How to make an impact screwdriver with your own hands? -

There is a humorous saying: “A screw driven in with a hammer holds tighter than a nail driven in with a screwdriver.” Many home craftsmen have tried to combine the impact force of a hammer and the torque of a screwdriver.

This usually ended in tool failure. Finally, the impact screwdriver was invented, in which the impact force is correctly converted into torque.

Actually, the principle of operation of an impact screwdriver is similar to the operation of a bolt. The mechanic holds the handle in one hand and strikes the end with a hammer with the other.

There are two main types of power screwdrivers that work on the chisel principle:

Percussion. This is a modified bolt. Only the main purpose, not working as a jackhammer - but still loosening and tightening screws.

A distinctive feature of the tool is that the blade of the screwdriver runs across the entire length, from the working slots to the heel of the handle. Moreover, it is monolithic; no joints or welding joints are allowed. Of course, only high-quality alloy steel is used to manufacture such tools.

To realize the full potential of the screwdriver, the tip is shaped like a hexagon. There may also be a square or hex key on the heel of the handle. Of course - he is one with the sting.

How to use an impact screwdriver? For greater efficiency, it is better to work together. The splined part is installed on a screw that can be unscrewed (tightened), a key is put on the hexagon, and at the same time, frequent short blows are applied to the rear part with a twisting force.

An assistant should use the hammer, being careful not to hit the hand of the main worker.

Soured screws recoil due to vibration and are easily unscrewed. However, this type of screwdriver cannot provide a direct conversion of impact force into torque. Tapping the handle with a hammer only helps to unscrew or tighten a “heavy” screw.

Firstly, there is a specialized tool for these purposes, more durable and massive. In addition, a real bolt has hand protection in the form of a rubberized fungus. If the hammer comes off the heel of the impact driver handle, you can seriously injure your hand.

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Secondly, when using a screwdriver as an impact tool, it will very soon be hopelessly damaged. And the cost of such equipment is much higher than a simple bolt.

There is also a simpler version of the impact screwdriver, familiar to you from Soviet times. The monolithic body with two wooden plates ensures reliable transmission of force to large screws. If you couldn’t resist and used a screwdriver as a chisel, you can always restore the splines using a file.

Impact-rotary. This rather complex mechanical tool combines two power components: a blow to the end part, in addition to direct impact, is converted into torque.

The operating principle is similar to an impact drill. The spline part, with a sufficiently strong turning force, is affected by vibration from tapping with a hammer.

This saves time and health. The likelihood that you will hit your own fingers tends to zero. The impact rotary screwdriver mechanism is located inside the handle.

It is a gimlet with a small angle of twist relative to the axis. Rather, it is a gear with oblique teeth. It is acted upon by a ratchet clip.

When striking the heel of the handle, the cage moves forward, and the gear rotates in the direction selected by the switch.

As a result, two forces are transmitted to the working nozzle - rotating and translational. They act synchronously.

The advantage of the design is the effective use of impact force and the versatility of the tool. The advantages include less force with which hammer blows are applied.

The disadvantage is that the structure is not monolithic, so the effort must be measured. The mechanical part is subject to wear.

And of course – the price. Such devices are quite expensive (we are not talking about Chinese and Polish disposable fakes).

Advantages of a homemade tool

The screwdriver is equipped with a reinforced body made of high-strength steel.
It is larger in size compared to factory screwdrivers;
Operation of the tool is safe for humans when struck correctly with a hammer. If you follow the safety rules, it is impossible to get injured with a screwdriver;
There is the possibility of changing attachments, based on the type of work being carried out;
Easily made at home without significant physical and financial costs;
Multifunctionality. Can be used for various tasks in the field of construction, automotive, and any other craft.

Making your own impact screwdriver

Many people try to make such a tool with their own hands, claiming that the upcoming action does not require special effort or skill. It is enough to take into account all the details of the instructions and avoid mistakes at the assembly stage.

When making a homemade screwdriver, you need to take the rotor from the electric motor and cut everything off it, leaving only the bushings and shaft. A piece of steel pipe should be placed on the sleeve to be used as a handle. At the opposite end, a nut is inserted into the scrap, which will prevent damage to the handle. At the next stage, all parts are connected to each other by welding.

Basically, making a high-performance impact driver at home is not as difficult as it may initially seem. If you doubt that you can carry out such an assembly yourself, simply study the existing instructions and watch video tips.

Universal key made from a regular key and bolt

Hi all! Today I will tell you how to make a universal wrench with your own hands from a regular open-end wrench. Everything is as simple as five cents, but at the same time very effective. In general, a homemade product is what you need!

Do-it-yourself universal homemade key

For this homemade product, we take a large open-end wrench - it can be old, rusty and unnecessary. In our case, this is a 30 key, but a larger one is possible. We clean it from rust using a grinder and a brush.

We clean the key with our own hands using an angle grinder

We take a regular bolt and screw a nut onto it. Then, approximately in the middle, we apply it to the working part of the key and make a mark in the place where the horn should be sawed off.

Marking the cutting location

We clamp the key in a vice and saw off the horn with a grinder according to the mark.

We saw off the key horn with our own hands

Now screw the second nut onto the bolt and weld them together

We weld the nuts together

Now we align the bolt with nuts so that the nuts are in place of the sawn horn. We grab it, unscrew the bolt and only then scald it in a circle.

Align the bolt and nuts evenly

For beauty, you can sand the welding area. Now we screw the bolt back in and our homemade product is ready!

Ready-made homemade product made by yourself

Now our homemade wrench can be adjusted to any nut and freely unscrew even rusted nuts and bolts.

We unscrew any nuts using a homemade universal wrench zen.yandex.ru/media/dimas09112/

Instructions for use

To successfully unscrew a rusted fastener, it is enough to treat it with a rag or a special product in time. Then the screwdriver is installed on the head of the hardware, preferably perpendicular to it. At the next stage, several blows are made with a hammer on the end of the screwdriver. The success of the upcoming event directly depends on the strength of the tool in the worker’s hand. To eliminate the possibility of your palm sliding along the handle, it is enough to wear a glove, which will significantly reduce the risk of serious hand injuries. If the fastener changes its direction angle relative to the axis, it is enough to make a few more intense blows, and then change the operating mode to tightening. In this case, you will effectively get rid of rust and significantly simplify the remaining work of unscrewing. If the fastener moves out of place, it can be removed using a regular screwdriver.

It is possible that after performing the above actions, the hardware will not change its direction and will remain in the same position. To solve the problem, simply treat the connecting fasteners with high-quality brake fluid, waiting about 30 minutes. Under the influence of such a “bath”, the upcoming dismantling will be as successful as possible, even if the fasteners are very rusty.

If this does not solve the issue, you will have to break out the fasteners. In this case, it is advisable to use a strong hammer and carefully follow the dismantling instructions.

To carry out dismantling work, you should use the following tools:

Universal key made of bolt and chain

Sometimes there is a need to make a wrench for a nut of a non-standard shape. The nut may be round and have no edges that can be grasped with an open-end wrench. Or, on the contrary, the nut may not have parallel edges - the nut is in the form of a triangle, and accordingly, such a nut also cannot be taken with a regular wrench, the main condition for working with which is that the nut or bolt has at least two parallel edges.

For such or similar cases, you need to make a universal key

Let's not go into the wilds and make a key from scrap materials, without involving welding and cutting work. True, you will still have to drill.

We buy an M10 bolt 150 - 200 mm long from the store. A sufficiently long bolt is needed so that the leverage on the nut is large, this will make the work easier. The bolt will serve as the handle of the key.

Using a drill with a diameter of 3 mm, we drill a through hole at the end of the bolt (5 mm away from the edge). We will insert an M3 Bolt into this hole; it should pass through the entire hole of the bolt and protrude from the opposite side by 20 - 30 mm.

But we don’t just insert a thin bolt into the hole of a thick bolt, but first we string a chain link onto it, which is the outermost link of a long chain. Then we insert the bolt into the hole and screw the nut onto it. This way we tighten the chain to the bolt.

Actually, with this the universal key can be considered done

You need to operate the wrench as follows: place a chain loop over the nut or bolt head, hook the free chain link (the one closest to the nut) onto the protruding short bolt. Straighten the remaining chain along the bolt - the handle.

You start to rotate the key, the chain tightens, compresses the nut, and the nut unscrews.

Hi all. Today I’ll tell you how to make a switch key yourself.

To begin with, we need such a blank, which we will continue to work with.

We clamp the workpiece and cut it with a grinder, initially giving it an approximate appearance, so that there is less work with a file)

The size of the edge where the key will be hidden was 11 mm, and the width of the key blank in the right place was 11.8 mm. Use a file to remove 4mm from each side.

We make a border on the workpiece in order to lock it in the keychain.

Then we insert a nail from the end of the keychain fastening element and rivet it into the keychain. The result is that the key is hidden and thrown away, and it’s even more decent with such a key. Of course, it’s all a matter of taste and practicality, but homemade homemade products make me very happy. Leave reviews, subscribe and don't be afraid to try something yourself.

How to use an impact screwdriver

To make the unscrewing process as simple and high-quality as possible, it is enough to avoid irreparable mistakes and follow a number of separate rules:

The fastener is pre-prepared for unscrewing, so it is cleaned of visible rust and wiped with a rag. The joint is then coated with a special chemical, such as WD-40, a highly effective cleaner. Brake fluid and kerosene perform well.
Next, you need to fix the tip in the slot, maintaining strictly perpendicular placement relative to the screw head.
Then you should hit the end of the handle with a hammer with approximately medium force.
The blows are repeated until the screw head begins to move relative to the axis. Try to check the propeller's progress after each blow.
Unscrewing is completed using a regular screwdriver.

If the tool is equipped with reverse , many experts recommend setting the tightening mode after each movement of the head, repeating the blows several times, and then unscrewing the hardware again. This is explained by the fact that with this approach, rust elements are removed from the threads particularly well.

To avoid trouble, it is recommended to follow safety precautions:

It is important to first put on good work gloves or gloves on your hands, which will prevent the handle from accidentally sliding during processing.
Don't put too much effort into your punches. You can get by with a regular hammer weighing up to 500 grams.
The strikes should remain light. Do not tilt the hammer, as the hammer can easily slide off the screwdriver, which will cause additional problems.

How to make a universal wrench 13-27 from a 27 open-end wrench

With this wrench you will be able to unscrew bolts and nuts from M13 to M27, which, of course, are not stuck and completely rusted, but for this there is another tool, and this is a universal one. When choosing a wrench, do not choose the cheapest one, because... its structure is not uniform and it itself is too thin. We will need: Open-end wrench 27, drill, screw, grinder and hands.

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1. Mark the future location of the cut; we need exactly the part that comes into contact with the bolt/nut. We saw off with a grinder and use it to cut off and sand the excess. On the workpiece we mark the edge of the horn; it will need to be cut off and the place for the hole.

After we have drilled the hole, we cut a slot with a grinder, our handle will be inserted into it. We mark the handle and saw off the excess. We drill a hole for the screw and grind it evenly on both sides so that the handle fits into the slot cut with a grinder.

We fasten the parts with a screw and cut off the excess part of the thread so that it does not cling and interfere.

Ready.

How else can you treat the device?

Use gasoline or kerosene, diesel fuel.
An acid with low aggressiveness. Vinegar will do
Coca-Cola helps break down scale in the kettle. Why not try using a drink to neutralize rust.

These substances have high penetrating characteristics. Coca-Cola contains phosphoric acid, which is credited with cleansing properties. If possible, the part with stuck hardware is completely buried in one of the listed liquids. Although in some cases it is enough to wrap the bolt head moistened with liquid. The waiting time before further work with an impact screwdriver is a day.

As you understand, the option of unscrewing a rusted bolt with acid is not as safe as in the case of Coca-Cola. If the fastener is located next to a soft material, for example, near a rubber gasket, you should avoid acid.

Principle of operation

According to its principle, the operation of the tool is quite simple and there are no difficulties when using it. After hitting the end surface with a hammer, the element rotates on the bottom of the screwdriver. This rotating force is quite enough to dismantle strong fasteners.

To simplify the work process, you can pre-lubricate the fasteners with brake fluid. After this, you need to install the tool at a right angle to the head of the hardware and use a hammer to strike the end of the screwdriver. After noticeable rotation of the fasteners, you can continue unscrewing using a regular screwdriver.

Using the tool and how to use it correctly

Before using the device, it is necessary to pre-treat the fastening joint with brake fluid, solvent or WD-40. These liquids corrode rust, so their use will not only make the unscrewing process easier, but also speed it up.

After this, a percussion instrument is taken, into which a bit of the required type and diameter is installed. The tool should be positioned exclusively parallel to the leg of the hardware. Light blows are made with a hammer on the end of the device, holding it in one hand, and holding the device by the handle with the other.

Operation of the device

To increase the effectiveness of your actions, you need to hold the tool tightly. As soon as the fastening of the hardware begins to loosen, continue striking the tool until the hardware is unscrewed with a regular screwdriver.

The effectiveness of the work performed also depends on the quality of the tool. Cheap options are aimed only at unscrewing small hardware products, so when choosing, be sure to focus on which fasteners you plan to unscrew.

When working with a tool, it is important to follow the safety rules:

Work is performed with gloves
Using a hammer weighing up to 0.5 kg
The blows are applied easily, as this is enough to set the hardware product in motion. If you miss and the blow lands on a finger or hand, the master will receive a minor injury

Features and principle of operation

The impact screwdriver was popular back in the days of the Soviet Union. At that time, it was made in the simplest form with the presence of a monolithic core. After some time, this device underwent a slight modification, and screwdrivers of this type began to be equipped with a hexagon near the tip, and in some models it was installed on the handle. That is why power screwdrivers have the ability to transmit rotational force from the key. To carry out successful work with the described device, it was necessary to use a double workforce. In simple terms, one master supported the sting and at the same moment created rotation using pliers, and the second made superficial blows with a heavy object.

In the modern world, a name such as an impact screwdriver implies a modified device that can unscrew any bolts. Classic models from the past have lost public interest and are no longer in demand. In current modifications, the impact-rotating unit is located in the handle, the sting is mounted on the gear. The movement of the device begins under the influence of a heavy object. The clip moves along the specified axis, due to which the fasteners shift by a couple of degrees. This distance is enough for the connection to loosen, after which the bolts are unscrewed. The return of the impact unit to its original position occurs due to a special spring located in the structure. Only one manpower is needed to operate this model of power screwdriver.

DIY impact screwdriver from starter

To create this simple tool at home, you can use a faulty electric starter from a car, which is not difficult to find today.

First of all, we need to cut off the part of the rotor shaft where the winding mount is located.

We remove unnecessary elements from the remaining part so that only the shaft and bushing remain, which we will use as the main mechanism.

We can use a small piece of pipe as a handle, into which we must place a sleeve on one side. And on the other we need to insert a plug, which will also serve as a striking heel. We use a large bolt as it; it will prevent the tube from deforming during impacts and will limit the displacement of the shaft inside our bushing.

The next step is welding all the parts.

Finally, the end of the shaft must be sharpened square for possible change of different attachments. So, to unscrew a screw or nut, it will be enough to insert the necessary bit and dismantle the fastener. If you need to unscrew a screw, you must insert the appropriate bit into the head.

It is worth noting that the electric starter is made of high-quality steel, so you will have to use a grinder to cut it. But thanks to its strength and carbide, the tool will be quite powerful and durable, and in some respects it will surpass even factory products. Periodic lubrication of the splines will help increase the service life of such a tool. However, you should use it carefully, without applying strong blows, so as not to tear off the heads of the screws or bolts.

Of course, the resulting product will be less presentable than a factory screwdriver, but its cost will be minimal and in terms of reliability it will be in no way inferior to its factory counterpart.

How to make a small screwdriver quickly and efficiently

When you don’t have a screwdriver at hand, but have a bit from a screwdriver, you can make a screwdriver yourself. How to make it? In this article I will tell you and show you how to assemble an excellent screwdriver from scrap materials in a few minutes.

The big advantage of such a screwdriver is that without having a long handle, it can get into small or narrow places. It is with its compact shape that it is able to tighten any bolt.

When repairing a car, a problem often arises with unscrewing/twisting both bolts and screws into hard-to-reach places.

I have a problem with the exhaust pipe twisting. You can’t get to it with a long screwdriver, or rather, no screwdriver is available that I wouldn’t take. Therefore, I had to look for alternative ways to solve my current situation.

I took the bit from my screwdriver and decided to use it instead of a screwdriver. Unfortunately, she was unable to turn it. Fingers slip with any influence on it.

We make a screwdriver with our own hands from what we have!

Necessary elements for our homemade screwdriver:

Bit - 2 pcs.;
Large washers - 2 pcs.;
Bolt with nut - 1 pc.

Assembling the screwdriver is the simplest. Let's get started!

You may have a question: “Why use 2 bits?”

I answer: “This is necessary for fastening. The washers will fit tightly both on the working bit and on the bit that will be in the form of an equalizer side. If we leave only one working bit, then after we tighten the bolt, the washers will adhere more strongly to the side in which there are no parts, and the opposite side will expand. And the kind of fastening we need will not be created.

The following steps should be followed:

Step 1: Assembling a homemade screwdriver

Impact screwdriver and invaluable tool benefits

Corrosion is one of the most unfavorable consequences to which all metal materials, including fasteners, are susceptible. Often in the process of unscrewing bolts, screws or screws, you have to face the fact that these elements simply cannot be moved from their place. In order not to damage the tool used to unscrew the fastener, you need to choose the appropriate approach. A regular screwdriver is not able to deal with rusted or stuck joints, so the only option left is to use an impact screwdriver.

What is an impact screwdriver

There are practically no visual similarities between an impact screwdriver and a standard one. This tool is a rotating impact mechanism that allows you to convert impact force into torque. It is used to install and dismantle threaded connections that require additional effort. Using a regular screwdriver for these purposes will lead to breakage of the tool or damage to the element being dismantled.

According to its operating principle, an impact screwdriver is similar to a bolt. During the work, the mechanic has to hold the handle of the screwdriver with one hand, while with the other he hits its end with a hammer.

Advantages and disadvantages of the tool

Like any tool, such a screwdriver has its advantages and disadvantages . Working with it, experts note a number of key advantages:

Effective distribution of impact energy.
Much less need for physical effort. The classic version requires stronger and more intense blows.
Possibility of operation without the help of a partner.

As for the disadvantages, they are practically absent, however, if the basic rules are not followed during operation, such disadvantages often appear:

Possibility of damage to the impact-rotating unit. The version of the simplest impact screwdriver is made of a monolithic structure, so its service life exceeds the modernized solution. To prevent unexpected damage, it is enough to avoid too strong impacts on the impact-rotating mechanism.
Tendency to wear out quickly. Gear teeth and races are very exposed to friction associated with shock loads. With prolonged use, their service life deteriorates significantly.

Using the tool at work

Before starting work, you need to clean the screw head as much as possible and especially the slot into which the working attachment is inserted. To do this, you can use a brush with metal bristles. Then apply a drop of brake fluid to the head to wet out the rust. You can also use:

universal aerosol lubricant WD-40 or any equivalent;
antifreeze;
kerosene;
any machine oil.

READ How to Change Brushes on a Makita Rotary Hammer

After applying to the joint, you need to give the lubricant a little time so that it penetrates into the loose structure of the rust.

Next, you should select the desired attachment for the tool, trying it on the slot. As a rule, the kit of such equipment includes the necessary set of various bits and attachments. It is important to correctly insert the desired nozzle into the head of the rotating mechanism - screw the cartridge with the nozzle into the slot as tightly as possible. Now you need to make several light blows with a hammer on the heel of the striker, while holding the power screwdriver so that its axis coincides with the axis of the fastener being unscrewed.

If the screw moves out of place, switch the device to reverse rotation and again make a few gentle blows. You can repeat this operation several times, periodically adding a little lubricant to loosen new layers of rust. Then you can use a screwdriver or hand tool to completely unscrew the hardware.

Unfortunately, even such a breaker screwdriver does not always help. The mating parts are sometimes so affected by corrosion that when you try to unscrew the screw or screw, it simply bursts. In this case, the only way to remove it is drilling.

DIY impact screwdriver: how to make a tool from a starter

An impact screwdriver is a fairly popular tool that is used not only by professional builders, but also by amateur craftsmen for home projects. It is indispensable for unscrewing tightly “welded” screws.

READ Do-It-Yourself Repair of Chainsaw Husqvarna 137

Regular screwdrivers are useless in such cases, but impact screwdrivers allow you to combine the force of a hammer and torque in one tool. So how can you make your own impact driver using a car starter?

Conclusion

As we can see, impact screwdrivers have a fairly simple operating principle. These are useful and necessary tools that should be in every master’s tool kit, so that if necessary, you can always unscrew rusted bolts. which will easily help you unscrew even the oldest bolts. If you decide to make an impact screwdriver with your own hands, you can be completely confident in the quality of the product, which is in no way inferior to specialized factory models.

Differences between a screwdriver and an impact driver

Many people mistakenly think that an impact driver is a good alternative for a screwdriver, but this is deeply misleading. Both devices differ significantly from each other not only in design properties, but also in their operating principle. The screwdriver transmits impact force in a plane perpendicular to the axis of rotation. By the way, this distinguishes it from an impact drill, which is capable of creating shock loads along the axis of rotation. True, a screwdriver only facilitates the process of unscrewing and tightening an already rotating screw.

The functionality of such devices is completely different:

Impact screwdrivers perform the initial “breaking” of a screw that has become too “stuck” to the connection.
An impact-type screwdriver reduces the required pressure on the tool when performing the task.

After studying all the features of the tool, be sure to watch the corresponding training videos that will allow you to decide on a specific model from a specific manufacturer. In this case, you will be able to make the right decision and purchase a truly useful and reliable tool that will serve you for a very long time.

Useful tips

Quite often there is a need to unscrew heavily rusted fasteners. What to do in situations when a standard household tool cannot cope with the task? What to do in this situation, because household tools do not cope well with this task. A good solution for this is to use an impact screwdriver. Thanks to it, unscrewing rusted parts will not be difficult. It is enough to wet the fasteners with brake fluid so that when dismantling the part can be unscrewed as easily as possible.

However, in some situations this does not help. There is no need to panic. Try lubricating the bolt with brake fluid again and leaving it for a while. The liquid will corrode the stagnant texture and you can do everything without significant effort using a percussion tool.

What materials are impact screwdriver handles made from?

The handle of an impact driver serves both as a handle and as a housing for the mechanism. In addition to structural strength (it is necessary to hold the mechanical part), the handle also serves as protection for the master’s hands.

Steel body-handles.

This tool is classified as professional. The durable steel housing also serves as a housing for the rotation mechanism. The absence of extra layers on the handle allows you to place the screwdriver in hard-to-reach places. The one-piece design provides precise force dosing and excellent process control.

Such tools are usually supplied in the form of sets with various attachments. All the same, the design is not monolithic, and therefore it can be supplemented with a universal cartridge for standard bits.

Only when purchasing additional attachments should you remember the increased loads and not skimp on quality.

Component handles

The body of the screwdriver mechanism is covered with a rubberized shell. The material can be different - polyurethane, rigid polyethylene. The main thing is to ensure shock damping and a firm grip in the hand. In the heel part of the handle, a ridge in the form of a fungus is usually made. As with a bolt, this provides additional protection for the hand in case of an inaccurate hit with a hammer.

The soft handle cannot be part of the mechanism, the load is too great. Therefore, the issue of the size of the power unit (and therefore the safety margin) arises acutely. If the mechanical part is left powerful and large, as in products with a steel handle, the overall dimensions of the screwdriver will not allow working in cramped conditions.

Reducing the size reduces the strength of the tool, but makes it more convenient.

You can always choose an option that meets your needs.

Specifications

If you are going to purchase a screwdriver in a store, be prepared to understand the key technical characteristics and equipment of a particular model.

When reviewing these characteristics, it is not necessary to talk about the build quality and reliability of the material from which the tool is made. Trusted companies never use low-quality steel to produce such products.

You should pay attention to the presence of a reverse, which significantly expands the basic capabilities of the device, allowing you not only to unscrew rusty connections, but also to firmly tighten the screw in the place where it is needed.

The next important factor is represented by the design of the handle, which is intended to hold the device and the body. If there is a polyurethane, rubber or polyethylene lining on the body, it is much more convenient to hold the screwdriver. If the pad has a “bulge” in the heel part, this has a positive effect on operational safety. In most cases, screwdriver manufacturers follow two paths:

The dimensions of the case do not change, while the screwdriver remains highly reliable, but cannot be used in extreme and cramped conditions.
To expand the scope of application and improve ease of use, the dimensions of the metal case are reduced, although the reliability of the tool suffers because of this. When choosing the ideal solution, you should carefully weigh all the features and only then make a purchase.

It is no secret that popular brands produce screwdrivers along with an additional set of attachments, because without these elements the tool is simply ineffective. The screwdriver comes with a holder for standard bits, and the kit also includes several universal bits.

The market for such products is overflowing with attachments for various splines and hexagons. When purchasing these parts, be careful and consider the build quality. This is a very important parameter that determines the reliability of operation and service life of the screwdriver.