How To Repair Stripped Plastic Gear

The Complete Guide to Screwdrivers

Our guide explains everything you need to know about screwdrivers and the different types bachelor.

Reviewed by Luqman Said Abdullah, Technical Back up Engineer (Jan 2022)

Screwdrivers are a type of paw tool used for the insertion and removal of screws. They are available in a multitude of variations to represent to the correct screw drive.

The drive or head of a screw has a shaped crenel and protrusion that fits the screwdriver tip. A turning force known as torque tin be practical in either a clockwise or counter-clockwise direction.

Screwdriver Uses and Applications

The screwdriver is one of the most essential hand tools in whatever tool kit. There are many situations and professions where a screwdriver is integral to carrying out a specific chore revolving around loosening or tightening fasteners.

Some of the most mutual uses of screwdrivers include:

• Electronics and electrical equipment

• Opening mobile phones

• Opening computers

• Mechanical and industrial production

• Woodworking and carpentry

• Metalwork and fastening wood to metal

• Flammable environments

It should also be noted that some specific types of screwdriver are best suited to certain applications. For example, the best electrician's screwdrivers will be insulated to protect the user. Conversely, Phillips screwdriver uses are more varied as these tools are suitable for a range of general-purpose applications.

Types of Screwdrivers

The dissimilar types of screwdrivers are typically determined past the drive tip shape which corresponds with the specific head type of a given screw. However, other screwdriver types are application-specific or are intended for particular industries.

Some of the nigh common types of screwdrivers are detailed in the sections beneath.

Phillips Screwdriver

Likewise known equally cross-head screwdrivers, Phillips screwdrivers are i of the most common types. Simply what is a Phillips head screwdriver? These tools are designed to fit screws with Phillips heads, which take a cross-shaped recess - hence the alternative proper name of cross screwdriver. They were invented to cope with higher torsion.

Torx or Star Screwdriver Known variously as star head screwdrivers, pointed screwdrivers, six-bespeak screwdrivers, and torx screwdrivers, these versions are all the same type. Torx is the trademark for a type of spiral head with a six-point star-shaped intrusion, hence the generic name star screwdriver. These exist to ensure even more torque tin can exist applied, in mechanical production, for instance.

Insulated Screwdrivers

Also known as safety screwdrivers, insulated screwdrivers are of import for taking safety precautions in potentially hazardous scenarios. They are synthetic from non-conductive materials such as rubber. VDE screwdrivers are also designed with safety in mind. VDE is an internationally-accredited institution that tests tools to certify that they meet the necessary rubber standards. These tools are ideal for electricians.

Torque Screwdrivers

Not to exist confused with Torx, a screwdriver with torque is similar to a torque wrench. Both are used to apply a specified torque which is meant to be only enough merely not likewise excessive. They are ideal for tightening screws sufficiently without breaking the material they are fastening and inversely tight enough so they do not fall out. A torquing screwdriver has a torque-limiting clutch that allows a limit on how much force is applied beyond a certain threshold.

Flathead Screwdriver

The slot or flat-headed screwdriver is probably the nigh common form of hand tool. Information technology has a flattened tip used for screws with a directly linear intrusion across the caput. Flat blade screwdrivers are multi-purpose and tin typically be used for a range of applications.

Tri-Wing Screwdriver

These are used for specific devices such equally consoles, mobile phones and cameras. They often feature quite small tips to enable use with smaller screws and components.

Pozidriv Screwdriver

Pozidriv screwdrivers are essentially an upgraded version of Philips. They were designed to reduce cam-out, which is the process where a screwdriver slips out of the screw head when more than torque is applied.

Hex Screwdriver

Allen keys or wrenches are more popular tools for loosening or tightening hex screws. However, hexagon screwdrivers be to serve the same purpose and hex-caput tools are often included in sets.

Foursquare Screwdriver

The square-headed screwdriver fits screws with a square-shaped recess. It was invented to reduce the cam-out event of the slotted screws and therefore speed up the fastening process.

Electric Screwdrivers and Impact Drivers

Electric or cordless screwdrivers are mostly meaty ability tools that are skilful for various tasks such as assembling furniture or screwing into softwood or other similar materials. Impact drivers, on the other hand, are essentially a more heavy-duty screwdriver type, intended for tasks like tightening or loosening fasteners using sudden strength to drive into or remove from harder, denser materials.

Precision Screwdrivers

These screwdrivers are used for very small devices where extremely small-scale screws are used. An example of this would be precision piece of work on watches and mobile phones.

Other Screwdriver Types

Triangle Screwdriver

Tools featuring a triangle screwdriver caput are less mutual, but they are ideal for sure applications. The triangular screwdriver head is benign as its design makes it more secure and tamper-proof than alternatives. These tools are often used with appliances, toys, and electronics.

Magnetic Screwdrivers

Screwdrivers with magnetic tips allow screws to be attracted by magnetic strength. This reduces the run a risk of accidentally dropping them. Magnetised tools are useful for working on electronics where screws are small-scale and tin can be easily dropped into hard-to-accomplish places.

Ratchet Screwdrivers

Ratcheting screwdrivers have a congenital-in mechanism that allows the application of strength just in one management while allowing free movement in the other direction. These hand tools function similarly to ratchet spanners.

Screwdriver Sizes

Screwdrivers come in many different sizes. As well as the standard large, medium and minor, at that place are also chubby screwdrivers that are ideal for use in tight or confined spaces. The tip width and the length of both the blade and the overall tool are normally measured in millimetres (mm).

Yous should note that some sorts and brands may offer different sizing options to others. For instance, there are four standard Phillips screwdriver sizes. These range from #0 to #four, where #0 is the smallest screwdriver.

Some tools can likewise be classified by torx size. This is shown by the letter T followed by a number - for case, T10 screwdrivers. It ranges from miniature screwdrivers right upwardly to T45 and beyond. This system can also be applied to screws, helping yous choose the corresponding screwdriver for a particular sized screw.

Parts of a Screwdriver

The 3 main parts that plant a screwdriver are every bit follows:

• Handle

• Shaft or shank

• Drive tip or bit

All three parts are made in a production process using machines to course the right shape of material using an extruder and heat-treating information technology to accomplish the desired tensile forcefulness.

Screwdriver Handle

Screwdriver handles are used for gripping and are mostly shaped to prevent rolling on flat surfaces. They tin can also exist ergonomically-designed to better comfort when gripping. The materials used in the manufacturing process have changed over time and there is now likewise more multifariousness for tools intended for employ in specific applications. Most commonly, the handles are ergonomic and made of a composite of difficult plastic such as cellulose acetate and rubber. They tin can also be covered in a not-skid, soft material like thermoplastic rubber to meliorate grip.

Shaft or Shank

The shaft or shank is ordinarily made of strong steel to ensure that bending or twisting deformation does not occur when applying forcefulness. The shaft will be rounded or hexagonal to allow a spanner or wrench to be used to utilise increased torque. The shaft is generally different colouration and material to the bulldoze tip which tin can be interchangeable.

Bulldoze Tip or Flake

The bulldoze tip can be an integrated part of the shank if it is not detachable. Alternatively, it tin be an interchangeable function known equally a driver - similar to drill bits. These are designed for use with multi-chip tools. The tip may too be known as the screwdriver head.

Screwdriver Brands

Sets of Screwdrivers

Screwdriver sets are highly useful when it comes to having a variety of pieces in one place. For example, there are precision screwdriver sets for fragile electronic work, equally well as more multi-purpose electrician screwdriver sets for professionals.

Sets typically contain a variety of tools in a range of sizes. Depending on the set, this could include multiple different types or varying sized versions of the aforementioned tool. A popular example of this is torx screwdriver sets. The all-time set of screwdrivers will ultimately depend on your requirements and then be certain to select the most suitable set for your task or industry.

FAQs

Can You Utilize a Magnetic Screwdriver on a Computer?

Aye - the magnet is generally not strong enough to cause damage to electrical components. Notwithstanding, y'all should be conscientious not to touch exposed circuitry nigh spiral holes on a motherboard or hard drive.

What are the All-time Screwdrivers?

Loftier-quality, good screwdrivers are available from a range of leading brands and manufacturers. However, the best screwdrivers will largely depend on your specific needs. For example, an electrician will have unlike requirements from a hobbyist.

What Materials are Screwdriver $.25 Made from?

Drive tips can be fabricated from a variety of metals and alloys, including:

• Titanium

• Stainless steel

• Tool grade steel or S2

• High-speed steel or HSS

• Chromium-vanadium-molybdenum or CVM tool steel

• Other non-sparking metals to reduce combustion risk

Each has its ain benefits and platonic applications.

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Source: https://uk.rs-online.com/web/generalDisplay.html?id=ideas-and-advice/screwdrivers-guide

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