Turn fasteners from either end and reach into tight spots.

When a standard-tip key can't make good contact with the recess, a ball end allows angled entry to turn screws in hard-to-reach places.

The extra-short leg of these keys fits in tight spaces other tools can't and the long-leg ball end allows angled entry to turn screws in hard-to-reach areas.

These assorted keys have a ball end that allows angled entry to turn screws in hard-to-reach areas. The bright finish makes them easy to see and less likely to be misplaced.

All of the keys in these sets have an extra-short leg to fit into tight spots and a ball end to turn screws at an angle in hard-to-reach places. Their bright chrome-plated finish makes them easy to see, reducing the chance you’ll lose them.

These assorted keys have a bright finish that's easy to see, so they’re less likely to be misplaced. They turn fasteners from either end and reach into tight spots.

Sets include assorted keys with each size a different color for easy identification. When a standard-tip key can't make good contact with the recess, a ball end allows angled entry to turn screws in hard-to-reach places.

These assorted keys have a detent that grips inside the recess to ensure screws won’t fall off. The ball end allows angled entry to drive fasteners in hard-to-reach areas.

These assorted keys have a retaining ring at the tip that grips inside the recess to ensure screws won’t fall off.

The assorted tools in these sets have a flexible joint that provides access to fasteners in hard-to-reach areas.

When a standard-tip key can't make good contact with the recess, a ball end allows angled entry to turn screws in hard-to-reach places. These keys have a zinc coating that resists salt-spray exposure.

Sets include an assortment of stainless steel keys with a ball end that allows angled entry to turn screws in hard-to-reach areas. Use a stainless steel L-key to protect your stainless steel screws. If steel flakes off a standard tool and into the recess, it can lead to rust and contamination. These keys eliminate that risk.

Protect your stainless steel screws by using a stainless steel L-key. If steel flakes off a standard tool and into the recess, it can lead to rust and contamination. These keys eliminate that risk.

These assorted keys are made of beryllium copper that is FM approved. They help meet OSHA requirements that specify nonsparking tools for locations where flammable vapors and combustible residues are present. Keys turn fasteners from either end and reach into tight spots.

The slots in these low-profile organizers are a different color than the base, so it's clear when tools are missing from your bench top or drawer. Made of polyethylene foam that resists solvents and petroleum products, organizers are designed to store L-key sets of specific sizes.

Often used to install carbide inserts in cutting tools, these keys have a small handle that prevents you from generating too much torque when turning a fastener.

The T-handle provides a good grip for your whole hand and the long shaft reaches into tight spots.

When working in tight spaces, these short keys fit where others can't.

When a standard-tip key can't make good contact with the recess, a ball end allows angled entry to turn screws in hard-to-reach places.

The textured grip provides comfort, slip resistance, and maximum torque. These keys have a long shaft for reaching into tight spots to turn fasteners.

When a standard-tip key can't make good contact with the recess, a ball end allows angled entry to turn screws in hard-to-reach places. These keys have a textured grip that provides comfort, slip resistance, and maximum torque.

With a simple loop handle, these keys are the economical choice. They have a long shaft for reaching into tight spots and the T-handle provides a good grip for your whole hand when turning fasteners.

The long shaft has a ball end for angled entry to turn screws in hard-to-reach areas. The short shaft provides additional torque.

The assorted keys in these sets have a long shaft for more reach and a short shaft for more torque when turning fasteners.

The extra-long shaft lets you access fasteners in deep recesses. To change tips, use a hex key to loosen the set screw.

The ball-end tip has a retaining ring that grips inside the recess to hold screws in place and allows angled entry to turn fasteners in hard-to-reach areas.

Protect your stainless steel screws by using a stainless steel key. If steel flakes off a standard tool and into the recess, it can lead to rust and contamination. These keys eliminate that risk.

Sets include an assortment of keys with a long shaft for more reach and a short shaft for more torque. Use stainless steel keys to protect your stainless steel screws. If steel flakes off a standard tool and into the recess, it can lead to rust and contamination. These keys eliminate that risk.

A retaining ring on the tip grips inside the recess to hold screws in place. Often used to install carbide inserts in cutting tools, these keys have a small T-handle that prevents you from generating too much torque when turning a fastener.

The assorted keys in these sets have a small T-handle that prevents you from generating too much torque when turning a fastener. They are often used to install carbide inserts in cutting tools.

An insulated handle and shaft protect against shock from accidental contact with live electrical circuits. These tools are tested to 1,000 volts to meet IEC and ASTM standards. They have a long shaft that reaches into tight spots to turn fasteners.

Strong and durable, these multipurpose bits are for use with bit screwdrivers.

When you don't have exact alignment between the fastener and the tool, the ball end allows angled entry to turn screws in hard-to-reach areas.

When you don't have exact alignment between the fastener and the bit, the ball end allows angled entry to turn screws in hard-to-reach areas. A retaining ring grips inside the recess to hold screws in place.

Strong and durable, these multipurpose bits are often used with power tools to install sheet metal screws.

Less likely to crack or shatter under high torque than standard bits, these are often used with power tools to install machine screws.

The slightly tapered tip wedges into the screw recess for a secure hold. Also known as Torx-Align bits.

Bits have a different size at each end.

The toughest bits available, these withstand the shock and twisting force of impact drivers.

A wide tip makes good contact in shallow and coated screw recesses, such as those filled with paint.

Protect your stainless steel screws by using a stainless steel bit. If steel flakes off a standard bit and into the recess, it can lead to rust and contamination. These bits eliminate that risk.

An exterior stop collar prevents fasteners from being driven too deep. Use with soft material such as drywall, wood, and fiberboard.

Remove screws in hard-to-reach places. A spring-loaded sleeve guides bits onto the screw head and keeps them from slipping out.

Less likely to crack or shatter under high torque than standard bits, these are often used with power tools to install machine screws.

Remove screws in hard-to-reach places. A spring-loaded sleeve guides bits onto the screw head and keeps them from slipping out.

Protect your stainless steel screws by using a stainless steel bit. If steel flakes off a standard bit and into the recess, it can lead to rust and contamination. These bits eliminate that risk.

Bits have a different size at each end. An opening at the tips accommodates the pin in the recess of tamper-resistant Torx screws. These are also known as pin-in-Torx bits.

An opening at the tip accommodates the pin in the recess of tamper-resistant pentalobe and tamper-resistant Torx Plus screws.

The toughest bits available, these withstand the shock and twisting force of impact drivers. Designed for screws with a square recess in the head, they are also known as Robertson bits.

An exterior stop collar prevents fasteners from being driven too deep. Use with soft materials such as drywall, wood, and fiberboard.

The six rounded points fit the star-shaped recess of Torx-Plus screws. These bits have a similar profile to Torx but are not recommended for use with standard Torx screws.

These are also known as TP3® bits.

These bits have an offset cross shape. They’re also known as ACR® bits.

The toughest bits available, these withstand the shock and twisting force of impact drivers.

Grip the indentations on the head of tri-groove fasteners.

Turn screws that have the tamper-resistant asymmetrical drive exclusive to McMaster-Carr.

Turn two drive styles with one reversible bit. Remove and replace to change the tip.

The tip is shaped like an eight-pointed star.

While screws with a Square/Phillips combination drive can be turned with either a Square or Phillips bit, these make the best contact so you can apply high torque without slipping and stripping the recess. They are also known as Quadrex bits.

A retaining ring grips inside the recess to hold screws in place. These bits have a ball end that allows angled entry to drive screws in hard-to-reach areas.

When you don't have exact alignment between the fastener and the tool, the ball end allows angled entry to turn screws in hard-to-reach areas.

The toughest bits available, these withstand the shock and twisting force of impact drivers.

The knurled shank on these bits allows finger tightening. They can also be used with the included screwdriver.

The slightly tapered tip wedges into the screw recess for a secure hold. These are also known as Torx-Align bits.

An opening at the tip accommodates the pin in the recess of tamper-resistant hex screws. These are also known as pin-in-hex or pin-in-socket bits.

A three-winged tip fits triangular slotted screw recesses.

The six rounded points fit the star-shaped recess of Torx-Plus screws. These bits have a similar profile to Torx but are not recommended for use with standard Torx screws.

Ribs forged into the wings of these bits grip the screw recess to reduce stripping. They're also known as ACR® bits.

Also known as Robertson bits these are designed for screws with a square recess in the head.

These bits have an offset cross shape.

Store a variety of sizes and styles of bits and adapters in one compact tray.

Mount the magnetic base to walls, cabinets, and other steel surfaces.

When you don't have exact alignment between the fastener and the tool, the ball end allows angled entry to turn screws in hard-to-reach areas.

These screwdrivers have a soft, contoured handle that provides comfort and the best possible grip for achieving maximum torque.

A scaled-down version of standard screwdrivers, these tools are shorter, slimmer, and easy to take with you.

The assorted drivers in these sets have a holding mechanism at the tip that ensures the screw won’t slip off.

A ratchet mechanism allows you to drive fasteners when there's little space to move the handle.

When working in tight spaces, these short drivers fit where others can't. Bits have a different tip at each end and snap into the shaft, which is also a nutdriver.

The ball-end tip allows angled entry to turn screws in hard-to-reach areas. These tools are a scaled-down version of standard changeable-shaft screwdrivers, They're shorter, slimmer, and easy to take with you. Remove and replace the shaft to change the tip size.

Mount the magnetic backing to walls, cabinets, and other steel surfaces. Magnetic slots secure your screwdrivers.

The slots in these low-profile organizers are a different color than the base so it's clear when tools are missing.

Sets include an assortment of drivers with a rotating end cap on the handle that allows you to apply constant pressure with your palm while turning the body of the screwdriver with your fingertips.

When you don't have exact alignment between the fastener and the tool, the ball end allows angled entry to turn screws in hard-to-reach areas. Press the rotating end cap on the handle with your palm to apply constant pressure while turning the body of the screwdriver with your fingertips.

The tip can be replaced when it becomes worn. These tools have a rotating end cap on the handle that allows you to apply constant pressure with your palm while turning the body of the driver with your fingertips.

The handle on these assorted ESD-safe screwdrivers drains static away from your application, preventing buildup from electrostatic discharge (ESD) that can damage sensitive equipment. Press the rotating end cap on the handle to apply constant pressure with your palm while turning the body of the screwdriver with your fingertips.

Keep a set of keys neatly in your tool box or pocket to turn multiple fastener sizes.

When a straight-end key can't make good contact with the recess, a ball end allows angled entry to turn screws in hard-to-reach places.

Create your own tool by attaching these shafts to a handle, or use with socket wrenches and power tools. They have a ball end that allows angled entry to make good contact with the recess when a standard-tip shaft can’t.

These sets include an adjustable torque driver, bits for different drive styles, and a socket adapter.

Extra-long bits allow access to hard-to-reach fasteners.

Tighten and loosen fasteners at an angle by pivoting the head on these sockets.

The ball end allows angled entry when you don't have exact alignment between the socket bit and fastener.