Bit Hex Drivers | McMaster-Carr

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	For Drive Style For Drive Style


Hex	External Hex	Phillips

Slotted	Tamper- Resistant Hex	Torx

Square	Pozidriv®	Tamper- Resistant Torx

Drilled Spanner	Clutch	Torq- Set®

Tri- Wing®

	Driver Style Driver Style	Show

	Bit

	Driver Style Driver Style	Hide


Bit	Driver

T-Handle	L-Key

Shaft	Fold-Up

	Shank Type Shank Type

	System of Measurement System of Measurement

Inch

Metric

	Size Size

	Tip Style Tip Style


Standard	Ball

	Hex Shank Size Hex Shank Size

1/4"

5/16"

4mm

	Individual/Set Individual/Set

Individual

Set

	Overall Length Overall Length

1"-1 1/4"

1"-1 1/2"

1"-2"

1"-2 5/8"

1 1/4"-1 3/8"

1 3/8"-1 5/8"

1 5/8"-2 5/8"

1 5/8"-6"

	Material Material

Steel

Stainless Steel

	Container Type Container Type

	Number of Pieces Number of Pieces

100

	Fastener-Holding Mechanism Fastener-Holding Mechanism

Magnet

Retaining Ring

	For Screw Size For Screw Size

	Bolt Clearance Bolt Clearance

1/16"

1/16"-3/16"

1/16"-1/4"

1/16"-7/16"

3/16"-5/16"

	Maximum Access Angle Maximum Access Angle

20°

25°

	Overall Diameter Overall Diameter

5/16"-5/8"

7/16"-5/8"

	Screw-Holding Mechanism Screw-Holding Mechanism

Retaining Ring

	Finish Finish

Diamond Coated

	Bit-Holding Mechanism Bit-Holding Mechanism

Magnet

Retaining Ring

	Bit Material Bit Material

High-Speed Steel

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372 Products

Screwdriver Bits

Hex Bits

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

Hex Bits for Impact Drivers

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

Ball-End Hex Bits

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.

Ball-End Screw-Holding Hex Bits

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.

Screw-Holding Hex Bits

A retaining ring at the tip grips inside the recess to ensure screws won't slip off the bit.

Hex Bits for Stainless Steel Screws

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.

Tamper-Resistant Hex 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.

Nutdriver Bits

Fastener-Holding Nutdriver Bits

A magnet or retaining ring holds the nut in place.

Extra-Grip Fastener-Holding
Nutdriver Bits

Because they make contact on the flat sides of fasteners rather than only on the corners, these magnetic bits significantly reduce slipping and stripping. They’re also known as lobular bits.

Fastener-Holding Nutdriver
Bits for Impact Drivers

The toughest bits available, these withstand the shock and twisting force of impact drivers. A magnet holds the nut in place.

Nutdriver Bits

Turn hex nuts and cap screws.

Tight-Clearance Nutdriver Bits

The tapered tip can access nuts in narrow recessed holes.

Bit Sets

Hex Bit Sets

Ball-End Hex Bit Sets

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.

Ball-End Screw-Holding Hex Bit Sets

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.