Screw Grippers | McMaster-Carr

	For Drive Style For Drive Style


Slotted	Phillips	Hex

Torx	External Hex	Square

	Driver Style Driver Style


Driver	Bit

L-Key	T-Handle

	System of Measurement System of Measurement

Inch

Metric

	Size Size

	Individual/Set Individual/Set

Individual

Set

	Overall Length Overall Length

	Tip Style Tip Style


Standard	Ball

	For Screw Size For Screw Size

	Shank Type Shank Type

	Quick- Change Hex
	Hex

	Screw-Holding Mechanism Screw-Holding Mechanism

	Grip Style Grip Style

	Material Material

Steel

Aluminum

Stainless Steel

	Finish Finish

	Handle Material Handle Material

	DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense Acquisition Regulations Supplement)

DFARS Specialty Metals
COTS-Exempt

	Hex Shank Size Hex Shank Size

1/4"

5/16"

	REACH (Registration, Evaluation, Authorization and Restriction of Chemicals) REACH (Registration, Evaluation, Authorization and Restriction of Chemicals)

REACH Compliant

	Number of Pieces Number of Pieces

	RoHS (Restriction of Hazardous Substances) RoHS (Restriction of Hazardous Substances)

RoHS Compliant

	Fastener-Holding Mechanism Fastener-Holding Mechanism

Magnet

Retaining Ring

Jaws

	Maximum Access Angle Maximum Access Angle

20°

25°

	Shaft Length Shaft Length

	For Bit Shank Type For Bit Shank Type

	Hex
	Hex for Power Tools
	Half Moon
	HIOS

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274 Products

Screw Starters

Tight-Clearance Screw Starter Sets

These assorted screw starters have a slim body that reaches into tight spots to grip and turn screws that are hard to reach or too small to hold by hand.

Tight-Clearance Screw Starters

The slim body reaches into tight spots to grip and turn screws that are hard to reach or too small to hold by hand.

Screw Starters

Grip and turn screws that are too small to hold by hand or located in hard-to-reach spots.

Screw Starter Sets

Sets include an assortment of screw starters for gripping and turning screws that are too small to hold by hand or located in hard-to-reach spots.

Nut Starters

Start and initially turn nuts. These tools are not intended for final tightening or removal of fasteners.

Electrical-Insulating Screw Starters

An insulated handle and body protect against shock from accidental contact with live electrical circuits. These tools are tested to 1,000 volts to meet IEC 60900. They grip and turn screws that are too small to hold by hand or located in hard-to-reach spots.

Screwdrivers

Screw-Holding Screwdriver Sets

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

Screw-Holding Screwdrivers

A holding mechanism at the tip of the tool ensures the screw won’t slip off.

Electrical-Insulating Screwdriver Sets

Sets include assorted drivers with an insulated handle and shaft that protect against shock from accidental contact with live electrical circuits. They are tested to 1,000 volts to meet IEC, EN, or ASTM standards.

Secure-Hold Bit Screwdrivers

Lock the bit into the chuck to prevent accidental disengagement.

Pass-Through Fastener-Holding Nutdrivers

The shaft and handle are drilled all the way through for turning nuts on any length of threaded rod. These drivers have a magnet in the tip to hold nuts in place.

Pass-Through Fastener-Holding Nutdriver Sets

Sets include an assortment of drivers that are drilled all the way through the shaft and handle for turning nuts on any length of threaded rod. They have a magnet in the tip to hold nuts in place.

Fastener-Holding Nutdrivers

A magnet in the tip holds nuts in place.

Screwdriver Bits and Adapters

Screw-Holding Torx Bit Sets

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

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.

Fastener-Holding Nutdriver Bit Sets

A magnet holds the nut in place.

Fastener-Holding Nutdriver Bits

A magnet or retaining ring holds the nut in place.

Screw-Holding Torx Bits

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

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.

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.

Secure-Hold Bit Adapters

Lock your bit into the adapter to prevent accidental disengagement. These adapters hold hex-shank bits (also known as insert bits) in powered tools.

Secure-Hold Bit Adapters for Ratchet Wrenches

Lock your bit into the adapter to prevent accidental disengagement. These adapters attach to square-drive tools.

Screw-Holding Bit Adapters

A magnetic ring at the end of the adapter holds flat-head screws in place to ensure good contact between the bit and screw. Use these adapters to hold hex-shank bits (also known as insert bits) in powered tools.

Screw-Holding Precise-Control Screwdrivers

Magnetic Screw-Holding
Precise-Control Screwdriver Sets

A magnetized tip holds the screw in place. 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.

Screw-Holding Precise-Control Screwdrivers

Push the handle's end cap to open the jaws at the tip; release to close around the screw. The end cap rotates, allowing you to apply constant pressure with your palm while turning the body of the screwdriver with your fingertips.

Screw-Holding L-Keys

A retaining ring at the tip grips inside the recess to ensure screws won’t fall off.

Screw-Holding L-Key Sets

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

Ball-End Screw-Holding L-Key Sets

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.

Ball-End Screw-Holding L-Keys

The ball end has a detent to grip inside the screw recess and allows angled entry to turn fasteners in hard-to-reach areas.

T-Handle Keys

Screw-Holding Torque-Control Wing-Handle Keys

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.

Screw-Holding Torque-Control Wing-Handle Key Sets

These assorted keys have a retaining ring on the tip that 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.

Screw-Holding T-Handle Keys

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.

Screw-Holding T-Handle Key Sets

These assorted keys have a ball-end tip with 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.

Screw Starters

Tight-Clearance Screw Starter Sets

Tight-Clearance Screw Starters

Screw Starters

Screw Starter Sets

Nut Starters

Electrical-Insulating Screw Starters

Screwdrivers

Screw-Holding Screwdriver Sets

Screw-Holding Screwdrivers

Electrical-Insulating Screwdriver Sets

Secure-Hold Bit Screwdrivers

Pass-Through Fastener-Holding Nutdrivers

Pass-Through Fastener-Holding Nutdriver Sets

Fastener-Holding Nutdrivers

Screwdriver Bits and Adapters

Screw-Holding Torx Bit Sets

Ball-End Screw-Holding Hex Bit Sets

Fastener-Holding Nutdriver Bit Sets

Fastener-Holding Nutdriver Bits

Screw-Holding Torx Bits

Fastener-Holding Nutdriver Bits for Impact Drivers

Extra-Grip Fastener-Holding Nutdriver Bits

Ball-End Screw-Holding Hex Bits

Screw-Holding Hex Bits

Secure-Hold Bit Adapters

Secure-Hold Bit Adapters for Ratchet Wrenches

Screw-Holding Bit Adapters

Screw-Holding Precise-Control Screwdrivers

Magnetic Screw-HoldingPrecise-Control Screwdriver Sets

Screw-Holding Precise-Control Screwdrivers

Screw-Holding L-Keys

Screw-Holding L-Keys

Screw-Holding L-Key Sets

Ball-End Screw-Holding L-Key Sets

Ball-End Screw-Holding L-Keys

T-Handle Keys

Screw-Holding Torque-Control Wing-Handle Keys

Screw-Holding Torque-Control Wing-Handle Key Sets

Screw-Holding T-Handle Keys

Screw-Holding T-Handle Key Sets

Magnetic Screw-Holding
Precise-Control Screwdriver Sets