Asymmetrical Screwdrivers

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	Asymmetrical

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Slotted	Phillips

Torx	Hex

Square	External Hex

Pozidriv®	JIS/JCIS

Tamper- Resistant Torx	Drilled Spanner

Tamper- Resistant Hex	Torx Plus

Torq-Set®	Tri-Wing®

Pozidriv® Terminal Screw	Triangle

One Way	Tri-Lobe

Phillips Terminal Screw	Tamper- Resistant Pentalobe

Clutch	Six-Flute Spline

Microstix	Double Square

Pentalobe	Tri-Groove

Pentagon	Triple Square

Hi-TORQUE	Square Phillips

Asymmetrical	Tamper- Resistant Square

Four-Flute Spline	Frearson

Tamper- Resistant Phillips	External Torx Plus

Mortorq®	RIBE

Mortorq® Super	Hex with Pilot Recess

	For Drive Size For Drive Size

U10

U25

	Material Material

Steel

	Overall Length Overall Length

	Driver Style Driver Style

	Bit

	Individual/Set Individual/Set

Individual

	Tip Style Tip Style

	Standard

	Shank Type Shank Type

	Hex

	Hex Shank Size Hex Shank Size

1/4"

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

REACH Compliant

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

RoHS Compliant

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

DFARS Specialty Metals
COTS-Exempt

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2 Products

Asymmetrical Bits

Turn screws that have the tamper-resistant asymmetrical drive exclusive to McMaster-Carr. Also known as insert bits, use these in hand drivers or with a bit adapter in power tools.

1/4" Hex Shank Size
For Drive Size	Overall Lg.	Material		Each
U10	1"	Steel	000000000	000000
U25	1"	Steel	000000000	00000