Double Square Screwdrivers | McMaster-Carr

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	Double Square

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Slotted	Phillips

Hex	Torx

External Hex	Square

Pozidriv®	JIS/JCIS

Tamper- Resistant Torx	Drilled Spanner

Tamper- Resistant Hex	Torx Plus

Torq-Set®	Tri-Wing®

Pozidriv® Terminal Screw	Phillips Terminal Screw

Clutch	Triangle

One Way	Tri-Lobe

Tamper- Resistant Pentalobe	Pentalobe

Triple Square	Six-Flute Spline

Double Square	Tri-Groove

Frearson	Pentagon

Microstix	Hi-TORQUE

Asymmetrical	Square Phillips

Tamper- Resistant Square	Hex with Pilot Recess

Tamper- Resistant Phillips	External Torx Plus

Four-Flute Spline	Mortorq®

RIBE	Mortorq® Super

	Size Size

	Driver Style Driver Style

	Bit

	Tip Style Tip Style

	Standard

	Shank Type Shank Type

	Hex

	Individual/Set Individual/Set

	Hex Shank Size Hex Shank Size

	Overall Length Overall Length

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

DFARS Specialty Metals
COTS-Exempt

	Material Material

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3 Products

Double Square Bits

The tip is shaped like an eight-pointed star. Also known as insert bits, use these in hand drivers or with a bit adapter in power tools.

1/4" Hex Shank Size
Size	Overall Lg.	Material		Each
No. 1	1"	Steel	0000000	00000
No. 2	1"	Steel	0000000	0000
No. 3	1"	Steel	0000000	0000

The quick brown fox jumped over the lazy dog. Pedestal (35" Ht. x 4" Wd. x 4" Dp.)