McMaster-Carr

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	Drive Style Drive Style


Tamper- Resistant Torx	Drilled Spanner

Tamper- Resistant Hex	One Way

Tri-Groove	Asymmetrical

Tri-Wing®	Hex

External 5- Point	External Hex

Slotted

	System of Measurement System of Measurement

Inch

Metric

	Drive Size Drive Size

	Thread Size Thread Size

	Head Type Head Type


Rounded	Flat

Socket	Pentagon

Oval	Hex

	Material Material

Stainless Steel

Steel

	Length Length

	Rounded Head Style Rounded Head Style


Button	Pan

Round	Truss

Fillister

	Threading Threading

	Fully Threaded
	Partially Threaded

	Head Diameter Head Diameter

	Head Height Head Height

	Finish Finish

Passivated

Black Oxide

Zinc Plated

	Screw Size Screw Size

	Thread Type Thread Type

UNC

UNF

Metric

	Thread Pitch Thread Pitch

	Tip Type Tip Type


Pointed	Drilling

	Tensile Strength Tensile Strength

	Rounded Head Profile Rounded Head Profile

	Flat Head Profile Flat Head Profile


Standard	Undercut

	Tapping Screw Type Tapping Screw Type

	A/AB
	B

	For Use In For Use In

Sheet Metal

Steel

Stainless Steel

	Thread Spacing Thread Spacing

Coarse

Fine

	Countersink Angle Countersink Angle

1,120 Products

Security Screws

Rounded Head Screws

A domed head sits above the surface of your material. Includes screws such as pan, button, binding, and truss head screws.

Tapping Screws for Metal

Tamper-Resistant Flat Head Screws

Difficult to remove without special tools, use these screws in public spaces to reduce the risk of theft and tampering.

Wire-Lockable Socket Head Screws

For more vibration resistance than any other socket head screw, wire these screws together through the hole in the head.

Pentagon Head Screws

The five-sided head provides tamper resistance by making these screws difficult to remove without special tools. Also known as penta-bolts and 5-point screws.

Wire-Lockable Hex Head Screws

For more vibration resistance than any other hex head screw, wire these screws together through the hole in the head.

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