Steel Cap Screws | McMaster-Carr


Hex	External Hex	Phillips

Torx	Slotted	Torx Plus

External 12-Point	Hex with Pilot Recess	Tamper- Resistant Torx

External Square	Tamper- Resistant Hex	JIS

Tamper- Resistant Torx Plus	One Way	Tri- Groove

	Socket Head Profile Socket Head Profile


Standard	Low

Ultra-Low

	Thread Direction Thread Direction


Right Hand	Left Hand

	Head Diameter Head Diameter

	Fastener Strength Grade/Class Fastener Strength Grade/Class

	Head Height Head Height

	Specifications Met Specifications Met

	Thread Pitch Thread Pitch

	Thread Type Thread Type

	Thread Spacing Thread Spacing

Coarse

Fine

Extra Fine

	Tensile Strength Tensile Strength

40,000 to 59,999 psi

60,000 to 79,999 psi

80,000 to 99,999 psi

100,000 psi or greater

Not Rated

	Drive Size Drive Size

	Thread Fit Thread Fit

	Hardness Hardness

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

DFARS Specialty Metals
Compliant

DFARS Specialty Metals
COTS-Exempt

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Fasteners

Socket Head Screws

With a deeper drive than flat and rounded head screws, socket head screws withstand more torque for a tighter hold. Install in a counterbored hole or above the surface.

Rounded Head Screws

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

Hex Head Screws

Hex head screws are easy to install with a wrench for a secure hold. Use them with a nut or in tapped holes.

Flat Head Screws

Flat and oval head screws are angled under the head to fit in countersunk holes.

12-Point Screws

The head makes 12 points of contact with a wrench to handle more torque than a socket head or hex head screw.

Square Head Screws

Large flat sides make these screws easy to grip with a wrench and keep them from rotating in square holes.

Screw Assortments

Fastener Caps

Conceal and protect screw heads and nuts.