Metric Cap Screws | McMaster-Carr

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	Thread Size Thread Size

	Thread Pitch Thread Pitch

	Length Length

	Head Type Head Type


Socket	Hex

Rounded	Flat

12-Point	Oval

	Material Material

Stainless
Steel

	Finish Finish

Black Phosphate

Black Ultra-Corrosion-
Resistant Coated

Hot-Dipped Galvanized

Zinc Yellow-Chromate Plated

Zinc-Aluminum Coated

Zinc-Flake Coated

	Drive Style Drive Style

Drilled Spanner

External 12-Point

Hex with Pilot Recess

Tamper-Resistant Hex

Tamper-Resistant Torx

	Threading Threading

	Fully Threaded
	Partially Threaded

	Socket Head Profile Socket Head Profile


Standard	Low

Ultra-Low

	Head Height Head Height

	Head Diameter Head Diameter

	Fastener Strength Grade/Class Fastener Strength Grade/Class

	Thread Direction Thread Direction


Right Hand	Left Hand

	Drive Size Drive Size

	Rounded Head Style Rounded Head Style


Button	Pan

Round	Truss

Cheese

	Tensile Strength Tensile Strength

Less than 100,000 psi

100,000 to 119,999 psi

120,000 to 139,999 psi

140,000 to 159,999 psi

160,000 psi or greater

	Thread Spacing Thread Spacing

	Specifications Met Specifications Met

DIN

ISO

SAE

Mil. Spec.

FDA

NAS

	Thread Fit Thread Fit

	Head Width Head Width

	Flat Head Profile Flat Head Profile


Standard	Undercut

	Rounded Head Profile Rounded Head Profile

	Hardness Hardness

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8,830 Products

Screws and Bolts

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.

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.

Rounded Head Screws

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

Flat Head Screws

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

12-Point Screws

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.

Other Metric Cap Screws

Screw Assortments

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Reference Charts

Reference Charts

Includes charts that list specifications and tightening guidelines for socket screws as well as charts that provide decimal equivalents and drill sizes.

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