Hex Drive Screws | McMaster-Carr

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	System of Measurement System of Measurement

	Thread Size Thread Size

	Material Material

Stainless
Steel

	Finish Finish

Zinc-Aluminum Coated

Zinc-Flake Coated

	Length Length

	Head Type Head Type


Rounded	Flat

Socket	Headless

Hex	Thumb

	Drive Style Drive Style


Hex	Tamper- Resistant Hex

External Hex	Hex with Pilot Recess

	Threading Threading

Partially Threaded

Threaded on Both Ends

Threaded on One End

	Socket Head Profile Socket Head Profile


Standard	Low

Ultra-Low	High

	Head Diameter Head Diameter

	Head Height Head Height

	Shoulder Length Shoulder Length

0.13" to 1.99"

1/4" to 1.99"

1/2" to 1.99"

2" to 3.99"

4" to 6"

4 to 49.75 mm

6 to 49.75 mm

13 to 49.75 mm

50 to 99.75 mm

100 to 150 mm

	Shoulder Diameter Shoulder Diameter

	Thread Type Thread Type

	Thread Pitch Thread Pitch

	Drive Size Drive Size

	Thread Direction Thread Direction


Right Hand	Left Hand

	Tip Type Tip Type


Pointed	Extended

Flat	Cup

Cone	Oval

Soft	Ball

Blunt	Swivel

	Tensile Strength Tensile Strength

Less than 50,000 psi

50,000 to 69,999 psi

70,000 to 99,999 psi

100,000 to 119,999 psi

120,000 psi or greater

	Rounded Head Style Rounded Head Style


Button	Pan

	Thread Spacing Thread Spacing

	Flat Head Profile Flat Head Profile


Standard	Undercut

	Specifications Met Specifications Met

ISO

DIN

Mil. Spec.

Fed. Spec.

NAS

UL

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18,923 Products

Screws and Bolts

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.

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.

Binding Barrels and Screws

Use these as a low-profile alternative to standard nut and bolt combinations.

Set Screws

Set Screws

Unlike screws that hold materials together with threads, set screws exert pressure at the tip to hold objects in place.

Tapping, Wood, and Drywall Screws

While other screws and bolts require holes with threads, tapping screws create their own threads.

Thumb Screws

Thumb screws provide a secure grip for tightening and loosening by hand.

Captive Panel Screws

Secure panels and enclosures while allowing access. Screws become part of the panel when installed, so they won't fall out and get lost.

Shoulder Screws

A cylindrical shoulder under the head allows parts to rotate around and slide along its length, so these screws are often used to guide and align components.

Other Hex Drive Screws

Screw Assortments

Screw Assortments

Screws for Carbide Insert Holders

When it's time to replace the screws in a carbide insert holder, use the reference number on your holder to find the right size.

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.

Fastener Caps

Fastener Caps

Conceal and protect screw heads and nuts.

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