Drilled Head Bolts | McMaster-Carr

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	System of Measurement System of Measurement

	Thread Size Thread Size

	Thread Type Thread Type

	Length Length

	Material Material

Stainless Steel

	Head Type Head Type


Socket	Hex

Rounded	Flat

Headless

	Threading Threading

	Fully Threaded
	Partially Threaded

	Drive Style Drive Style


Hex	External Hex	Slotted

	Head Height Head Height

	Thread Spacing Thread Spacing

	Thread Fit Thread Fit

	Tensile Strength Tensile Strength

	Hardness Hardness

	Finish Finish

	Specifications Met Specifications Met

SAE

Mil. Spec.

Fed. Spec.

AN

NAS

DIN

ISO

	Head Diameter Head Diameter

	Drive Size Drive Size

	Hole Diameter Hole Diameter

	Head Width Head Width

	Vent Diameter Vent Diameter

	Thread Pitch Thread Pitch

	Rounded Head Style Rounded Head Style


Button	Fillister

	Minimum Thread Length Minimum Thread Length

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About Socket Head Screws

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Screws and Bolts

Socket Head Screws

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

Rounded Head Screws

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

Vented Flat Head Screws

Vented Flat Head Screws

These screws are drilled through the shaft to vent fluid and gases trapped under the screw.

Vented Cup-Point Set Screws

Vented to allow fluid and gas to pass through.

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