Washer Head Machine Screws

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	Screw Features Screw Features

Flanged

With Washer

Sealing

	System of Measurement System of Measurement

Inch

Metric

	Thread Size Thread Size

	Length Length

	Head Type Head Type


Rounded	Flat

Socket	Hex

12-Point

	Material Material

	Finish Finish

Black Oxide

Black Phosphate

Corrosion-Resistant-Coated

Green-Dyed

Passivated

Ultra-Corrosion-Resistant
Coated

Zinc Plated

Zinc Yellow-Chromate Plated

	Drive Style Drive Style


External 12-Point	External Hex	Hex

Phillips	Slotted	Tamper- Resistant Torx

Torx	Torx Plus

	Threading Threading

	Fully Threaded
	Partially Threaded

	Rounded Head Style Rounded Head Style


Pan	Button

Round

	Head Height Head Height

	Thread Direction Thread Direction

	Right Hand

	Thread Pitch Thread Pitch

	Thread Type Thread Type

UNC

Metric

UNF

	Washer Type Washer Type


Internal-Tooth Lock	External-Tooth Lock

Split Lock	Flat

Spring Lock

	Thread Spacing Thread Spacing

Coarse

Fine

Extra Fine

	Tensile Strength Tensile Strength

40,000 to 59,999 psi

60,000 to 99,999 psi

100,000 psi or greater

Not Rated

	Flange Diameter Flange Diameter

	RoHS (Restriction of Hazardous Substances) RoHS (Restriction of Hazardous Substances)

RoHS Compliant

RoHS Compliant with
Exemptions

	Specifications Met Specifications Met

	Head Diameter Head Diameter

	Thread Fit Thread Fit

	REACH (Registration, Evaluation, Authorization and Restriction of Chemicals) REACH (Registration, Evaluation, Authorization and Restriction of Chemicals)

REACH Compliant

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3,978 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.

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.

Tapping, Wood, and Drywall Screws

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

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.