Plastic Machine Screws | McMaster-Carr

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	Material Material

	For Use In For Use In

Plastic

	System of Measurement System of Measurement

Inch

Metric

	Length Length

	Thread Size Thread Size

	Head Type Head Type


Rounded	Flat

Socket	Hex

Headless

	Drive Style Drive Style


External Hex	Hex	Phillips

Slotted	Torx	Torx Plus

	Screw Size Screw Size

	Head Diameter Head Diameter

	Color Color

	Black		Off-White
	Beige		Clear
	White		Gray

	Rounded Head Style Rounded Head Style


Pan	Round

Fillister	Cheese

Binding

	Head Height Head Height

	Threading Threading

	Fully Threaded
	Partially Threaded

	Thread Direction Thread Direction

	Right Hand

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

RoHS Compliant

	Maximum Temperature Maximum Temperature

	Tip Type Tip Type


Blunt	Soft

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

DFARS Specialty Metals
Compliant

DFARS Specialty Metals
COTS-Exempt

	Thread Type Thread Type

UNC

Metric

UNF

	Size Size

	Tensile Strength Tensile Strength

Less than 20,000 psi

20,000 to 39,999 psi

100,000 psi or greater

Not Rated

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

REACH Compliant

	Tip Material Tip Material

Plastic

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Fasteners

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.

Fastener Assortments