Washer-Face Thumb Screws

	System of Measurement System of Measurement

Inch

Metric

	Thread Size Thread Size

	Length Length

	Material Material

	Round-Head Thumb Screw Profile Round-Head Thumb Screw Profile


Flared Collar	Raised

Narrow

	Thumb Screw Head Shape Thumb Screw Head Shape


Round	Spade

	Head Diameter Head Diameter

	Head Height Head Height

	Collar Height Collar Height

	Collar Diameter Collar Diameter

	Thread Spacing Thread Spacing

Coarse

Fine

Ultra Fine

	Thread Type Thread Type

	Thread Pitch Thread Pitch

	Tensile Strength Tensile Strength

	Thread Fit Thread Fit

Class 2A

Class 3A

Class 6g

	Hardness Hardness

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

RoHS Compliant

RoHS Compliant with
Exemptions

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

DFARS Specialty Metals
Compliant

DFARS Specialty Metals
COTS-Exempt

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

REACH Compliant

	Finish Finish

Black Oxide

Zinc Plated

	Color Color

	Black
	Off-White

	Head Width Head Width

	Flange Diameter Flange Diameter

480 Products

About Thumb Screw and Binding Post Materials

Stainless Steel Flared-Collar
Knurled-Head Thumb Screws

Stainless steel thumb screws have excellent corrosion resistance in most environments.

Aluminum Flared-Collar Knurled-Head Thumb Screws

Aluminum thumb screws are lightweight and resist corrosion in wet environments.

Brass Flared-Collar Knurled-Head Thumb Screws

Brass thumb screws are corrosion resistant in wet environments and electrically conductive.

Brass Raised Knurled-Head Thumb Screws

Brass thumb screws are corrosion resistant in wet environments and electrically conductive.

Stainless Steel Raised Knurled-Head Thumb Screws

Made from 18-8 stainless steel, these thumb screws are chemical resistant. They have a raised head that makes them easy to grip.

Metric Stainless Steel Raised
Knurled-Head Thumb Screws

These metric thumb screws are made of chemical-resistant 18-8 stainless steel. They have a raised head that makes them easy to grip.

Steel Raised Knurled-Head Thumb Screws

A raised head makes these thumb screws easy to grip. They have a black-oxide finish to resist corrosion in dry environments.

Metric Steel Raised Knurled-Head Thumb Screws

These metric thumb screws have a raised head that makes them easy to grip. A black-oxide finish provides corrosion resistance in dry environments.

Steel Flanged Spade-Head Thumb Screws

A flange provides a bearing surface to hold parts under the head.

Stainless Steel Flanged Spade-Head Thumb Screws

Stainless steel thumb screws have excellent corrosion resistance in most environments.

Nylon Raised-Head Thumb Screws

A raised head makes these thumb screws easy to grip. Made from nylon, they're chemical resistant, nonconductive, and lightweight.

Ultra-Fine-Thread Plastic-Head Thumb Screws

Fine threads give you precise control.

About Thumb Screw and Binding Post Materials

Thumb Screws

Stainless Steel Flared-CollarKnurled-Head Thumb Screws

Aluminum Flared-Collar Knurled-Head Thumb Screws

Brass Flared-Collar Knurled-Head Thumb Screws

Brass Raised Knurled-Head Thumb Screws

Stainless Steel Raised Knurled-Head Thumb Screws

Metric Stainless Steel RaisedKnurled-Head Thumb Screws

Steel Raised Knurled-Head Thumb Screws

Metric Steel Raised Knurled-Head Thumb Screws

Steel Flanged Spade-Head Thumb Screws

Stainless Steel Flanged Spade-Head Thumb Screws

Nylon Raised-Head Thumb Screws

Ultra-Fine-Thread Plastic-Head Thumb Screws

Stainless Steel Flared-Collar
Knurled-Head Thumb Screws

Metric Stainless Steel Raised
Knurled-Head Thumb Screws