Flat Spring Stocks | McMaster-Carr

	Width Width

	Thickness Thickness

	Length Length

	Height Height

	Material Material

	Shape Shape


Sheet and Bar	Wire

	Tolerance Rating Tolerance Rating

Standard

Oversized

Undersized

	Heat Treatment Heat Treatment

Hardened

Annealed (Softened)

	Hardness Rating Hardness Rating

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

DFARS Specialty Metals
COTS-Exempt

DFARS Specialty Metals
Compliant

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

RoHS Compliant

	Hardness Hardness

	Fabrication Fabrication

Cold Worked

Cold Drawn

Hot Rolled

	Appearance Appearance

Plain

Matte

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

REACH Compliant

	Elongation Elongation

	Yield Strength Yield Strength

	Maximum Temperature Maximum Temperature

250° F

Not Rated

	Diameter Diameter

	Certificate Certificate

	Material Certificate with Traceable Lot Number

	Shim Stock Form Shim Stock Form


Roll	Sheet

	Minimum Hardness Minimum Hardness

	Specifications Met Specifications Met

1,297 Products

About Carbon Steel, Alloy Steel, Spring Steel, and Cast Iron

Wear-Resistant 1095 Spring Steel Sheets and Strips

Also known as blue-tempered steel.

Easy-to-Form Wear-Resistant 1095 Spring Steel Sheets

These sheets have a softened temper, which is also known as annealed, so they can be easily formed into shape and then heat treated for spring properties.

1075 Spring Steel Strips

Also known as scaleless steel.

Easy-to-Form 1075 Spring Steel Sheets

These sheets have a softened temper, which is also known as annealed, so they can be easily formed into shape and then heat treated for spring properties.

Lubricated 1065 Spring Steel Wire Assortments

Always have the right size wire on hand with a 72-piece assortment.

Lubricated 1080 Spring Steel Wire

Also known as music wire.

Lubricated 1065 Spring Steel Wire

This wire is coated with oil for corrosion resistance and lubricity. Use it for bundling and as tag wire.

Stress-Resistant 5160 Alloy Steel

5160 alloy steel handles repeated cycles of stress without breaking just like spring steel. It’s often used to make flat springs.

Easy-To-Form Multipurpose 1050 Spring Steel Sheets

Containing more carbon than low-carbon steel—but less than 1095 spring steel—1050 spring steel is easily formed into parts such as washers, brackets, and springs before being hardened for use.

Fasteners

Machine Key Stock

Cut this stock to length to create the machine key you need. Straight keys, with a square or rectangular cross section, are the most common type of key. Install in a keyway to transmit torque from shafts to gears and other components.

Shim Stock

Cut this stock into custom shapes to fit your application.

Shim Stock Sets

Keep shim stock in a variety of thicknesses on hand with these sets. Cut into custom shapes to fit your application.