1/8″ X 3″ X 18″ Starrett Oversize Precision Ground Flat Stock AISI A-2 Air Hardened Steel 57550 Buy Online

1/8″ X 3″ X 18″ Starrett Oversize Precision Ground Flat Stock | AISI A-2 Air Hardened Steel | 57550 is Starrett precision ground flat stock, supplied ground flat, square and parallel in aisi a-2 air hardened steel so it goes straight into layout, fixturing and machining work without further surfacing.

Manufactured as oversize precision ground flat stock for tight flatness and reliable setup references

AISI A-2 air hardened steel offers durable tooling steel with good wear resistance and toughness

Precision ground surfaces on both faces reduce finishing steps and improve fixture accuracy

Ideal for custom jigs, fixtures, dies, and forming tools where a flat, stable base is required

Material remains dimensionally stable through typical machining and finishing processes

Specifications

Thickness: 1/8 inch

Width: 3 inch

Length: 18 inch

Material: AISI A-2 air hardened steel

Form: Oversize precision ground flat stock

Rectangular flat stock with precise 1/8 inch thickness, 3 inch width, and 18 inch length

Surfaces are ground on both faces for consistent flatness across the length

Ends are square and true to maintain clean fixturing and trimming operations

Applications

Tool and die shops for custom tooling bases and fixtures

Machine shops and metal fabrication environments requiring precise backing stock

Fixture and jig fabrication for repeatable setups and gauging references

Prototyping and occasional production tooling where controlled flat stock is needed

Educational machine shops and training labs as a versatile base material