Premium 5/16″ X 1″ X 18″ Starrett Oversize Precision Ground Flat Stock AISI A-2 Air Hardened Steel 57178

5/16″ X 1″ X 18″ Starrett Oversize Precision Ground Flat Stock | AISI A-2 Air Hardened Steel | 57178 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.

Precision ground flat stock provides true surfaces for milling, drilling, and finishing operations

AISI A-2 air hardened steel offers a balanced mix of hardness, toughness, and wear resistance

Oversize stock enables final size squaring and surface finishing without consuming ground stock during setup

Consistent, stable base for fixtures, jigs, clamps, and custom tooling

Good dimensional stability under machining and light forming processes

Specifications

Thickness: 5/16 inch

Width: 1 inch

Length: 18 inch

Material: AISI A-2 air hardened steel

Finish: Oversize precision ground

Dimensions: 5/16 inch thick × 1 inch wide × 18 inch long

Surface: Precision ground flat surfaces

Applications

Tooling and die fabrication

Metal fabrication, machining, and fixture development

Prototype and custom metalworking projects

Fixture plates, clamps, and alignment components

Knife making and other precision metalworking applications