Premium 5/16″ X 3 1/2″ X 18″ Starrett Precision Ground Flat Stock AISI O-1 Oil Hardened Steel 54110

5/16″ X 3 1/2″ X 18″ Starrett Precision Ground Flat Stock | AISI O-1 Oil Hardened Steel | 54110 is Starrett precision ground flat stock, supplied ground flat, square and parallel in aisi o-1 oil hardened steel so it goes straight into layout, fixturing and machining work without further surfacing.

Precision ground flat stock delivers accurate surface squareness for milling, drilling, and shaping operations

AISI O-1 tool steel with oil hardening provides predictable heat-treat behavior and suitability for hardening to desired hardness

Single-piece construction minimizes joints and alignment errors during machining and fixturing

Solid stock ready for further machining, forming, or custom tooling applications

Specifications

Thickness: 5/16 inch

Width: 3 1/2 inch

Length: 18 inches

Material: AISI O-1 oil hardened steel

Finish: Precision ground

Dimensions: 5/16 inch thick x 3 1/2 inch wide x 18 inches long

Surface: Precision ground for flatness and squareness

Applications

Tool and die shops for blanking, forming, and prototype tooling

Machining and metal fabrication shops for fixture and jig components

Knife makers and blade smiths for starting stock and blanks

Maintenance and repair operations requiring durable flat stock for custom parts

Educational labs and prototyping environments involving basic tool steel stock