Luxury 5/16″ X 2 1/2″ X 18″ Starrett Precision Ground Flat Stock AISI A-2 Air Hardened Steel 54721

5/16″ X 2 1/2″ X 18″ Starrett Precision Ground Flat Stock | AISI A-2 Air Hardened Steel | 54721 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.

Flat stock with uniform cross-section for consistent machining, fixturing, and gauging

AISI A-2 air hardened steel provides a balance of toughness and wear resistance suitable for tooling and die work

Ready for secondary operations such as drilling, milling, shaping, and surface grinding

Edge geometry and straightness optimized for use in custom tools, blades, fixtures, and shims

Ground finish reduces setup time and improves repeatability in production or prototyping environments

Specifications

Material: AISI A-2 air hardened steel

Form: Precision ground flat stock

Dimensions: 5/16 inch thick by 2 1/2 inch wide by 18 inch long

Finish: Precision ground surface

Stock type: Flat

Size reference: 5/16 inch thick, 2 1/2 inch wide, 18 inch long

Surface: Ground for flatness and accuracy along the length

Material class: Tool steel (AISI A-2) with air hardening characteristics

Applications

Metalworking shops and tool and die operations

Machining and fabrication environments requiring precise stock for fixtures and jigs

Automotive and aerospace manufacturing prototyping and fixture development

DIY metalworking and hobbyist workshops needing reliable stock for custom parts