1/4″ X 12″ X 18″ Starrett Oversize Precision Ground Flat Stock AISI A-2 Air Hardened Steel 57588 Certified

1/4″ X 12″ X 18″ Starrett Oversize Precision Ground Flat Stock | AISI A-2 Air Hardened Steel | 57588 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.

Oversize precision ground flat stock for consistent workpiece reference and post-machining surfacing

AISI A-2 air hardened steel provides a balanced mix of hardness, toughness, and abrasion resistance for tooling and fixtures

Flat stock surface supports accurate mounting, clamping, and fixture alignment

One-piece construction reduces misalignment risk in jigs, fixtures, and dies

Versatile for custom tooling, shims, and forming or indexing applications

Specifications

Material: AISI A-2 air hardened tool steel

Finish: Precision ground

Size: 0.25 inch thick, 12 inch wide, 18 inch long

Designation: Oversize stock with extra material for finishing or surfacing

Applications

Machine shops and job shops performing milling, drilling, and grinding operations

Tool and die makers fabricating fixtures, forming dies, or transfer punches

Metal fabrication shops building jigs, fixtures, and alignment references

Prototype labs and R and D environments needing reliable flat stock for fixturing

Aerospace, automotive, and heavy equipment manufacturing requiring precision flat stock for primary or secondary components