1″ X 2 1/2″ X 18″ Starrett Precision Ground Flat Stock AISI O-1 Oil Hardened Steel 54215 Trusted Brand

1″ X 2 1/2″ X 18″ Starrett Precision Ground Flat Stock | AISI O-1 Oil Hardened Steel | 54215 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 provides accurate, true surfaces for setup references and gauging

Single-piece construction reduces gaps and improves rigidity in jigs and fixtures

Oil hardened steel offers improved wear resistance and edge retention over untreated stock

Uniform rectangular cross-section supports repeatable machining and consistent results

Ready for secondary operations such as drilling, milling, or grinding

Specifications

Material: AISI O-1 oil hardened steel

Type: Precision ground flat stock

Thickness: 1 inch

Width: 2-1/2 inches

Length: 18 inches

Dimensions: 1 inch thick × 2-1/2 inches wide × 18 inches long

Surface finish: Precision ground for flatness

Applications

Machine shops for fixture plates, jigs, and tooling references

Tool and die operations for prepared stock and custom blocks

Metal fabrication and prototyping labs requiring reliable flat stock

Educational metalworking programs for hands-on alignment and bench work