1/2″ X 4″ X 18″ Starrett Precision Ground Flat Stock AISI O-1 Oil Hardened Steel 54157 Direct From Factory

1/2″ X 4″ X 18″ Starrett Precision Ground Flat Stock | AISI O-1 Oil Hardened Steel | 54157 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 with true faces and square edges for consistent machining

Made from AISI O-1 oil hardened tool steel, offering reliable wear resistance for tooling applications

Uniform cross-section throughout length supports accurate drilling, milling, and grinding operations

Designed for custom toolmaking, jigs, fixtures, blades, and prototypes

Specifications

Thickness: 1/2 inch

Width: 4 inch

Length: 18 inch

Material: AISI O-1 oil hardened steel

Dimensions: 1/2 inch thick x 4 inch wide x 18 inch long

Surface: precision ground for flat, square faces

Applications

Metal fabrication shops for custom components, dies, punches, and fixtures

Machine shops performing hobbyist and prototyping work

DIY enthusiasts building jigs and fixtures for milling, drilling, and grinding operations