Price Drop 3/8″ X 1 1/2″ X 18″ Starrett Precision Ground Flat Stock AISI O-1 Oil Hardened Steel 54121

3/8″ X 1 1/2″ X 18″ Starrett Precision Ground Flat Stock | AISI O-1 Oil Hardened Steel | 54121 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 edges provide square faces and consistent thickness for accurate setups

Oil hardened tool steel (AISI O-1) offers predictable hardness and wear resistance under tooling use

Uniform cross-section across the entire length supports repeatable machining and fixturing

Ready-to-machine baseline reduces preparation time for custom tooling, jigs, and fixtures

Specifications

Dimensions: 3/8 inch thick x 1 1/2 inch wide x 18 inch long

Material: AISI O-1 oil hardened tool steel

Form: Precision ground flat stock

Finish: Ground flat stock with precise cross-section

Shape: Rectangular flat stock with parallel faces

Texture: Smooth, uniform surface suitable for secondary finishing

Applications

Tooling and die making, machinists, and fabrication shops rely on this precision stock for custom tools

Used as a baseline material for punches, fixtures, gauges, and jig components

Applicable to milling, drilling, grinding, and shaping operations that require a stable, flat reference