Order Now 3/4″ X 3/4″ X 18″ Starrett Oversize Precision Ground Flat Stock AISI O-1 Oil Hardened Steel 57042

The 3/4 inch by 3/4 inch by 18 inches Oversize Precision Ground Flat Stock is manufactured from AISI O-1 oil hardened steel. This single piece stock supports accurate milling, drilling, grinding, and fixture work where consistent flatness and straightness are essential.

Precision ground flat stock provides consistent reference surfaces for machining and fixture setup

AISI O-1 oil hardened steel balances machinability with heat treatability for subsequent hardening if needed

Oversize cross-section and length enable multiple setups and controlled material removal to final size

Ideal as a base stock for tool making, die work, jigs, and fixtures requiring a stable blank

Versatile for milling, drilling, and grinding applications with reliable dimensional stability

Specifications

Dimensions: 3/4 inch by 3/4 inch by 18 inches

Material: AISI O-1 oil hardened steel

Finish: precision ground on both faces

Stock type: oversize flat stock

One piece of material: 3/4 inch by 3/4 inch cross-section, 18 inches in length

Surface: precision ground on both faces for accurate clamping and reference surfaces

Applications

Machine shops and tool and die shops for fabrication and fixture work

Metal fabrication and prototype shops requiring precise stock for custom parts

Educational machining labs for hands-on practice with tooling and reference stock

Industrial maintenance and repair environments for component blanks and gauges