Fresh Stock 5/16″ X 1 1/2″ X 18″ Starrett Oversize Precision Ground Flat Stock AISI O-1 Oil Hardened Steel 56992

5/16″ X 1 1/2″ X 18″ Starrett Oversize Precision Ground Flat Stock | AISI O-1 Oil Hardened Steel | 56992 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.

Oversize precision ground flat stock for true surfaces and dimensional control

AISI O-1 oil hardened steel provides hardness with good machinability

Single piece construction eliminates joints for consistent machining results

Designed for stock-ready dimensions suitable for milling, shaping, and drilling

Suitable for fabrication, tooling, and custom project work requiring flat stock

Specifications

Thickness: 5/16 inch

Width: 1 1/2 inches

Length: 18 inches

Material: AISI O-1 oil hardened steel

Finish/Process: Precision ground flat stock

Rectangular flat stock geometry with true faces from precision grinding

Rigidity and stability due to solid, single-piece stock

Standard metric-like dimensional conventions translated to inch-based measurements

Applications

Tool and die making and metal fabrication shops

Machining workshops and prototyping labs

Custom tooling, fixtures, and jig production

Hobbyist and education-focused metalworking projects