Brand New 5/16″ X 1 3/4″ X 36″ Starrett Precision Ground Flat Stock AISI O-1 Oil Hardened Steel 57240

5/16″ X 1 3/4″ X 36″ Starrett Precision Ground Flat Stock | AISI O-1 Oil Hardened Steel | 57240 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 for consistent machining reference and repeatable setups

AISI O-1 oil hardened steel provides a balance of hardness and machinability for tooling and fabrication

Flat stock with true, square faces reduces setup time for milling, drilling, and grinding

Ready-to-machine material suitable for jigs, fixtures, blades, and custom tooling components

One piece, length 36 inch, enabling long, uninterrupted runs for production or prototyping

Specifications

Thickness: 5/16 inch

Width: 1 3/4 inch

Length: 36 inch

Material: AISI O-1 oil hardened steel

Finish: Precision ground

Configuration: solid flat bar stock

Surface: precision ground faces for uniform finish

Distribution: one piece per package

Applications

Machine shops and fabrication shops for custom parts and fixtures

Tool and die operations for forming, stamping, and assembling tooling components

Machining and prototyping environments requiring reliable base stock

Knife makers and bladesmiths who transform metal into functional tools

Educational workshops and maker spaces focusing on metalworking projects