Reduced Price 5/16″ X 5/16″ X 18″ Starrett Precision Ground Flat Stock AISI A-2 Air Hardened Steel 57527

5/16″ X 5/16″ X 18″ Starrett Precision Ground Flat Stock | AISI A-2 Air Hardened Steel | 57527 is Starrett precision ground flat stock, supplied ground flat, square and parallel in aisi a-2 air hardened steel so it goes straight into layout, fixturing and machining work without further surfacing.

Precision ground surface provides a flat reference for machining, drilling, and assembly

AISI A-2 air hardened steel offers a durable, stable base with good wear resistance and machinability for tooling and fabrication

Square cross-section reduces rotation and maintains alignment when used as a shim, insert, or fixture component

One piece construction minimizes joint play and improves repeatability in setups

Ideal for custom tooling, dies, jigs, fixtures, and prototyping where straight, flat stock is required

Specifications

Cross-section: 5/16 inch by 5/16 inch (square)

Length: 18 inch

Material: AISI A-2 air hardened steel

Finish: Precision ground

Form: Flat stock, single piece

Applications

Machine shops for custom tooling, fixtures, and die components

Fabrication and metalworking applications requiring precise reference stock

Fixture and jig construction, alignment tools, and spacer/shim applications

Prototyping and short-run manufacturing where consistent straight stock is advantageous