Price Drop 9/16″ X 4″ X 18″ Starrett Oversize Precision Ground Flat Stock AISI A-2 Air Hardened Steel 57618
Original price was: $424.31.$178.21Current price is: $178.21.
9/16″ X 4″ X 18″ Starrett Oversize Precision Ground Flat Stock | AISI A-2 Air Hardened Steel | 57618 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.
Made from AISI A-2 air hardened steel for good wear resistance and dimensional stability.
Precision ground surface ensures flatness and accuracy for machining and fixturing.
Oversize stock enables fabrication of large tooling, dies, and fixtures with fewer joints.
Balanced machinability; suitable for custom tooling, blanks, and gage blocks preparation.
Straightforward base material for secondary operations, including shaping, milling, and grinding tasks.
Specifications
Thickness: 9/16 inch
Width: 4 inch
Length: 18 inch
Material: AISI A-2 air hardened steel
Finish: precision ground
Category: Oversize flat stock
Form: rectangular flat stock
Overall dimensions: 9/16 inch thick, 4 inch wide, 18 inch long
Surface finish: precision ground
Material state: solid, single piece
Applications
Tool and die shops for blanks, fixtures, and reference blocks
Metal fabrication and stamping environments requiring stable base stock
Machining, prototyping, and custom tooling development
Fixture and jig construction where large, flat, ground stock is beneficial





