Best Choice 1/8″ X 5/8″ X 18″ Starrett Precision Ground Flat Stock AISI O-1 Oil Hardened Steel 54000

1/8″ X 5/8″ X 18″ Starrett Precision Ground Flat Stock | AISI O-1 Oil Hardened Steel | 54000 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.

Oil hardened AISI O-1 tool steel provides reliable hardness after heat treatment for wear resistance

Precision ground flat stock delivers consistent flatness and squareness for accurate setups

Rectangular cross-section supports stable seating in clamps, v-blocks, and fixtures

Long 18 inch length enables multiple machining operations without re-roughing stock

Ready-to-machine blank suitable for custom tooling, blades, shims, and fixtures

Specifications

Dimensions: 1/8 inch thickness × 5/8 inch width × 18 inch length

Material: AISI O-1 tool steel, oil hardened

Form: Precision ground flat stock

Finish: Precision ground

Applications

Toolmaking and die shops for blanks and reference stock

Machine shops and metal fabrication for fixtures, jigs, and alignment references

Prototyping and custom fabrication where precise, straight stock is required

Blade, punch, and tooling blank preparation where predictable machining behavior is valued