Next Day Delivery 3/4″ X 4″ X 36″ Starrett Oversize Precision Ground Flat Stock AISI O-1 Oil Hardened Steel 56887

3/4″ X 4″ X 36″ Starrett Oversize Precision Ground Flat Stock | AISI O-1 Oil Hardened Steel | 56887 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 designed for tight tolerances in machining setups

Made from AISI O-1 oil hardened steel for reliable machinability and edge retention

Ground flat surfaces provide accurate reference for fixtures, gaging, and milling operations

Ideal for custom tooling, jigs, fixtures, and reference blocks in both manual and CNC workflows

One piece construction minimizes flex and improves stability during fixturing and machining

Specifications

Thickness: 3/4 inch

Width: 4 inch

Length: 36 inch

Material: AISI O-1 oil hardened steel

Finish: Precision ground

Dimensions: 3/4 inch thickness, 4 inch width, 36 inch length

Pack: 1 piece

Applications

Tooling and die making shops; precision machining and fabrication facilities

Fixture and jig builders; alignment reference components for production setups

Prototyping labs and metalworking hobbyists requiring stable, flat reference surfaces

Maintenance departments needing accurate blocks for alignment and squaring tasks

Any workflow requiring consistent, flat stock for surface reference, squaring, and trueing