5/8″ X 4″ X 36″ Starrett Oversize Precision Ground Flat Stock AISI O-1 Oil Hardened Steel 56878 Order Now

5/8″ X 4″ X 36″ Starrett Oversize Precision Ground Flat Stock | AISI O-1 Oil Hardened Steel | 56878 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 faces provide flatness and squareness for reliable setup on milling and grinding operations

Oversize stock allows final milling, thinning, or grinding to final dimensions without compromising straightness

AISI O-1 oil hardened steel offers good machinability, wear resistance, and stable edge retention during toolmaking processes

One piece, solid bar stock suitable for long fixtures, forming tools, dies, and prototype components

Consistent dimensional accuracy across the full length to support repeatable operations

Specifications

Material: AISI O-1 oil hardened tool steel

Stock type: Oversize precision ground flat stock

Dimensions: 5/8 inch by 4 inch by 36 inch

Finish: precision ground flat stock surfaces

Form: Solid bar stock

Length: 36 inch

Width: 4 inch

Thickness: 5/8 inch

Edges: Square and true due to precision grinding

Applications

Tool and die shops for blanks, dies, punches, and forming tools

Machining and metalworking applications requiring flat stock for fixtures, jigs, and templates

Prototyping and custom fabrication projects that benefit from long, precise stock ready for final shaping