5/8″ X 3″ X 18″ Starrett Oversize Precision Ground Flat Stock AISI O-1 Oil Hardened Steel 57037 Shop Now

Oversize precision ground flat stock manufactured from AISI O-1 oil hardened steel. One piece per package.

Uniform, precision-ground faces suitable for accurate surfacing and squaring operations

Oil hardened tool steel (AISI O-1) provides dependable hardness after heat treatment for tooling and fabrication

Oversize dimensions provide extra material for final machining, planning, or fixturing

Good machinability relative to high-hardness tool steels, enabling clean cuts and consistent material removal

Specifications

Dimensions: 5/8 inch thick x 3 inch wide x 18 inch long

Material: AISI O-1 oil hardened steel

Finish/Process: Precision ground surfaces

Stock type: Oversize flat stock

Flat stock with rectangular cross-section: 5/8 inch thick, 3 inch wide, 18 inch long

Surface condition: Precision ground for flatness and dimension stability

Applications

Machine shops for fabrication blanks, toolmaking foundations, and prototype parts

Metalworking and stamping operations requiring stable stock for shaping, milling, or drilling

Educational labs and fabrication environments for practice with stock preparation and finishing

Repair and maintenance contexts where custom-sized stock is shaped into blades, fixtures, or dies