Professional Grade 1/2″ X 5″ X 18″ Starrett Oversize Precision Ground Flat Stock AISI O-1 Oil Hardened Steel 57025

Oversize precision ground flat stock crafted from AISI O-1 oil hardened steel. One piece suitable for fixture builds, toolmaking reference stock, and custom milling applications.

Oversize flat stock provides extra material for trimming to final dimension and maintaining square references during setup.

Precision ground surfaces yield consistent flatness and squareness for reliable jig and fixture alignment.

Oil hardened steel offers stable mechanical properties suitable for fabrication, toolmaking, and die work.

Single piece construction reduces joints and enhances rigidity for milling, drilling, and grinding operations.

Ideal as reference stock, build stock for jigs and fixtures, or as a starting point for custom tooling.

Specifications

Material: AISI O-1 oil hardened steel

Finish: Precision ground

Dimensions: one-half inch thick x five inches wide x eighteen inches long

Thickness: one-half inch

Width: five inches

Length: eighteen inches

Applications

Machining shops and tool and die making

Fabrication and metalworking for fixtures and reference standards

Prototype tooling, jig creation, and fixture development

Die stamping, milling references, and setup blocks