Discount 1/4″ X 5/16″ X 18″ Starrett Precision Ground Flat Stock AISI O-1 Oil Hardened Steel 58722

1/4″ X 5/16″ X 18″ Starrett Precision Ground Flat Stock | AISI O-1 Oil Hardened Steel | 58722 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 flat stock for accurate machining and consistent stock dimensions

Made from AISI O-1 oil hardened tool steel for sustained wear resistance

Rectangular cross-section (1/4 inch thick by 5/16 inch wide) supports stable cutting and shaping

Oil hardening treatment provides improved edge retention during tooling operations

One piece construction delivers reliable geometry under machining loads

Specifications

Thickness: 1/4 inch

Width: 5/16 inch

Length: 18 inch

Material: AISI O-1 oil hardened steel

Finish: Precision ground

Stock geometry: rectangular cross-section with flat, machined surfaces

Nominal dimensions: thickness 1/4 inch, width 5/16 inch, length 18 inch

Surface finish: precision ground for flatness and dimensional consistency

Material class: AISI O-1 oil hardened tool steel

Applications

Machine shops and tool and die shops for blanks, fixtures, and custom tooling

Metal fabrication and general fabrication environments requiring dependable stock

DIY metalworking and prototyping projects needing a precise, hard stock

Education and training laboratories focusing on basic machining and forming