1/2″ X 3″ X 18″ Starrett Precision Ground Flat Stock AISI O-1 Oil Hardened Steel 54155 Bargain

1/2″ X 3″ X 18″ Starrett Precision Ground Flat Stock | AISI O-1 Oil Hardened Steel | 54155 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 to maintain consistent thickness and flatness across the entire piece

Oil hardened AISI O-1 steel offers improved hardness and wear resistance for cutting, punching, and forming tasks

Flat stock geometry supports reliable seating in fixtures, jigs, dies, and custom tooling

Rectangular cross-section minimizes misalignment and binding in machining setups

Specifications

Material: AISI O-1 oil hardened tool steel

Dimensions: 1/2 inch thickness × 3 inch width × 18 inch length

Finish: precision ground surfaces

Form: flat stock bar

Cross-section: rectangular

Surface condition: machined and ground for planar seating

Applications

Machine shops and tool rooms for fabrication, stamping, and die work

Metal fabrication and prototype development environments requiring reliable flat stock material

Educational labs and workshops focused on metalworking and basic metallurgy

DIY and hobby machinists assembling fixtures, gauges, or custom tooling