Starrett 54214 O1 Tool Steel Flat Stock 1x2x18 in

Product Description

The STARRETT 54214 is an O1 oil-hardening tool steel flat stock bar intended for toolmakers, machinists, and die makers who require tight dimensional tolerances in raw stock form. Manufactured to AISI Type O1 specification, this flat stock measures 1 inch thick, 2 inches wide, and 18 inches long and weighs 10.2 pounds. Thickness and squareness tolerances are held to plus or minus 0.001 inches, making this stock suitable for applications where dimensional accuracy before hardening is critical. It ships ready for machining, grinding, or direct use as a die blank, punch blank, or precision tool component.

O1 oil-hardening tool steel is a common choice for low-distortion hardening applications in job shops, tool rooms, and manufacturing environments. This flat stock is used in the production of cutting tools, gauges, forming dies, jigs, and fixtures. The 1 inch by 2 inch by 18 inch format suits medium-scale tooling applications where a thicker cross-section is required. Machinists and tool and die makers typically machine this stock to near-final dimensions before oil quenching and tempering to achieve the desired hardness.

Key Features

• AISI Type O1 oil-hardening tool steel for low-distortion heat treatment
• Thickness tolerance of plus or minus 0.001 inches for precise pre-hardening dimensions
• Length tolerance of plus 0.250 inches, minus 0 inches
• Width tolerance of 0.0000 to minus 0.005 inches
• Squareness: edge squareness held to 0.003 inches per inch on all edges
• Ready for machining, grinding, or direct application as tool and die blanks

Compatibility

Designed as a standard AISI O1 oil-hardening tool steel flat stock suitable for general tool room and die making applications requiring this material specification.

Installation Notes

This flat stock is a raw material and is handled by machinists and tool and die makers in a machine shop or tool room environment. Standard metalworking safety practices apply, including use of appropriate PPE when cutting, grinding, or machining. Heat treatment should be performed by qualified personnel following established procedures for O1 tool steel, including proper oil quench and temper cycles. Do not attempt to weld O1 tool steel without appropriate preheat and post-weld heat treatment procedures.