Starrett 54614 A2 Tool Steel Flat Stock 3/16x2-1/2x18in

Product Description

The STARRETT 54614 is an A2 air-hardening tool steel flat stock bar intended for toolmakers, machinists, and die makers who need a precision-ground blank ready for heat treatment and finishing. Manufactured to AISI A2 tool steel specification, this piece measures 0.1875 inches thick, 2.5 inches wide, and 18 inches long. Thickness tolerance is held to plus or minus 0.001 inches and squareness tolerance is held to plus or minus 0.001 inches, making it suitable for jigs, fixtures, punches, dies, and other tooling applications where dimensional accuracy before hardening is critical.

A2 air-hardening tool steel is a widely used grade in general tooling and die work. It offers good dimensional stability during heat treatment compared to oil-hardening grades, which reduces distortion risk on flat components. This flat stock is suited for short-run and production tooling in machine shops, tool rooms, and maintenance facilities. It is typically cut, machined, and ground to final shape before being air-hardened and tempered to the required hardness for the intended application.

Key Features

• AISI A2 air-hardening tool steel for stable heat treatment with minimal distortion
• Thickness: 0.1875 inches with plus or minus 0.001 inch tolerance
• Width: 2.5 inches with plus 0.000 to 0.005 inch tolerance
• Length: 18 inches with plus 0.250 inch tolerance
• Squareness tolerance: plus or minus 0.001 inches
• Ready to machine, grind, and heat treat to application requirements

Compatibility

Designed as a standard A2 tool steel flat stock blank suitable for use in toolmaking, die making, punch fabrication, and fixture construction wherever AISI A2 air-hardening tool steel is specified.

Installation Notes

Machining and grinding of tool steel flat stock should be performed by qualified machinists using appropriate cutting fluids and tooling rated for hardened or semi-hardened steel. Heat treatment, including hardening and tempering of A2 tool steel, should be carried out by a qualified heat treater following the material manufacturer guidelines and applicable shop safety procedures. Always allow the workpiece to reach ambient temperature before taking final measurements. Personal protective equipment is required during all cutting, grinding, and heat treatment operations.