Starrett 57306 A2 Tool Steel Flat Stock 1/16x2x36 in

Product Description

The STARRETT 57306 is an A2 air-hardening tool steel flat stock bar measuring 1/16 inch thick, 2 inches wide, and 36 inches long. A2 tool steel is an air-hardening, cold-work die steel known for its dimensional stability during heat treatment and good wear resistance. This flat stock is ground to tight tolerances, making it well suited for fabricating punches, dies, gauges, blades, and other precision tooling components. At 1.47 pounds, it is a manageable single-length bar ready for layout, machining, and heat treatment by toolmakers, machinists, and die makers working in job shops or maintenance environments.

This flat stock is used in applications requiring accurate, pre-finished material that minimizes setup stock removal. Typical uses include die and punch fabrication, fixture plates, wear strips, and precision forming tools. The A2 grade is commonly chosen when moderate toughness combined with good dimensional stability through air hardening is required. It is appropriate for both short-run tooling and production die work in metalworking and manufacturing facilities.

Key Features

• A2 air-hardening tool steel for dimensional stability during heat treatment
• Ground flat stock with tight thickness tolerance of plus or minus 0.001 inches
• Width tolerance held to plus 0.000 to 0.005 inches for consistent fitment
• Length tolerance of plus 0.25 inches allows for finish-cut to final dimension
• Squareness held to 0.003 inches per inch on all edges
• Ready for machining, grinding, and heat treatment without additional annealing in most applications

Compatibility

Designed as a standard A2 air-hardening tool steel flat stock suitable for general toolmaking, die making, and precision machining applications where AISI A2 material specification is required.

Installation Notes

Cutting and machining of tool steel flat stock should be performed by qualified machinists or toolmakers using appropriate cutting tools rated for hard or semi-hard steel. Follow all shop safety protocols including proper machine guarding and personal protective equipment when cutting or grinding. Heat treatment should be performed by a qualified heat treater following established procedures for AISI A2 tool steel. Allow material to fully air cool in still air on a flat surface to minimize distortion during hardening.