Starrett 57313 A2 Tool Steel Flat Stock 3/32x1-1/4x36in

Product Description

The STARRETT 57313 is an A2 air-hardening tool steel flat stock bar used in toolmaking, die making, and precision machining applications. This piece measures 3/32 inch thick, 1-1/4 inches wide, and 36 inches long, conforming to AISI A2 material specification. A2 tool steel is known for its dimensional stability during heat treatment and good wear resistance after hardening. The 57313 is supplied in the annealed condition, ready for machining and subsequent heat treatment. Machinists, tool and die makers, and industrial maintenance professionals work with this stock to fabricate punches, dies, gauges, and similar precision components.

This flat stock is suited for shop-floor and toolroom use wherever AISI A2 air-hardening tool steel is specified. Common applications include fabrication of blanking dies, forming tools, trim dies, and precision fixtures in both job-shop and production environments. The 36-inch length provides sufficient stock for multiple tooling blanks from a single piece. Because A2 hardens in still air rather than oil or water quench, it is favored where minimal distortion during hardening is a priority.

Key Features

• AISI A2 air-hardening tool steel construction for dimensional stability during heat treat
• Thickness tolerance of plus or minus 0.001 inches for consistent stock removal calculations
• Width tolerance of plus 0.000 to 0.005 inches
• Length tolerance of plus 0.25 inches
• Squareness tolerance of plus or minus 0.001 inches; edge squareness 0.003 per inch
• 36-inch length yields multiple blanks per bar with minimal offcut waste

Compatibility

Designed as a standard AISI A2 air-hardening tool steel flat stock blank for use in any toolroom or machine shop application requiring this material specification.

Installation Notes

Machining of A2 tool steel flat stock is performed by qualified machinists or tool and die makers using standard milling, grinding, and EDM equipment. Heat treatment to full hardness requires an appropriate atmosphere furnace or salt bath to prevent decarburization; follow the material manufacturer heat treat guidelines for A2 steel. Allow the part to reach a safe handling temperature before measuring or finishing. Personal protective equipment including eye protection and appropriate gloves should be worn during all cutting and grinding operations.