Starrett 54394 496 AISI O1 Tool Steel Flat Stock 5/16" x 1" x 36"

The Starrett 54394 is a precision-ground flat stock bar made from AISI O1 oil-hardening tool steel, measuring 5/16 inch thick by 1 inch wide by 36 inches long. This high-quality tool steel is ideal for manufacturing custom tooling, gauges, jigs, fixtures, and precision components that require excellent dimensional stability.

Key Features:

• AISI O1 oil-hardening tool steel for superior hardness and wear resistance
• Dimensionally stable during heat treatment with minimal distortion
• Precision-ground to tight tolerances for accurate machining
• Ideal for intricate work and thin sections with minimal risk of cracking
• Can be hardened to Rockwell C 57-62 for maximum durability
• Excellent machinability in annealed condition

O1 tool steel is one of the most popular choices for custom tooling applications due to its versatility, ease of heat treatment, and excellent edge-holding properties. The precision-ground finish ensures consistent dimensions and reduces machining time. This flat stock is supplied in the annealed condition, ready for machining and subsequent hardening.