Starrett 54115 Precision Ground Flat Stock 5/16" x 8" x 18" AISI 01 Tool Steel

The Starrett 54115 is a precision ground flat stock bar made from AISI 01 oil hardening tool steel, measuring 5/16" thick x 8" wide x 18" long. This high-quality tool steel is ideal for fabricating precision tools, jigs, fixtures, and gauges where dimensional stability is critical.

Key Features:

• AISI 01 oil hardening tool steel for excellent wear resistance and hardness
• Dimensionally stable during heat treatment with minimal distortion
• Precision ground on all sides for tight tolerances
• Ideal for intricate work including thin sections with minimal risk of cracking
• Can be hardened to Rc 62-64 for demanding applications
• Excellent machinability in the annealed condition

AISI 01 is a versatile tool steel that combines good wear resistance with excellent dimensional stability, making it the preferred choice for precision tooling applications. The oil hardening process provides deep hardening penetration while maintaining tight dimensional control.