Starrett 54410 Precision Ground Flat Stock 3/8" x 1-1/4" x 36" AISI O1 Tool Steel

The Starrett 54410 is a precision ground flat stock bar made from AISI O1 oil hardening tool steel, measuring 3/8" thick x 1-1/4" wide x 36" long. This high-quality tool steel is ideal for toolmaking, die work, and precision manufacturing applications where dimensional stability and hardness are critical.

Key Features:

• AISI O1 oil hardening tool steel for superior hardness and wear resistance
• Precision ground on all sides for tight tolerances and smooth finish
• Dimensionally stable during heat treatment with minimal distortion
• Excellent for intricate work including thin sections with minimal risk of cracking
• Ideal for cutting tools, dies, jigs, fixtures, and gauges
• Can be hardened to Rockwell 62-64 HRC when properly heat treated

Starrett precision ground flat stock is manufactured to exacting standards, providing machinists and toolmakers with reliable, consistent material for demanding applications. O1 tool steel offers an excellent balance of toughness, wear resistance, and machinability in both annealed and hardened states.