Starrett 54347 Precision Ground Flat Stock 3/16" x 3-1/2" x 36" AISI O1 Tool Steel

The Starrett 54347 is a precision ground flat stock bar made from AISI O1 oil-hardening tool steel, measuring 3/16" thick x 3-1/2" wide x 36" long. This high-quality tool steel is ideal for toolmaking, precision machining, and fabrication applications where dimensional stability and edge retention are critical.

Key Features:

• AISI O1 oil-hardening tool steel composition for superior wear resistance
• Precision ground to tight tolerances for accurate, consistent dimensions
• Dimensionally stable material minimizes warping during heat treatment
• Excellent for intricate work including thin sections with minimal cracking risk
• Can be hardened to Rockwell 62-64 HRC for maximum durability
• Suitable for cutting tools, punches, dies, gauges, and fixture components

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