Starrett 54471 Precision Ground Flat Stock 5/8" x 5" x 36" AISI O1 Tool Steel

The Starrett 54471 is a precision ground flat stock bar made from AISI O1 oil-hardening tool steel, measuring 5/8" thick x 5" wide x 36" long. This high-quality tool steel is ideal for fabricating precision tools, dies, gauges, and fixtures where dimensional stability and wear resistance are critical.

Key Features:

• AISI O1 oil-hardening tool steel for superior hardness and edge retention
• Precision ground on all sides for tight tolerances and flatness
• Dimensionally stable during heat treatment with minimal distortion
• Excellent machinability in the annealed condition
• Suitable for intricate work and thin sections with minimal risk of cracking
• Hardens to Rockwell C 57-62 when properly heat treated

O1 tool steel is one of the most popular and versatile tool steels available, offering an excellent balance of toughness, wear resistance, and ease of heat treatment. This precision ground flat stock is ready for machining and can be heat treated to achieve the hardness required for demanding tooling applications.