Starrett 53949 AISI O1 Tool Steel Flat Stock 3/64" x 2-1/2" x 18"

The Starrett 53949 is a precision flat stock made from AISI O1 oil-hardening tool steel, measuring 3/64" thick x 2-1/2" wide x 18" long. This high-quality tool steel is ideal for creating custom tools, gauges, and precision components that require dimensional stability and durability.

Key Features:

• AISI O1 oil-hardening tool steel composition for superior performance
• Dimensionally stable material maintains accuracy during heat treatment
• Excellent for intricate work and thin sections with minimal risk of cracking
• Precision ground flat stock for consistent thickness and flatness
• Ideal for fabricating custom tools, jigs, fixtures, and precision instruments

O1 tool steel is known for its excellent machinability in the annealed state and ability to achieve high hardness (up to 62-64 HRC) when properly heat treated. This material is a popular choice among toolmakers, machinists, and instrument makers for applications requiring tight tolerances and wear resistance.