Starrett AISI O1 Precision Ground Flat Stock

Starrett AISI O1 Precision Ground Flat Stock is oil-hardening tool steel flat bar for toolmakers, machinists and fabricators. It is ground straight and parallel, so it cuts down on the initial grinding needed to bring stock to size. It suits tool steel and die steel work, including gauges, punches, dies, jigs, fixtures and custom tooling blanks.

Key Features:

• AISI O1 oil-hardening tool steel with deep hardening characteristics and a fine grain structure
• Dimensionally stable, so it works for intricate jobs, including thin sections, with minimal risk of cracking
• Machines freely because it is fully spheroidized and annealed
• Precision ground flat, straight and parallel for accurate layout, fixturing and machining
• Full-length identification marking helps prevent mix-ups with other steels
• Made by Starrett, which uses its own ground flat stock for many of its precision tool parts

Starrett has built precision measuring tools for generations. This flat stock gives you a consistent, dependable starting material for machining and toolroom projects.