Starrett 54185 Precision Ground Flat Stock, 5/8" x 8" x 18", AISI O1 Tool Steel

The Starrett 54185 is a precision ground flat stock made from AISI O1 oil-hardening tool steel, measuring 5/8" thick x 8" wide x 18" long. This high-quality tool steel is ideal for tool and die making, jigs, fixtures, punches, and precision machine components.

Key Features:

• AISI O1 oil-hardening tool steel for superior performance and durability
• Dimensionally stable through heat treatment processes
• Precision ground on all sides for accurate machining
• Excellent for intricate work and thin sections with minimal risk of cracking
• Can be hardened to Rockwell C 57-62 for maximum wear resistance
• Good machinability in the annealed condition

O1 tool steel is one of the most popular oil-hardening grades, offering a balanced combination of toughness, wear resistance, and ease of heat treatment. The precision ground finish ensures consistent dimensions and reduces machining time for your projects.