Starrett 54218 AISI O1 Flat Ground Stock 1" x 4" x 18"

The Starrett 54218 is a precision flat ground stock made from AISI O1 oil hardening tool steel, measuring 1 inch thick by 4 inches wide by 18 inches long. This high-quality tool steel is ideal for manufacturing precision tools, dies, gauges, and machine components that require dimensional stability and wear resistance.

Key Features:

• AISI O1 oil hardening tool steel composition for excellent machinability and hardenability
• Precision ground flat stock ensures consistent dimensions and surface finish
• Dimensionally stable during heat treatment, minimizing distortion
• Suitable for intricate work including thin sections with minimal risk of cracking
• Can be hardened to Rockwell C 57-62 for superior wear resistance
• Excellent for making cutting tools, punches, dies, and gauges

O1 tool steel is one of the most popular and versatile tool steels available, offering a balance of toughness, wear resistance, and ease of machining. After machining, this flat stock can be oil quenched and tempered to achieve the desired hardness for your specific application.