Starrett 54102 Precision Ground Flat Stock, 5/16" x 1/2" x 18", AISI O1 Tool Steel

The Starrett 54102 is a precision ground flat stock made from AISI O1 oil-hardening tool steel, measuring 5/16" thick x 1/2" wide x 18" long. This high-quality tool steel is ideal for manufacturing precision tools, dies, jigs, fixtures, and gauges where dimensional stability and accuracy are critical.

Key Features:

• AISI O1 oil-hardening tool steel for superior dimensional stability
• Precision ground on all sides for accurate, ready-to-use stock
• Excellent for intricate work and thin sections with minimal risk of cracking
• Hardens to Rockwell C 57-62 for wear resistance and edge retention
• Suitable for gages, cutting tools, punches, dies, and precision instruments

Starrett precision ground flat stock is manufactured to exacting tolerances and provides machinists and toolmakers with reliable, consistent material for critical applications. The O1 tool steel offers excellent machinability in the annealed condition and can be heat treated to achieve the desired hardness for your specific application.