Starrett 54136 7/16" x 7/16" x 18" AISI O1 Tool Steel Flat Stock

The Starrett 54136 is a precision-ground flat stock measuring 7/16" x 7/16" x 18", manufactured from AISI O1 oil-hardening tool steel. This high-quality tool steel is ideal for precision toolmaking, die work, and manufacturing applications requiring dimensional stability.

Key Features:

• AISI O1 oil-hardening tool steel for superior hardness and wear resistance
• Dimensionally stable material maintains accuracy during heat treatment
• Excellent machinability for intricate work and thin sections
• Minimal risk of cracking or warping during hardening process
• Precision-ground to tight tolerances for accurate work
• 7/16" x 7/16" cross-section, 18" length

O1 tool steel is a versatile, oil-hardening grade known for its combination of toughness and wear resistance. When properly heat-treated, it achieves high hardness levels while maintaining dimensional stability, making it the preferred choice for punches, dies, gauges, and precision tooling components.