Irwin 10502691 HSS TCT Tip Drill Bit 11.0mm

This Tungsten Carbide Tipped (TCT) drill bit is designed for precise stationary drilling in hardened steel, cast iron, bronze alloys, and manganese alloyed steel. It features a Chrome Vanadium Steel body hardened to 56 Rockwell C and a C2 carbide tip capable of drilling materials up to 50 Rockwell C hardness. Its four-faceted ground tip provides low drilling pressure and accurate centering, making it suitable for metalworking drill presses and similar stationary machines. The bit measures 11.0 mm in diameter with a total length of 142 mm and a working length of 94 mm, combining robust construction with reliable performance for demanding drilling tasks.

Features

• Diameter 11.0 mm
• Total length 142 mm
• Working length 94 mm
• Chrome Vanadium Steel body hardened to 56 RC
• C2 carbide tip, drills up to 50 RC
• Four-faceted ground tip for low drilling pressure and centering

Specifications

• Tip material: C2 Carbide
• Material hardness compatibility: up to 50 RC
• Body material: Chrome Vanadium Steel, hardened to 56 RC
• Suitable for stationary drill machines
• Coolant recommended during drilling

Always use a coolant when drilling with TCT twist drill bits; a 3–6% emulsion is recommended to extend drill bit life.