Precision **IRWIN TCT drill bit (5mm)** for hardened steel, cast iron & alloys. Tungsten carbide tip, 86mm length, professional-grade.
The IRWIN HSS TCT Tip Drill Bit is designed for precision drilling in hardened materials, including steel, cast iron, bronze alloys, and manganese alloyed steel. Its Tungsten Carbide Tipped (TCT) construction ensures exceptional durability and cutting performance, capable of drilling materials up to 50 Rockwell C hardness.
Featuring a four-facetted grind, this drill bit offers low drilling pressure and perfect centring, reducing the risk of wander and ensuring accurate results. The Chrome Vanadium Steel body is hardened to 56 Rockwell C, providing enhanced strength and resistance to wear.
Optimal Performance Tips
Applications
Technical Specifications
Backed by Irwin’s reputation for high-quality precision tools, this drill bit is a reliable choice for professionals and DIY enthusiasts tackling tough materials.
Free standard delivery on US mainland orders. Express delivery options and international shipping available at checkout.
We offer a 30-day money-back guarantee on most products. For defective items, contact us within 14 days for a replacement or refund.
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