IRWIN HSS TCT Tip Drill Bit, 10.0mm x 133mm (87mm WL)

The **IRWIN HSS TCT Tip Drill Bit** delivers precise and efficient drilling in hardened steel, cast iron, bronze alloys, and manganese alloyed steel. Its **Tungsten Carbide Tipped (TCT)** design ensures superior performance, with the **C2 Carbide Tip** capable of drilling materials up to **50 Rockwell C hardness**. The tip is **four-facetted ground**, reducing drilling pressure and ensuring perfect centring for clean, accurate holes.

The **Chrome Vanadium Steel** body is hardened to **56 Rockwell C**, enhancing durability and resistance to wear. For optimal performance and longevity, Irwin recommends using a **3-6% coolant emulsion** during drilling, which helps extend the drill bit’s lifespan.

**Specifications**

* **Diameter:** 10.0mm * **Total Length:** 133mm * **Working Length:** 87mm * **Tip Material:** Tungsten Carbide (C2) * **Body Material:** Chrome Vanadium Steel (Hardened to 56 HRC) * **Compatible Materials:** Hardened Steel, Cast Iron, Bronze Alloys, Manganese Alloyed Steel

Ideal for **stationary machines** in workshops and industrial settings, this **high-performance drill bit** ensures accuracy and longevity in demanding applications.