Dormer A147 HSS-E Cobalt High Speed Steel Drill Bit 4.6mm Pack of 10

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Dormer A147 HSS-E Cobalt High Speed Steel Drill Bit 4.6mm Pack of 10

Engineered for superior performance and exceptional durability, this pack of ten Dormer A147 drill bits is purpose-built to tackle the toughest materials. The HSS-E cobalt construction provides outstanding heat resistance and edge retention, allowing you to work confidently through stainless steel, high-tensile alloys, and hardened metals without premature wear.

- Manufactured from HSS-E cobalt steel for enhanced red hardness and extended tool life

- 4.6mm diameter, ideal for precision fastening and general engineering applications

- 135-degree split point eliminates walking and reduces thrust, ensuring clean, accurate starts

- Fully ground flutes for smooth chip evacuation and consistent cutting action

- Suitable for use in both hand and machine drilling operations

- High cobalt content (5-8%) delivers superior performance at elevated speeds and feeds

Each bit is rigorously tested to meet Dormer's exacting quality standards, making this set a reliable choice for professional tradespeople and serious DIY enthusiasts alike.

GTIN: 7320760691045