Dormer A170 Blacksmiths HSS Drill Bit 1/2" Shank 178.5mm

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Dormer A170 Blacksmiths HSS Drill Bit 1/2" Shank 178.5mm

This Blacksmiths drill bit from Dormer’s A170 series is engineered for demanding metalworking tasks where durability and precision are paramount. Featuring a 17.5mm diameter with a reduced 1/2" straight shank, it offers excellent compatibility with standard drill chucks while maintaining the strength needed for deep, accurate holes in ferrous materials. The high-speed steel construction ensures long-lasting cutting performance, making it a reliable choice for both professional fabricators and serious DIY enthusiasts.

- Reduced 1/2" straight shank for secure clamping in standard chucks

- 17.5mm diameter for heavy drilling applications

- Overall length of 157mm with a flute length of 84mm for deep penetration

- Standard-length design balances rigidity and clearance

- Premium HSS material for resistance to heat and wear

- Dormer’s Blacksmiths geometry optimises chip evacuation and reduces torque

Perfect for drilling steel, cast iron, and other tough alloys, this bit delivers consistent results job after job.

GTIN: 7320760030271