Dormer A147 HSS-E Cobalt High Speed Steel Drill Bit 12.5mm Pack of 1

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Dormer A147 HSS-E Cobalt High Speed Steel Drill Bit 12.5mm Pack of 1

This 12.5mm drill bit delivers exceptional longevity and cutting performance, even in the most demanding materials. Engineered from premium HSS-E cobalt steel, it maintains its hardness at elevated temperatures, making it ideal for drilling stainless steel, cast iron, and other tough alloys. Whether you are a professional engineer or a serious DIY enthusiast, this bit ensures clean, accurate holes with reduced heat build-up and minimal bit wear.

- Constructed from HSS-E cobalt for superior heat resistance and extended tool life

- 12.5mm diameter suitable for a wide range of heavy-duty drilling applications

- 135-degree split point design eliminates walking and provides instant start drilling

- Precision-ground flutes for efficient swarf removal and smooth cutting action

- Diameter tolerance to ISO 286 class h8 for consistent, repeatable hole sizes

- Suitable for use on high-tensile steels, stainless steels, and titanium alloys

- High-performance cobalt content allows higher cutting speeds without loss of edge integrity

Ideal for demanding workshop environments where reliability and accuracy are non-negotiable.

GTIN: 7320760702468