Dormer A777 HSS-E Cobalt Jobber Drill Bits 15.5mm Pack of 1

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Dormer A777 HSS-E Cobalt Jobber Drill Bits 15.5mm Pack of 1

Designed to withstand the toughest drilling conditions, this 15.5mm Dormer A777 HSS-E Cobalt jobber drill bit delivers exceptional performance in both professional and industrial settings. Its premium cobalt steel construction provides outstanding heat resistance and edge retention, ensuring clean, accurate holes through challenging materials such as stainless steel, hardened steels, and high-strength alloys. With a 135 degree split point that reduces walking and eliminates the need for centring, you can achieve precise starts and faster penetration every time. Whether you are working in a busy machine shop or on a demanding fabrication line, this bit offers the reliability and durability required for high-stress environments.

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

- 135 degree split point for instant start, reduced walking, and lower thrust

- Robust geometry designed for high-stress industrial and professional applications

- Bright finish for reduced friction and improved chip flow

- Precision ground flute and point geometry for concentricity and accurate hole size

- Suitable for use on tough materials including stainless steel, alloy steels, and titanium

- Dormer A777 series – trusted for consistent, repeatable performance

Achieve reliable, accurate drilling in the most demanding jobs with this 15.5mm Dormer A777 cobalt drill bit.

GTIN: 7320760374764