B&Q - A777 Hsco Cobalt Heavy-Duty Jobber Drill Bits Metric Multi Colour (8.00mm)

Dormer

DORMER A777 Metric Cobalt Jobber Drill Bits are engineered for heavy-duty applications, featuring a 135° split point designed to withstand higher heat generated during drilling, making them ideal for tougher materials and the Aerospace Industry. These drill bits boast a standard helix, right-hand spiral flute geometry with a thick web. The point angle varies: 118° conical point for sizes 0.30mm - 0.95mm, and a 135° 4-facet point for sizes 1.00mm to 1.40mm. Sizes 1.50mm and above feature a 135° split point geometry conforming to NAS 907 Aerospace Specification type P3. Manufactured from HSCo Cobalt steel, these drill bits have a bronze surface treatment and meet DIN 338 RN / BS328 / ISO 235 standards. Product Summary: Cobalt drill bits, heavy-duty, metric sizes, aerospace specification, high heat resistance, split point, 4 facet point, DORMER, DIN 338 RN, BS328, ISO 235.