Dormer A147 HSS-E Cobalt High Speed Steel Drill Bit 3.9mm Pack of 10

The Dormer A147 HSS-E Cobalt High Speed Steel Drill Bit is engineered for superior performance and durability. Constructed from HSS-E cobalt, this drill bit offers enhanced heat resistance and wear protection, ensuring extended tool life even under the most demanding conditions. Featuring a 130° split point, the A147 ensures precise and rapid starts, reducing bit walking and enhancing drilling accuracy. The cobalt content provides excellent performance when drilling through hard and abrasive