DeWalt HSS-E Cobalt Jobber Drill Bits

The DeWalt DT4902 HSS-E Cobalt Jobber Drill Bit in 4.2mm diameter is supplied as a single bit, a commonly specified size for tapping and precision drilling operations. The 8% cobalt HSS-E construction ensures reliable performance in tough materials. Features and Benefits: • 8% cobalt HSS-E for extended edge retention • 2x faster penetration and 4x longer life vs Black Oxide • Reduced heat build-up during drilling • Stronger central core for breakage resistance Specifications: Diameter: 4.2mm Length: 61mm Working Length: 33mm Pack Quantity: 1 Contents: • Pack of 1