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Cobalt Metal Drill Bit Set GRAPHITE model 57H088 — assorted diameters 1.5–6.5 mm
Summary description:
Cobalt metal drill bit set GRAPHITE 57H088 containing a range of straight-shank cylindrical bits with diameters from 1.5 mm to 6.5 mm (including 1.5, 2, 2.5, 3, 3.2, 3.5, 4, 4.5, 4.8, 5, 5.5, 6, 6.5 mm). Designed for drilling steel and other ferrous materials, these cobalt alloy bits offer higher heat and wear resistance than standard HSS, suitable for workshop, maintenance and metal fabrication tasks requiring precise through and pilot holes.