Cobalt bits cut faster and last longer and are suitable for heavy-duty industrial work in: Alloy steels, carbon steels, cast iron, hardened alloy steels, stainless steels, high temperature alloys, Titanium alloy, high strength steel and carbon fibre composite materials.
Supplied in a robust plastic case clearly marked with each drill size, which secures and protects the drills when in storage.
Sizes: 1, 1.5, 2, 2.5, 3, 3.5, 4, 4.5, 5, 5.5, 6, 6.5, 7, 7.5, 8, 8.5, 9, 9.5, and 10mm