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19 high speed steel - R metal drill bit set
Contains drill bits 1,1.5,2,2.5,3,3.5,4,4.5,5,5.5,6,6.5,7,7.5,8,8.5,9,9.5,10 mm
Comes in a plastic display box
Product Description
Made from high speed steel with titanium-nitride coating. Up to 40 percentage faster drilling than comparable drill bits. Suitable for alloyed and unalloyed steel up to a tensile strength of 900N/mm sq, malleable cast iron, sintered iron, copper, bronze and hard plastics such as Perspex. Not suitable for aluminium. Sizes: 1-10 mm in 0.5 mm increments.
