5pcs Fully ground twist drill bits set with titanium coated surface
Fully ground twist drill bits with titanium coated surface
High speed steel body
118/135 degree point both are availabe
135 degree split point of the drill bits, starts on contact in all types of metal, no walking or skating
Titanium nitride coating of the drill bits lasts up to six times longer than standard high speed steel.
This type of HSS drill bits are ideal for drilling on mild steel, copper, Aluminium, Zinc alloy etc.
Provided for the drill bits factory directly, keeps very competative price.