The CHT383 Clarke Drill Bit Set are cobalt steel drills which offer higher heat and abrasion resistance compared to HSS drills, making them more suitable for use on hardened steel, super alloys, titanium...
A useful, and hard wearing, set of drill bits that are designed specifically for drilling larger diameter holes in both ferrous & non ferrous metals. Each bit has a machined-down 13mm diameter shank and...
These precision ground HSS drill bits, with black flutes, are designed principally for drilling larger holes in ferrous and non ferrous metals. They each have a characteristic shank machined down to ½"...