HSS Button Dies (also known as Adjustable Dies) are designed for cutting external threads
Use on soft to medium materials
The Bordo range of Brilliant diamond hole saws are manufactured using vacuum brazing to 'adhere' the diamond material to the saw
Tungsten Carbide 4 Cutter Glass and Tile Drill
smooth cuts and less vibration
8mm Diamond Hex Shank Core Drill HSS Button Dies (also known8mm 1 4" Hex Shank Diamond Core Drill Brilliant Diamond Vacuum Brazed Core Drill. Vacuum brazed, self lubricating, wax filled diamond core drills. One piece hex shank. Suitable for drilling tiles, ceramics, vitrified products, porcelain, natural and composite engineered stone, monocottura, fibreglass, graphite, carbon fibre, FRP's, and other highly abrasive materials. The wax filled core lubricates the cutting edge allowing dry, water free, drilling.