We can make to order Tapered Button Drill Bits 32 mm, 34 mm, 36 mm, 38 mm, 40 mm, 43 mm, 45 mm and others with a tapered angle of 7° / 11° / 12° degree for Hex 22 / Hex 25 Tapered drill rods.
The quality of our drill bits is in no way inferior to such global brands as Atlas Copco / Epiroc,