We can supply many kinds of drill bits with high quality and lowest price. Drill bitChisel Bit/Cross Bit/Taper Bit/Button Bit/Boring Bit/Stelidium Bit 7 Button Bit: 32mm, 34mm, 36mm, 38mm, 40mm, 42mm 4 Button Bit: 38mm, 40mm, 42mm Chisel Taper Bit: 32mm, 34mm, 36mm, 38mm, 40mm, 42mm Cross Bit: 32mm, 34mm, 36mm, 38mm, 40mm, 42mm Drill bit