❶☞ HIGH QUALITY ALLOY CUTTING HEAD: the drill bit is made of cemented carbide, and its hardness is higher than the ordinary drill bit. The cutting resistance is small and the drilling EFFICIENCY is high.
❷☞ U-TYPE DRILL BODY : drill has been slotted, the surface of the drill body is clean and NO burr, the paint is treated to prevent rust, and the chip removal is more smooth.
❸☞ ANTI-SKID TRIANGULAR HANDLE: a unique triangular shape of the handle, so that the drill can be tightened and not slipped.
❹☞ OPENING NEAT-SMOOTH: no broken edge, no tremor phenomenon, incision resistance is small AND the hole speed is very fast, easy chip evacuation and so on .It’s easy to decorate after drilling the hole.
❺☞ high temperature quenching: high HARDNESS, more DURABLE and LONGER SERVICE LIFE.