Normal Internal thread GT60 Top Hammer Drill Bits Cemented carbide steel Advantages Compared with the oversea brands, our advantages are bellowing: a. Our products can match over 95% against the original ... Read More
Normal Internal thread GT60 Top Hammer Drill Bits Cemented carbide steel Raw material 1. use high quality alloy steel, good wear resistance. 2. under high temperature condition, it has high hardness, toughness, ... Read More
Normal Internal thread GT60 Top Hammer Drill Bits Cemented carbide steel Raw material 1. Long life of the drill bit: the alloy just has a long service life and is higher than similar products; 2. High drilling ... Read More