Sollroc Three Wings STEP DRAG DRILL BITS

About us: We are a leading manufacturer of rock drilling tools, like DTH hammers and bits, DTH drill pipes, RC hammers and bits, tophammer button bits, coupling, cross bits, drill rods located in Changsha, Hunan, China. We have rich experience in this field of DTH hammers and bits for 20 years. Owing to high quality, professional serivce and competitive price, we have gotten good reputation from our customers from all over the world, such as France, Spain, Italy, South Africa, Iran, Malaysia, Australia ad etc. Product specifications: Sizes available: Type: Chevron and Step type Wings: 2 wings, 3 wings and 4 wings Size: 3" to 12" Thread: 2 3/8", 3 1/2", 4 1/2", 6 5/8" API Reg, male or female.