Cross Bits / Rock Drilling Tools Best Quality, Lowest Price, Most Satisfied Service 1) Threaded connection: R22, R25, R28, R32, R38, T38, T45, T512) Tapered connection: 6 ° , 7 ° , 11 ° , 12 °3) Diameter: 28-127mmMoreover, we can make various sizes of Cross Bits according to customers requirements.We are committed to providing our customers with the products in the best quality at the lowest ...