THREADED BUTTON BITS - Xiamen Prodrill
BIT 38 MM SR28 (R28) for drifting ,tunneling and stone quarrying. Made from high alloy steel and tungsten carbide as same grade as internationally well-known brand. Apply “hot (thermal) -insertion” processing procedure to insert the buttons as same as internationally well-known brand. Entire CNC processing procedure ensure the quality consistency.
Get Price