drill cutting boring. pcd tools special holemaking. material pcd brazing weldind steel (scm440

tool machine steel drill industry carbide cutter special metal milling precision bit reamer cutting engineering hole endmill production work cnc drilling boring turning pcd insert factory hardening material workshop industrial business machining sharpener construction iron making hard machinery manufacturing measure mechanic metallic speed structure technical accuracy alloy aluminium equipment tools brazing scm440 polycrystalline diamond boring