China Factory Full Process Produced a Type Carbide Burr Virgin Wc Flat Silver Weld Rotary File for Mold Weld Deburring

China Factory Full Process Produced a Type Carbide Burr Virgin Wc Flat Silver Weld Rotary File for Mold Weld Deburring. Uniform cylindrical side is ideal for trimming straight side walls, removing linear weld seams, cleaning flatcasting flash and deburring vertical edges of mechanical parts. 100% self-produced from virgin raw materials, full-process manufacturing, rigorous & stable quality control. hardness is high to HRA 90.3-91.5. Flat-bottom silver brazed, consistent with international advanced design. Silver solder improves bonding strength & prevents breakage.