Product description Sollroc supplys high quality grinding machine and grinding cup. Technical parameter: SC220 Bit Grinder Spindle Speed 20000 RPM Power Output 1.5 KW Working Air Pressure 0.5-0.63MPa Air ... Read More
Thread 2 3/8' API REG Abrasive Rock 4' SD4 Drill Hammer For Mining Product introduction: A down-the-hole drill, usually called DTH by most professionals, is basically a mini jackhammer screwed on the bottom of ... Read More