S40气砂轮机Air Grinding WheelS40A 气砂轮机 S40A AIR GRINDER 最大砂轮直径:40mm Max Grinder Size:40mm 空载转速:≥17500r/min Free Speed: ≥17500r/min 弹簧夹头内孔直径:6mm Spring Collet Size:6mm 气管内径:8mm Air pipe(ID): 8mm 全长(不包括砂轮):180mm Overall Length: 180mm 机重(不包括砂轮):0.75kg Net Weight:0.75kg