Permanent magnetic chuck. Removable handle for positive on/off control, side rails, end rails all included. All have 200 minute angle steps with 0.005mm(0.0002") tolerance in squareness, parallelism and roll center distances. The chuck of pole is 1+1.5 | V-47MF,66MF,612MF 细目正弦磁盘,台湾鹰牌细目正弦磁盘 |
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