High precision ER8 path jacketed flexible collet ER8-1/2/3/4/5 card ER8 ER8 spring spring collet chuck
Spring steel material, the accuracy is less than 0.01, hardness 55-58HRC, quenching cryogenic treatment, the service life is longer, more stable accuracy.
discount 70% in 2018-09-20 to 2018-09-22
freight :USD$7.00,(Postal parcel)
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