Q Standard Annex: + High-precision drill chuck (ZS4125 with three-hole anti-drop drill chuck) + ZS4116A/ZS4120 inner cone connecting rod(MT2) + ZS4125 inner cone connecting rod (Mt3) + ZS4112A outer c
Product description：Characteristic:
+ It can dnn holes and tap threads.
•Belt drive, smooth operation, low noise;
•Selection of hxjh-quahty electrical appliances, stable performance, durable, long service life;
+ Con
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