攻丝夹头 [机] tapping attachment ; tap holder
头攻丝锥 first hand tap
多用钻孔攻丝夹头 multi-functional drilling and tap holder ; functional drilling and tap holder
可逆式攻丝夹头 reversible tapping chuck
丝攻夹头 tap holder
攻丝接头分接 tapping
安全攻丝夹头 safety threading cullet
多头攻丝机 [机] tapper unit
动力头式攻丝机 unit head tapping machine
沉头内六角攻丝螺钉。
前苏联在攻丝方面主要研究的是高频攻丝，研制有专用轴向超声攻丝机床和相应的超声头。
Tapping in the former Soviet Union is the major research high-frequency tapping, tapping developed a dedicated ultrasound machine and the corresponding axial ultrasonic head.
用于狭窄部位钻孔，扩孔攻丝等作业，具有重量轻，刚性好，钻削头边心距小等特点，且可反转。
Suitable for broaching or tapping in the cabined place. The air drill is light, good rigidity an can be used for drilling in reverse, aiguilles of which has short distance form the border to center.
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