沉头螺栓 meaning in Chinese

countersunk bolt
countersunk head bolt
dormant bolt

90 countersunk head bolts with recess , tolerance p6
光杆公差带p6一字槽. 90沉头螺栓
90 countersunk bolts , short thread , shank tolerance h8
光杆公差带h8短螺纹90沉头螺栓
120 raised countersunk head bolts with cross recess
十字槽120半沉头螺栓
100 countersunk head bolts , in titanium alloy
钛合金十字槽100沉头螺栓
120 raised countersunk head bolts with cross recess , short thread
短螺纹十字槽120半沉头螺栓

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