空心头螺钉六角扳手
hollow head screw hex wrench
六角螺钉
allen head screw
screw hexagon socket head cap screw
hex head screw
hexagonal head screw
hexagon screw
提升缸内六角螺钉
elevation cylinder capscrew
圆柱头内六角螺钉
hexagonal socket head cap screw
高怠速调整螺钉外罩
high idle adjusting screw cover
火花塞外壳六角螺母
spark plug bodyhexagon nut
椎弓根外螺钉
extrapedicular screw fixation
1型六角螺母
hexagon nuts
style 1--Product grades A and B
2型六角螺母
hexagon nuts
style 2--Product grades A and B
γ-六六六
hexachloro-cyclohexanes γ-HCH
半光六角螺栓
semifinished hexagon head bolt