hexagon socket countersunk head cap head screw  内六角沉头螺钉

hexagon socket head cap head screw  内六角圆柱头螺钉

axle cap bolt  轴罩螺栓

ball head bolt  活节螺栓; 球头螺栓

bearing cap bolt  轴承罩螺栓; RNA干涉(RNAi)

bolt head  螺栓头; 螺栓头部

bolt head identification  螺栓头部标记

bolt head rupture  帽头开裂

bolt head side  螺栓头部一侧

bolt head surface  螺栓头表面

bolt head trimming machine  螺栓头整缘机

bolt head with feather  带销螺栓头

button head bolt  圆头螺栓

cap bolt  紧固螺栓; 盖螺栓; 有帽螺栓; 有头螺栓

cap-bolt  有帽螺栓

cheese-head bolt  圆头螺栓

cone head bolt  锥头螺栓

conical head bolt  锥头螺栓; 圆锥头螺栓

connecting rod cap bolt  连杆盖螺栓