screw collar nut 螺纹环螺母

nut collar 螺母垫呛 ; 螺母垫圈 ; 螺帽项圈 ; 有环螺帽

Knurled nut with collar 滚花高螺母

fourfrequency pin driven collar nut 四锥孔圆缘螺母

hexagon nut with collar 六角凸缘螺母 ; 六角凸缘螺帽

square nut with collar 方凸缘螺母

triangle nut with collar 三角凸缘螺母

knurled thumb nut with collar 滚花高螺母

Nut t collar 螺母垫圈