HEX SOCKET CAP SCREWS 内六角孔螺丝 ; 内六角孔螺丝

TITANIUM SOCKET CAP SCREWS 钛内六角孔螺丝

FLAT HEAD SOCKET CAP SCREWS 平头六角孔螺丝

BUTTON HEAD SOCKET CAP SCREWS 半圆头六角孔螺丝

socket cap screw 内六角沉头螺丝 ; 盖螺钉

hexagon socket cap screws 内六角圆柱头螺钉

Socket Cap Screws 圆柱头内六角螺钉

Hex Socket Cap Screw 内六角螺丝

Hexagon socket cap head screws 内六角圆柱头螺钉