英制内六角螺钉(BSW2470)分类:英制内六角螺钉英制合金钢12.9级内六角螺钉(英制杯头)????ALLOY STEEL HEX SOCKET HEAD CAP SCREWS BSW2470-12.9?单位:元千支直径185323161451638716长度14255200200 38235217200235 12253208212247424647 5825620422427