8级高强度6170六角螺母螺帽M4M5M6M8M10M12M14M16M18M20M22M24M27

304不锈钢加长六角螺母M3M4M5M6M8M10M12M16M20支持定制来图来样

GB13681六角焊接螺母点焊螺帽M4M5M6M8M10M12M14M16M8*1M10*1.25

GB58细牙六角开槽螺母开花槽形螺母M8M10M12M14M16M18M20*1*1.5*2

GB56 8级六角特厚螺母M10M12M14M16M18M20M22M24M27M30M33M36M42

58六角开槽螺母开花槽形锁紧6M8M10M12M14M16M18M24M27M33M39M45

GB55 加高六角加厚细牙螺母M14M16M20M22M24*1.5M27M30M42*2*3

高强度10级六角螺母螺帽M6M8M10M12M14M16M18M20M22M24M27M30M33

GB56 8级六角特厚细牙螺母M14*1.5/M16*1.5/M24*1.5/M27*2/M30*2

镀白锌六角螺母4级螺帽M1.6M2M2.5M3M4M5M6M8M10M12M14M16M20-M33

不锈钢GB54六角薄螺母M8M12M14M16M18M20M22M24

GB6175高强12级发黑六角加厚螺母M10M12M14M16M18M20M22M24M27M30

铜六角螺母M1.6/M2/M2.5/M3/M4/M5/M6/M8/M10/M12/M14/M16/M20

镀锌8级6170六角螺母帽M5M6M8M10M12M14M16M18M20M22M24M27M30

8级槽型-高强六角开槽开花槽形螺母M6M8M10M12M14M16M18M20M22M24

8级细牙GB6171六角螺母M8*1/10*1.25/12M14M16M18M20*1.5-M36*2/3

10级达克罗六角法兰螺母M10m12m16xM20带防滑齿法兰母 高强度螺帽

4.8/8.8级六角螺母高强度螺丝帽黑色螺栓帽M5M6M8M10M12M16M18M20