12.9级内六角螺丝杯头M14*20/25/30/35/40/45/50/55/60/65/70/80

GB70 8.8级内六角螺丝M14*20/60/80-240/250/260/270/280/290/300

GB78内六角锥端尖端紧定螺丝M14*14/16/35/40/45/50/60/70/80/90

GB70镀兰白锌内六角杯头螺钉M12M14M16M18M20M24*30/40/50/65-160

GB70-85 8.8级85新标内六角螺丝M14*90/100/110/120/130/150

反牙12.9级高强左牙内六角倒扣螺丝钉M4M5M6M8M10M12M14M16*20-80

10.9级平杯DIN7991沉头内六角GB70.3平头螺钉M14M16M18M20M22M24

GB70高强度8.8级全牙内六角螺钉全螺纹圆柱头内六角M14M16M18M20

8.8级内六角螺丝高强度半牙圆柱头螺栓杯头螺钉5M6M8M10M12M14M16

304不锈钢内六角圆柱头螺丝M14M16螺栓螺钉杯头内六方*25/30-150

12.9级细牙内六角螺丝高强度杯头幼牙螺钉M14*1.5M16*1.5M18*1.5

M14*L 10.9级公制半圆头发黑内六角螺栓圆头螺丝蘑菇头

12.9级细牙内六角螺丝钉M16m14m8m10m12x1.25*35幼牙圆柱杯头螺栓

12.9级全牙内六角螺钉12M14M16M18*30/55/70/120/160/170/190-200