国标纯黄铜螺丝平垫螺母套装铜外六角螺栓组合全4M5M6M8M10M12M16,
平垫304不锈钢加大加厚金属垫圈垫片M2M2.5M3M4M5M6M8M10M12M14,
201不锈钢平垫片垫圈华司介子GB97 M3M4M5M6M8M10M12M14M16~M30mm,
紫铜垫片厚度2mm退火M3M6M8M12耐高温高压垫圈铜介子放油螺丝平垫,
高强度平垫片金属垫圈介子GB97加大加厚发黑M4M5M6M8M10M12M14M16,
铜平垫圈 圆形平垫片 加大黄铜华司介子金属平垫挡圈M3M4M5M6-M12,
T2紫铜六角螺母紫铜平垫圈螺丝帽弹垫介子M3M4M5M6M8M10M12M14M16,
模具级8.8黑色高强度加厚垫片圆型加大压板平垫圈M8M10M12M16-M42,
316不锈钢平垫圈垫片加大加厚华司介子M3M4M5M6M8M10M12M14M16M20,
304/316不锈钢六角螺母套装平垫弹垫组合螺丝帽201垫片垫圈M2-M12,
M4M5M8M10M12M16 304不锈钢加大加厚四方垫片正方形平垫圈幕墙用,
304垫片不锈钢平垫圈加大厚介子M2M3M4M5M6M8M10M12M14M16M18M20,
镀锌平垫垫圈 加大加厚平垫圈垫片M3M4M5M6M8M10M12M14M16M18M20,
304不锈钢平垫片垫圈金属介子M2M3M4M5M6M8M10M12M14M16M20M22M36,
304不锈钢平垫圈金属介子圆形垫片加大加厚M2M3M4M5M6M8M10M12M24,
304不锈钢重型平垫加厚垫片垫圈华司M3M4M5M6M8M10M12M14M16M24,
8.8级黑色外六角螺丝螺母高强度组合平垫弹垫套装M4M5M6M8M10M12,
304不锈钢GB97垫片螺丝平垫金属垫圈介子M3M4M5M6M8M10M12M16,
铁发黑平垫片加大加厚超薄螺丝垫片圆形金属垫圈M3M4M5M6M8M10M12,
304 201不锈钢GB96平垫垫片螺丝介子加大加厚垫圈M5M6M8M10M12M16,
国标铁镀锌平垫片垫圈加大螺丝圆形金属介子华司M3M4M5M6M8M10M12,
镀锌加大加厚四方垫片304不锈钢正方形平垫圈幕墙用M8M10M12-M30,
尼龙平垫塑胶塑料垫片绝缘垫圈圆形垫片M5M6M8M10M12M16M18M20M24,
3/5/6/8/10/12--48平垫片加大发黑平垫/高强度平加厚垫片发黑介子,
GB853 碳钢/304/316不锈钢方斜垫片缺角槽钢用平垫圈M6M8M10M12mm,
加厚平垫8.8级模具平垫发黑平垫片平垫圈M10M12M14MM16-M24厚平垫,
锁紧垫圈304不锈钢蝶形/鞍型单面花齿防滑平垫片M3M4M5M6M8M10M12,
尼龙垫片塑料黑白垫圈绝缘螺丝圆形平垫圈M2M3M4M5M6M8M10M12M-24,
304不锈钢加大加厚平垫片圆形M3M4M5M6M8M10M12螺丝金属垫圈,
镀锌平垫垫圈圆形平垫穿螺丝铁平垫片薄M3M4M5M6M8M10M12 -M72,