8.8级发黑双头螺丝双头螺栓GB901双头螺柱M8M10M12M14高强度螺杆

镀锌丝杆双头全螺纹全牙螺杆吊顶通丝螺柱短牙条加长牙棒6螺栓8mm

8.8级GB901双头螺丝双头螺栓等长/螺柱M12M16M20M24*50*60*200*90

短牙条丝杆无头双头螺丝全牙螺杆吊顶长通丝螺柱M4 M5 M6M8M10M12

GB901双头等长螺栓B型 螺柱 连接螺丝M6M8M10M12M14M16M18M20-M30

特氟龙双头全螺纹牙条螺柱8.8/10.9级PTFE化工油田专用螺栓螺丝母

8.8级GB901发黑双头螺丝双头螺栓双头螺柱加长螺杆M8M10M12M16M30

镀锌双头螺栓国标两头牙螺丝/双头螺柱/双头螺杆对丝M20M22M24*80

4.8级镀锌双头螺丝等长双头螺栓无头螺杆GB901-B型双头螺柱M14M16

4.8级双头螺栓 螺柱 螺丝 螺杆GB901丝杆B型M8M10M12M14M16M18M20

PTFE防腐特氟龙外六角螺丝双头螺柱牙棒内六角螺栓螺母海洋专用蓝

8.8级GB901双头螺栓螺母垫片套装螺柱螺杆丝杆M8M10M12M14M16-M36

201材质GB901不锈钢双头螺丝对丝螺柱/B级等长螺柱M8M10M12M14M20

双头螺栓GB901/8.8级发黑双头螺丝螺柱等长双头螺杆M8M10系列加长

8.8级高强双头螺栓螺丝 45钢双头牙棒牙条 GB901螺柱M30M33M36

GB 901-1988 等长双头螺柱 B级 英文版 人工翻译 译文译本标准

M5双通六角铜柱 双头隔离柱螺母柱空心机箱主板电脑螺柱 铜柱螺丝

M6双通六角铜柱 双头隔离柱螺母柱空心机箱主板电脑螺柱 铜柱螺丝

4.8级镀锌双头螺栓国标两头牙螺丝螺柱/螺丝杆M14M16M18*60-250mm

201不锈钢双头螺栓螺柱连接螺丝无头螺栓 非标短螺纹螺杆M8 75

不锈钢双头螺栓螺柱左右加长螺杆全牙通丝牙条杆M8*165非标定制

M12 304不锈钢双头螺丝杆螺栓两头带丝螺柱50 55 60 70 80-200

4.8级发黑双头螺丝 螺栓螺柱丝杆牙棒螺杆压板螺丝M8M10M12M14M16

M2M3M6M10M12镀彩锌双头螺丝全牙螺杆通丝螺柱丝杆短牙条20 42 90