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,
GB901双头等长螺栓B型 螺柱 连接螺丝M6M8M10M12M14M16M18M20-M30,
304GB897不锈钢不等长双头螺栓双头螺柱双头螺丝国标6M8M10M12-14,
4.8级双头螺栓 螺柱 螺丝 螺杆GB901丝杆B型M8M10M12M14M16M18M20,
8.8级发黑双头螺栓螺柱螺杆丝杆牙棒压板螺丝M8M10M20M24M30 200,
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,
8.8级GB901发黑双头螺丝双头螺栓双头螺柱加长螺杆M8M10M12M16M30,
8.8级牙条全螺纹螺柱 丝杆 螺杆 双头杆M6 8 10 12 14 16-48发黑,
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,
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,
304不锈钢短牙条丝杆通丝 螺柱双头螺丝M6M8 23 40 50 60 70-200,
黄铜螺杆/螺柱/铜牙棒/全螺纹通丝/铜双头M8*40*50*60*70*80*100,
镀锌双头全牙螺丝通丝螺柱丝杆牙棒牙条M3M4M5M6M8M10非标定制,
8.8级GB901双头等长螺丝 螺柱B型连接螺丝 M8M10M12M14M16M20-M30,
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,
8.8级GB901双头螺丝双头螺栓等长/螺柱M12M16M20M24*50*60*200*90,
GB 901-1988 等长双头螺柱 B级 英文版 人工翻译 译文译本标准,
模具限位柱模脚圆垫块塑胶模限位柱双头螺柱模具配件标准件,
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,
8.8级高强度双头螺栓螺丝螺柱螺杆丝杆牙棒压板螺丝M8M10 30 -160,
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,
8.8级GB901双头螺丝双头螺栓等长/螺柱M10M14M18*50*60*90*300*90,
M2.5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,
304不锈钢双头螺栓螺丝螺柱丝杆双头牙螺杆牙棒 M22*60-22*200,
10.9级加硬35CrMoA双头螺柱双头螺丝M12M16M20M24M30M36*300*100,
8.8级高强度双头螺栓 等长螺柱 GB901发黑螺丝M16*230-M18*75, |