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8.8级发黑双头螺丝双头螺栓GB901双头螺柱M8M10M12M14高强度螺杆
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8.8级/12.9级双头螺丝m12m14m16双头螺柱长螺丝螺杆双头螺栓加长
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8.8级高强度双头螺丝双头螺栓GB901双头螺柱发黑螺杆M8M10M12-M39
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化工 国标ASTM A193 B8/B8M全螺纹双头螺柱螺栓304不锈钢螺柱双头
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6061铝合金牙条丝杆全螺纹丝铝螺杆通丝双头螺柱M5M6M8M10M12*1米
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8.8级发黑双头螺丝双头螺栓GB901双头螺柱M8M10M12M14M16M18-M39
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8.8级高强度双头螺栓镀锌双头螺柱两头螺丝GB901M10M12M18M20-M36
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8.8级发黑双头螺丝高强度加长螺杆双头螺柱M8M10M12M14M16-M30
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A型双头螺栓 双头螺丝GB898/粗杆A型/不等长双头螺柱M6 M8 M10M30
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双头螺丝8.8级GB901双头螺栓B型细杆M6M8M10-M30等长4.8双头螺柱
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8.8级高强度双头螺栓双头螺丝GB901高强双头螺杆双头螺柱M8—M36
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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
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8.8级双头螺丝M8M10高强度双头螺柱两头丝加长螺杆丝杆国标黑色
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加硬双头螺丝螺栓连接双头螺杆等长双头螺柱 M10/12/14/16/20/24
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M6M8M10 不锈钢304牙棒牙条全螺纹螺丝杆通丝无头罗栓双头螺柱
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M3M4M5M6 304不锈钢双头螺柱螺栓两头螺丝杆 非标订做
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304不锈钢双头螺栓螺杆螺丝GB901丝杆两头螺纹连接加长双头螺柱
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8.8高强度双头螺柱双头螺栓GB901等长螺柱加长M8M10M12M16M33M36
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以瑟六角螺柱双头铜柱双头螺柱连接杆外螺纹隔离柱两头牙M3M4M5
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8.8级高强度镀锌双头螺栓套装两头牙螺杆M10-M36两头螺丝双头螺柱
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8.8级发黑双头螺丝螺栓高强度碳钢双头螺柱M8M10M12M14M16M18螺杆
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304不锈钢双通六角螺柱螺母柱隔离柱机箱主板接线柱双头螺柱M3M4
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8.8级双头螺丝双头螺栓等长双头螺柱B型细杆模具GB901M12M16
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12.9级发黑双头螺栓平垫弹垫螺母套装GB901双头螺柱M8M10M12M14
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12.9级双头螺丝m24m27m30双头螺柱长螺丝螺杆双头螺栓加长螺丝
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8.8级高强度双头螺栓GB901M10M12M16M22M30镀锌双头螺柱两头螺丝
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35CrMoa合金钢双头螺丝12.9级高压双头螺柱M27M30高强度双头螺栓
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8.8级高强度发黑双头螺丝淬火双头螺柱GB901模具用双头螺栓M8
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10.9级高强度双头螺柱双头螺栓35CrMoA高温高压螺柱M12M16M20M24
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8.8级双头螺丝双头螺栓GB901M14M22等长双头螺柱B型细杆模具
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供应GB953等长双头螺柱 不锈钢2520 309S 310S双头螺栓双头螺丝
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8.8级GB901发黑双头螺丝双头螺栓双头螺柱加长螺杆M8M10M12M16M30
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W1YP直供6061铝合金牙条丝杆全螺纹丝铝螺杆通丝双头螺柱M5M6
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8.8级高强度双头螺栓双头螺柱GB901双头螺丝发黑螺杆M8M10M12-M39
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8.8级双头螺丝双头螺栓连接螺丝双头螺杆等长双头螺柱M10*40--120
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蓝白锌8.8级高强度双头螺栓镀锌双头螺柱两头螺丝M12M14M16-M33
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M16M18M208.8高强度双头螺丝 双头螺柱对等螺杆双头螺栓固定件
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8 8级双头螺栓GB901 等长双头螺柱 两头牙 螺丝杆 高强度45
