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达合金钢板牙圆形板牙手用螺纹套丝扳牙m4m5m6m8m10m12m14m16m18m20
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变径1英制螺纹4分牙3npt2加厚z 内6分 — 外4分(12 内4分 — 外m14*
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钨铜银钨螺纹电极现货销售 m1.4-m14
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定制m14m16m18m20109级细牙全螺纹螺丝细扣全牙外六角螺栓15x15m18
图片内容是:m14螺纹
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内外牙变径螺母螺纹转换套m10变m12m14m16m12转m16m18m16转m20内m101
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专卖螺纹塞规 牙规 栓规m11 m12 m13 m14 m15 m16*2*1.5*1 m11*1.
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5m3m4m5m6m8m10m12m14m16m18m20手动螺纹套丝机 m13*0.75牙【细牙】
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不锈钢丝杆牙条通丝全螺纹螺杆m3m4m5m6m8m10m12m14m16m18m20m5x200mm
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links哈量连环螺纹环规m2m14哈尔滨螺纹通止规检测外螺纹规t通规z止规