丝锥螺纹现货28X5X4X3X2
丝锥螺纹左型tr
丝锥螺纹tr30
攻丝机锥型螺纹左反
丝锥螺纹左牙型tr
丝锥螺纹左机反tr
丝锥螺纹tr28
锥型螺纹左攻丝tr
丝锥螺纹反攻左牙丝
丝锥螺纹左反tr
丝锥TR28X2X3X4X5TR26TR22
非标丝锥梯形多头
丝锥梯形TR28X2X3X4X5TR26
梯形螺纹30x2x3x4x5x6Tr10
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