不銹鋼膨脹螺絲─ 套管式,每支單價,特殊及量大另議. 規格, 1/4x2", 5/16x2 1/4", 5/16x3", 3/8x 2 1/2", 3/8x3", 3/8x4", 1/2x3", 1/2x4", 1/2x5", 5/8x4", 5/8x5" ...
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