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Amazon.co.jp: T8 Lead 2/4/8mm Lead Screw, Anti-Back Rash Nut Pitch: 0.08 in (2 mm) OD 0.3 in (8 mm) to 3.9 in (100 mm), 47.2 in (1200 mm) T-Stepper Motor (Color: Lead
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Amazon.co.jp: Coupling Nuts 2-5pcs Round Coupling Nuts M3 M4 M5 M6 M8 M10 Extension Long Round Coupling Nut 304 Stainless Steel Lead Screw Connection Nuts (Size: M5x35 2pcs) : DIY, Tools &
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