1/5pcs M3-M10 Knurl Hand Tighten Thumb Screw Bolt Curtain Wall Glass Thumbscrew

Thread pitch:0.5mm(M3) / 0.7mm(M4) / 0.8mm(M5) / 1.0mm(M6) / 1.25mm(M8) / 1.5mm(M10).

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