ReliaBot 100mm T8 T8x4 Tr8x4 Lead Screw and Brass Nut (Acme Thread, 2mm Pitch, 2 Start, 4mm Lead) for 3D Printer and CNC Machine Z Axis: Amazon.com: Industrial & Scientific
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New Lon0167 20pcs ST3.0 Thread 65Mn Steel Zinc Plated Spring U Nut Brass Tone 13.8mmx11mm(20 stücke ST3.0 Gewinde 65Mn Stahl Verzinktem Feder U Mutter Messing Ton 13,8mm x 11mm - - Amazon.com
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ReliaBot 100mm T8 T8x4 Tr8x4 Lead Screw and Brass Nut (Acme Thread, 2mm Pitch, 2 Start, 4mm Lead) for 3D Printer and CNC Machine Z Axis: Amazon.com: Industrial & Scientific