Amazon.co.jp: ZHaonan- T8 Lead Screw Leads, 4mm / 2mm / 8mm, DIA 8mm, Pitch, 2mm, Length 200/300/400/500/600mm, Trapezoid Spindle Screws with Brass Copper Nut (Color : Lead 2mm, Size : 500mm) :
uxcell Sliding T Slot Nuts, M6 Female Thread for 4040 Series Aluminum Extrusion Profile, Pack of 10: Amazon.com: Industrial & Scientific
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
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