{"product_id":"three-pack-3-17mm-to-4mm-rotatable-universal-shaft","title":"Three Pack 3.17mm to 4mm Rotatable Universal Shaft U Joint Coupler for Motors, 3D Printers, and CNC Machines Easy DIY Hex Shaft Connector for Robotics and DIY Projects","description":"\u003cdiv\u003eRotatable U Joint Shaft Couplers for Motors\u003cbr\u003e\n✔️ 3-pack, M3 thread, 3.17-4.0mm ID, 23mm L (0.91 in), 9mm OD (0.35 in), nickel-coated \u003cp\u003eThis three-pack rotatable universal shaft coupler connects motor shafts to hex wheels or drive gears in robotics, DIY projects, RC models, and hobby CNC setups. Nickel-coated iron makes it durable for repeated use.\u003c\/p\u003e \u003cp\u003e✅ Nickel-coated iron universal joint coupling, sturdy and durable \u003cbr\u003e✅ Inner diameter accommodates 3.17-4.0mm shafts (0.125-0.1575 in) \u003cbr\u003e✅ Length 23 mm (0.91 in); Outer diameter 9 mm (0.35 in) \u003cbr\u003e✅ M3 thread fitment for motor shafts and hex wheels \u003cbr\u003e✅ Includes 1 M4 hex wrench and 6 fastening screws\u003c\/p\u003e \u003cp\u003e💡 What is a common use for a rotatable universal joint shaft coupler in hobby projects? In quick terms, it lets you connect a motor shaft to a hex wheel or drive gear while allowing slight misalignment, handy for RC, 3D printing, and DIY CNC builds. - Handy for motor-to-shaft connections in tight spaces - Works with 3.17-4.0 mm shafts and M3 mounting - Rotatable design eases alignment and reduces binding - Includes three couplers and hardware for quick setup\u003c\/p\u003e✝️\u003c\/div\u003e","brand":"Amazon","offers":[{"title":"Default Title","offer_id":49116740092139,"sku":"VXB0BNNW4V7K","price":43.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0662\/3268\/0683\/files\/61DQQ-mNr_L.jpg?v=1785175939","url":"https:\/\/vxb.com\/products\/three-pack-3-17mm-to-4mm-rotatable-universal-shaft","provider":"VXB Bearings","version":"1.0","type":"link"}