{"product_id":"brass-shaft-coupling-joint-connector-for-rc-motors","title":"Brass Shaft Coupling Joint Connector For RC Motors 4mm To 4mm 20mm Long 9mm Outer Diameter M3 Thread Ideal For DIY Airplane Boat And Robot Builds Maintenance Free Corrosion Resistant","description":"\u003cdiv\u003eBrass Shaft Coupling for RC Motors, 4mm-4mm, 20mm Long\u003cbr\u003e\n✔️ 12 brass couplings, M3 thread, 20mm long, 9mm OD, 4-4mm bore\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eThis brass shaft coupling joins two shafts in small drive systems, ideal for RC airplanes, boats, robots, and DIY model builds where reliable torque transfer and compact size matter.\u003c\/p\u003e \u003cp\u003e✅ Material: brass, corrosion-resistant, maintenance-free\u003cbr\u003e\n✅ Bore: 4mm-4mm\u003cbr\u003e\n✅ Outer diameter: 9mm; Length: 20mm\u003cbr\u003e\n✅ Thread: M3; Top-tight rigid coupling for high torque\u003cbr\u003e\n✅ Pack: 12 x couplings, 2 x Allen wrenches, 48 x screws\u003cbr\u003e\n\u003c\/p\u003e \u003cp\u003e💡 What is a shaft coupling used for in hobby robotics and RC builds?\nThis handy connector transfers torque between shafts while keeping alignment and reducing vibration.\n- Connects two shafts with matching or different diameters for small drive systems\n- Maintains alignment in RC models, planes, boats, and robotics\n- Brass construction offers corrosion resistance and maintenance-free life\n\u003c\/p\u003e \u003c\/div\u003e","brand":"Amazon","offers":[{"title":"Default Title","offer_id":48110789099755,"sku":"VXB0C1RP6XPH","price":49.93,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0662\/3268\/0683\/files\/71mVGQphnJL.jpg?v=1776486359","url":"https:\/\/vxb.com\/products\/brass-shaft-coupling-joint-connector-for-rc-motors","provider":"VXB Bearings","version":"1.0","type":"link"}