{"product_id":"two-pack-heavy-duty-universal-joint-shaft-coupling","title":"Two Pack Heavy Duty Universal Joint Shaft Couplings 4mm To 4mm Inner Diameter Rotatable Steering Shaft U Joints With Screws For RC Cars Robots Boats And Other Drive System Projects","description":"\u003cdiv\u003eTwo-Pack Heavy Duty Universal Joint Shaft Couplings 4mm to 4mm\u003cbr\u003e\n✔️ 9x23 mm OD x H (0.35x0.91 in), 4 mm bore (0.16 in), 45# steel \u003cp\u003eThese universal rotatable steering shaft joints provide smooth torque transmission between a motor and steering mechanism in RC cars, boats, robots, and other drive systems. Typical applications include remote-controlled models and compact automation projects.\u003c\/p\u003e ✅ 2-piece pack of universal joint shaft couplings \u003cbr\u003e\n✅ Size 9x23 mm OD x H with 4 mm bore \u003cbr\u003e\n✅ Made from 45# steel with silver tone finish \u003cbr\u003e\n✅ Side holes accept screws; tighten with hex wrench (wrench not included) \u003cbr\u003e \u003cp\u003e💡 What is a universal joint shaft coupling used for?\u003c\/p\u003e\n\u003cp\u003eIt is handy for transmitting rotational power in drive systems where space is tight and alignment isn’t perfect.\u003c\/p\u003e\n- transfers torque across angled drives in hobby RC and robotics \u003cbr\u003e\n- allows angular misalignment while maintaining steering\/control \u003cbr\u003e\n- fits 4 mm bore universal joints for compact drive systems \u003cbr\u003e ✝️\u003c\/div\u003e","brand":"Amazon","offers":[{"title":"Default Title","offer_id":49145104826603,"sku":"VXB0FNCK5ZJP","price":39.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0662\/3268\/0683\/files\/61Bz5vSmRjL.jpg?v=1785773128","url":"https:\/\/vxb.com\/products\/two-pack-heavy-duty-universal-joint-shaft-coupling","provider":"VXB Bearings","version":"1.0","type":"link"}