{"product_id":"3-to-8mm-bore-rigid-shaft-coupling-with-set-screws","title":"3 To 8mm Bore Rigid Shaft Coupling With Set Screws Aluminum Alloy 25mm Length 18mm Outer Diameter Sleek Dark Blue Motor Accessory For 3D Printers CNC Machines Stepper Motors And DIY Robotics","description":"\u003cdiv\u003eRigid Shaft Coupling for 3-8mm Bore, 25mm Length, 18mm OD\u003cbr\u003e\n✔️ 3-8 mm bore, 25 mm length, 18 mm OD, M4 screws, single unit\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eThis rigid shaft coupling provides a solid, clamp-style connection between motors and driven shafts for hobby CNC machines, 3D printers, and DIY robotics. Crafted from durable aluminum alloy in a sleek dark blue finish, it delivers high torque with precise alignment for reliable motor to shaft coupling.\u003c\/p\u003e \u003cp\u003e✅ Bore range: 3-8 mm fits common shafts\u003cbr\u003e✅ Length: 25 mm (0.98 in), outer diameter 18 mm (0.71 in)\u003cbr\u003e✅ Clamp-style, single-piece design with M4 screws for secure grip\u003cbr\u003e✅ High torque, rigid, low inertia for precise motor coupling\u003cbr\u003e\u003c\/p\u003e \u003cp\u003e💡 What is a rigid shaft coupling used for in hobby CNC and 3D printers?\nThis handy connector keeps motors and drive shafts aligned under load.\n- Used to transfer motor torque to a driven shaft\n- Maintains alignment with minimal backlash in compact builds\n- Fits 3-8 mm bore shafts and 18 mm OD units\n- Great for hobby CNC, 3D printers, DIY robotics, and gear drives\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amazon","offers":[{"title":"Default Title","offer_id":48110702199019,"sku":"VXB08H84CDVB","price":49.93,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0662\/3268\/0683\/files\/61qktACedFL.jpg?v=1776481130","url":"https:\/\/vxb.com\/products\/3-to-8mm-bore-rigid-shaft-coupling-with-set-screws","provider":"VXB Bearings","version":"1.0","type":"link"}