{"product_id":"six-pack-5mm-to-8mm-bore-rigid-shaft-couplers-alum","title":"Six Pack 5mm To 8mm Bore Rigid Shaft Couplers Aluminum Alloy Blue, 25mm Length, 14mm Outside Diameter, M4 Set Screws, L Wrench Included, High Precision Shaft Alignment For CNC Robotics And Motor Projects","description":"\u003cdiv\u003eRigid aluminum shaft couplers for 5mm-8mm bore, 25mm length\u003cbr\u003e\n✔️ 6 x 5mm-8mm bore aluminum rigid couplers, 25mm length \u003cp\u003eThe six-pack aluminum alloy rigid shaft couplers deliver a compact, high-precision link between motors and driven shafts. With a 14 mm outside diameter and 5mm-8mm bore, they’re built for CNC setups, 3D printers, laser engravers, and small robotics where reliable torque transfer matters.\u003c\/p\u003e ✅ Inside bore: 5mm-8mm bore; Length: 25mm; Outside diameter: 14mm; Thread: M4\u003cbr\u003e\n✅ Material: Aluminum alloy; Color: Blue; rigid, high torque capacity\u003cbr\u003e\n✅ Includes: 24 x M4 set screws and 1 x L wrench\u003cbr\u003e\n✅ Pack size: 6 pieces; zero-backlash torque transfer for precise drives\u003cbr\u003e\n✅ Note: 1-2 mm measurement deviation due to manual process\u003cbr\u003e \u003cp\u003e💡 What are the benefits of using a 5mm-8mm bore rigid shaft coupling in CNC and robotics?\u003c\/p\u003e\n\u003cp\u003eThey provide a rock-solid, backlash-free connection that keeps shafts aligned under load.\u003c\/p\u003e\n1. Handy for precise torque transfer between motors and driven shafts\n2. Useful in CNC routers, 3D printers, and small robotics needing clean, accurate motion\n3. Simple installation with included M4 screws and L-wrench✝️\u003c\/div\u003e","brand":"Amazon","offers":[{"title":"Default Title","offer_id":49144768856299,"sku":"VXB0GD5X2KLQ","price":38.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0662\/3268\/0683\/files\/61MFDSYcbpL.jpg?v=1785765450","url":"https:\/\/vxb.com\/products\/six-pack-5mm-to-8mm-bore-rigid-shaft-couplers-alum","provider":"VXB Bearings","version":"1.0","type":"link"}