{"product_id":"rock-solid-aircraft-grade-aluminum-flex-shaft-coup","title":"Rock Solid Aircraft Grade Aluminum Flex Shaft Coupler With Four Millimeter Bores And A Clean Setup Perfect For Tinkering On Your Dream 3D Printer Or Gearing Up Cnc Stepper Motors Smoothly","description":"\u003cdiv\u003eHeavy Duty Aluminum Flexible Shaft Coupler For CNC Machines\u003cbr\u003e\n✔️ Flexible shaft connector sold individually built for 4 mm bores sizing 20x25 mm \u003cp\u003eThis flex shaft coupling links two independent drive axles while absorbing shock and correcting small alignment glitches. Mechanics usually mount these between stepper motor flanges and lead screws, spindle hubs, or linear guide rods inside diy cnc routers and custom 3d printing rigs.\u003c\/p\u003e ✅ Outer diameter comes in at 20 millimeters 0.78 inch with an overall length of 25 millimeters 0.98 inch\u003cbr\u003e\n✅ Dual hollow bores align with 4 millimeters 0.15 inch driver shafts perfectly\u003cbr\u003e\n✅ Built from tough aviation aluminum featuring a protective anodized finish\u003cbr\u003e\n✅ Features a rubber spider design that soaks up torque spikes and fights misalignment\u003cbr\u003e\n✅ Available in silver or red finishes to match any project chassis or build plate\u003cbr\u003e \u003cp\u003e💡 Why choose flexible shaft couplings for cnc stepper motor setups instead of rigid metal connectors?\u003cbr\u003eRigid couplers transfer every wobble straight into your cutting path, whereas a flexible mounting solution gives you plenty of wiggle room when bolting things down. These handy fittings actually absorb rotational vibration and keep your toolpath smooth during fast passes.\u003cbr\u003e- elastomeric inserts isolate motor harmonics and shield precision bearings from lateral stress\u003cbr\u003e- parallel offset tolerance handles slight angular deviations without stripping mounting holes\u003cbr\u003e- torsional elasticity moves high torque efficiently while dampening hard startup jolts and heavy cuts\u003cbr\u003e- standard bore sizing pairs easily with common nema 17 or nema 23 driver assemblies without extra machining\u003c\/p\u003e✝️\u003c\/div\u003e","brand":"Amazon","offers":[{"title":"Default Title","offer_id":49245552312555,"sku":"VXB0CXPQJQXN","price":45.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0662\/3268\/0683\/files\/41kItIZLVRL_a9d09eaf-d8ad-4556-ae1c-74a37515f8d5.jpg?v=1787007741","url":"https:\/\/vxb.com\/products\/rock-solid-aircraft-grade-aluminum-flex-shaft-coup","provider":"VXB Bearings","version":"1.0","type":"link"}