{"product_id":"quarter-inch-to-eight-millimeter-bore-rigid-shaft","title":"Quarter Inch To Eight Millimeter Bore Rigid Shaft Coupling Connector Set Screw Heavy Duty Zero Backlash Precision Alignment Blowers And Nema Stepper Engines Hella Durable Finish With Sweet Smooth Action","description":"\u003cdiv\u003eQuarter Inch to Eight Millimeter Rigid Shaft Coupling Set\u003cbr\u003e\n✔️ Includes 4 aluminum M4 screws for tight shaft mounting \u003cp\u003eThis quarter inch to eight millimeter rigid shaft coupling locks rotating components together without play. You install it on industrial blowers, 3D printers, DIY robots, CNC machines, and NEMA stepper motors to transfer torque cleanly. The zero backlash design keeps your motors and gearbox assemblies aligned while reducing vibration during heavy duty operation. Tight fitment guarantees consistent angular movement across demanding mechanical drive situations.\u003c\/p\u003e ✅ Connection diameter measures 8mm (0.31 inch) plus 1\/4 inch (6.35 mm) shaft sizing\u003cbr\u003e\n✅ Overall body spans 25mm (0.98 inch) total length keeping systems compact\u003cbr\u003e\n✅ Outer shell reaches 14mm (0.55 inch) outside diameter for solid grip\u003cbr\u003e\n✅ Aluminum alloy build cuts rotational inertia while boosting heat dissipation\u003cbr\u003e\n✅ Four threaded holes accept M4 screws for maximum holding power\u003cbr\u003e\n✅ Works perfectly alongside stepper motors, sprockets, and linear slide units\u003cbr\u003e\n✅ Package contains one blue finished coupler ready for immediate installation\u003cbr\u003e \u003cp\u003e💡 Why pick a zero backlash coupling for stepper motor and gearbox alignments?\n- Matching bore sizes precisely removes play between connected drivetrain parts for accurate rotation\n- Locking screws clamp down hard against round shafts to keep everything spinning exactly together\n- These handy connectors stay tough under constant vibration while cutting down on mechanical noise\n- Clean mounting habits and proper torque settings ensure lasting reliability across any drive setup\u003c\/p\u003e✝️\u003c\/div\u003e","brand":"Amazon","offers":[{"title":"Default Title","offer_id":49312875643115,"sku":"VXB07PBBNS2B","price":39.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0662\/3268\/0683\/files\/51oilSwyHOL.jpg?v=1788026572","url":"https:\/\/vxb.com\/products\/quarter-inch-to-eight-millimeter-bore-rigid-shaft","provider":"VXB Bearings","version":"1.0","type":"link"}