{"product_id":"autoptim-m10x1-25-atv-lug-nuts-16pc-black-6-spline-closed-end-heat-treated-steel","title":"AUTOPTIM M10x1.25 ATV Lug Nuts 16pc Black 6-Spline Closed-End, Heat-Treated Steel","description":"\u003cp\u003e\u003cstrong\u003eAUTOPTIM M10x1.25 ATV lug nuts are a 16-piece set of black, closed-end, one-piece 6-spline nuts with a dedicated socket key engineered to replace M10x1.25 studs on ATVs and UTVs.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThese lug nuts offer a straightforward wheel-fastening replacement for off-road vehicles that require M10 x 1.25 threads. Manufactured from cold-forged, heat-treated steel with a zinc\/black finish and a 60-degree tapered seat, the set includes 16 nuts and a matching socket key so you can install or swap wheels with the correct tool. The one-piece design, closed end construction, and corrosion-resistant coating make this kit suitable for demanding outdoor use where durability and fit matter.\u003c\/p\u003e\n\n\u003ch3\u003eWill these lug nuts fit my ATV or UTV?\u003c\/h3\u003e\n\u003cp\u003eIf your vehicle uses M10 x 1.25 studs, these AUTOPTIM lug nuts are compatible with many popular models. The product is listed for a number of Honda, Can-Am, Polaris-replacement-style, and Arctic Cat models, but you should confirm thread pitch and stud size before ordering.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eThread: M10 x 1.25 (10x1.25mm)\u003c\/li\u003e\n  \u003cli\u003eSeat: 60° tapered\/conical seat for compatible wheels\u003c\/li\u003e\n  \u003cli\u003eDimensions: 17 mm hex, 35 mm length, 20 mm width\u003c\/li\u003e\n  \u003cli\u003eFit examples: Honda Recon, Foreman, FourTrax; Can-Am Commander, Maverick; Arctic Cat Prowler\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow durable and weather-resistant are these nuts?\u003c\/h3\u003e\n\u003cp\u003eThe AUTOPTIM M10x1.25 nuts are cold-forged and heat-treated for strength, then finished with a zinc\/black coating to resist corrosion from road salt, mud, and moisture. The closed-end design reduces interior exposure to contaminants that can corrode threads over time.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eMaterial: Heat-treated steel for improved toughness\u003c\/li\u003e\n  \u003cli\u003eFinish: Zinc plus black coating for rust resistance\u003c\/li\u003e\n  \u003cli\u003eDesign: Closed-end one-piece construction prevents internal corrosion\u003c\/li\u003e\n  \u003cli\u003eTested: Factory-tested for fit and basic durability under typical use\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat makes the one-piece 6-spline design better than two-piece nuts?\u003c\/h3\u003e\n\u003cp\u003eOne-piece lug nuts avoid the separate cap and sleeve configuration of two-piece systems, which can loosen, crack, or trap contaminants between parts. The AUTOPTIM one-piece construction provides a more consistent thread engagement and lowers the risk of component failure from impact and vibration.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eOne-piece: Eliminates potential failure points from multi-part assemblies\u003c\/li\u003e\n  \u003cli\u003e6-spline: Offers secure engagement with the included socket key\u003c\/li\u003e\n  \u003cli\u003eClosed end: Protects internal threads from dirt and moisture\u003c\/li\u003e\n  \u003cli\u003ePrecise threads: Tight fit to studs for reliable wheel clamping\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat’s included and how do I install them safely?\u003c\/h3\u003e\n\u003cp\u003eThe kit ships with 16 lug nuts and a dedicated spline socket for installation. Use a torque wrench and follow your vehicle manufacturer's torque specification and tightening pattern to ensure safe, even clamping of the wheel.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eContents: 16 black closed-end lug nuts + 1 spline socket key\u003c\/li\u003e\n  \u003cli\u003eTooling: Use a torque wrench and the supplied 6-spline socket for final tightening\u003c\/li\u003e\n  \u003cli\u003eProcedure: Tighten in a star\/crisscross pattern to specified torque\u003c\/li\u003e\n  \u003cli\u003eMaintenance: Periodically check torque after initial road miles\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: The AUTOPTIM M10x1.25 lug nut set is intended for ATV and UTV owners, technicians, and enthusiasts who need a reliable M10 x 1.25 replacement with a corrosion-resistant finish and one-piece strength. It’s a practical choice for riders who value straightforward installation, long-lasting service in off-road conditions, and a clean closed-end appearance on compatible wheels. Confirm your stud thread pitch and wheel seat type before purchase to ensure a proper match.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Do these lug nuts fit wheel studs that are not M10x1.25?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: No. These are specifically M10 x 1.25 lug nuts; they will not fit studs with a different thread pitch or diameter.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Are a torque specification and installation tool included?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: The set includes a 6-spline socket key but not a torque wrench; use your vehicle’s torque specs and pattern when installing.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"AUTOPTIM","offers":[{"title":"Default Title","offer_id":55166834639191,"sku":"B0D1BGLRBK","price":35.09,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1050\/1524\/7191\/files\/autoptim-front-view-packaged-set.jpg?v=1790372229","url":"https:\/\/britishgarage.co.uk\/products\/autoptim-m10x1-25-atv-lug-nuts-16pc-black-6-spline-closed-end-heat-treated-steel","provider":"British Garage","version":"1.0","type":"link"}