{"product_id":"autoptim-m14x1-5-spline-lug-nuts-32pc-long-2-black-closed-end-security-socket-included","title":"AUTOPTIM M14x1.5 Spline Lug Nuts 32pc - Long 2\" Black Closed-End, Security Socket Included","description":"\u003cp\u003e\u003cstrong\u003eThese AUTOPTIM M14 x 1.5 spline lug nuts are a 32-piece, one-piece steel set with a security spline design and included socket, built to fit many heavy-duty truck wheels and resist rust.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eIf you need a complete wheel-lug replacement kit for heavy-duty trucks, this AUTOPTIM set supplies long, closed-end acorn lug nuts that match M14 x 1.5 threads and a 60° seat. The nuts are cold-forged, heat-treated steel with a corrosion-resistant finish and include a dedicated splined socket key to deter theft and ensure correct tightening.\u003c\/p\u003e\n\n\u003ch3\u003eWill these lug nuts fit my truck model?\u003c\/h3\u003e\n\u003cp\u003eThey are specified for many heavy-duty pickups and HD trucks that use M14 x 1.5 threads and a 60° acorn seat. Always check your vehicle's original lug nut seat and thread pitch before ordering to confirm compatibility.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eThread: M14 x 1.5\u003c\/li\u003e\n  \u003cli\u003eSeat: 60° acorn (bulge\/closed end)\u003c\/li\u003e\n  \u003cli\u003eLength: 2\" (50 mm); hex: 3\/4\" (19 mm)\u003c\/li\u003e\n  \u003cli\u003eIncluded: 32 lug nuts + one splined socket key\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow secure and theft-resistant are these spline lug nuts?\u003c\/h3\u003e\n\u003cp\u003eThese are one-piece, splined lug nuts with a seven-spline safety pattern that requires the supplied socket key to properly torque them. The one-piece construction is more stable than two-piece designs and reduces the risk of loosening or accidental separation.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eOne-piece solid construction for stability\u003c\/li\u003e\n  \u003cli\u003e7-spline safety pattern prevents standard wrenches from fitting\u003c\/li\u003e\n  \u003cli\u003eSupplied socket key is required for proper installation and removal\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow durable and corrosion-resistant is the finish?\u003c\/h3\u003e\n\u003cp\u003eManufactured from cold-forged, heat-treated steel, these lug nuts are engineered for strength under heavy loads. A chrome plating improves resistance to rust and corrosion; the finish has passed standardized salt spray testing to extend service life in harsh conditions.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCold-forged, heat-treated steel core for high strength\u003c\/li\u003e\n  \u003cli\u003eChrome-plated surface for improved rust resistance\u003c\/li\u003e\n  \u003cli\u003eSalt spray tested to help withstand corrosive environments\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow easy is installation and what tools come with the kit?\u003c\/h3\u003e\n\u003cp\u003eThe set arrives with a dedicated splined socket key sized to the lug nuts, so you have the specialty tool needed for secure fitting. Use a torque wrench set to the vehicle manufacturer's wheel torque spec to avoid overtightening; do not rely on the socket alone for final torque.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e32 lug nuts plus one splined socket included\u003c\/li\u003e\n  \u003cli\u003eUse with a torque wrench to manufacturer torque specs\u003c\/li\u003e\n  \u003cli\u003eClosed-end design helps protect studs and threads from debris\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho this is for: This AUTOPTIM M14 x 1.5 spline lug nut set is intended for owners and technicians of heavy-duty trucks — including RAM 2500\/3500, GMC Sierra 2500\/3500 HD, Chevy Silverado 1500\/2500\/3500 HD, and Ford F250\/F350 Super Duty models that share the M14 x 1.5 thread and 60° acorn seat. It suits fleet managers, off-road operators, and any driver who wants a durable, theft-resistant one-piece lug nut upgrade. Remember to confirm your vehicle's lug nut seat type and thread pitch before purchase; contact AUTOPTIM customer service for fitment guidance or if you need assistance during installation.\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 my RAM 3500?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: If your RAM 3500 uses M14 x 1.5 threads and a 60° acorn seat, these will fit. Verify the seat type and thread pitch before buying.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is the splined socket included?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes — the kit includes one splined socket key required to install and remove the lug nuts.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"AUTOPTIM","offers":[{"title":"Default Title","offer_id":67587868590265,"sku":"B0BVVQVXC7","price":92.16,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0822\/3765\/3177\/files\/autoptim-front-pack-32pcs.jpg?v=1790515643","url":"https:\/\/redleafauto.ca\/products\/autoptim-m14x1-5-spline-lug-nuts-32pc-long-2-black-closed-end-security-socket-included","provider":"Redleaf Auto","version":"1.0","type":"link"}