{"product_id":"autoptim-m12x1-25-open-end-lug-nuts-20pc-chrome-60-conical-seat-3-4-hex","title":"AUTOPTIM M12x1.25 Open-End Lug Nuts 20pc Chrome — 60° Conical Seat, 3\/4\" Hex","description":"\u003cp\u003e\u003cstrong\u003eAUTOPTIM M12x1.25 open end lug nuts are a 20-piece chrome, conical-seat replacement set engineered for reliable wheel fitment across many Nissan, Subaru and select Suzuki models.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis 20-piece set of M12x1.25 lug nuts by AUTOPTIM offers a one-piece, open-end design finished in triple chrome plating. Built from cold-forged, heat-treated steel and tested with a 72-hour salt-spray trial, these nuts are sized for a 60° conical seat and use a 3\/4\" (19mm) hex drive. They are intended as aftermarket wheel fasteners where the OEM thread and seat specification match, providing a durable, corrosion-resistant option for daily drivers and enthusiast vehicles alike.\u003c\/p\u003e\n\n\u003ch3\u003eWhich cars will these lug nuts fit?\u003c\/h3\u003e\n\u003cp\u003eThese AUTOPTIM lug nuts are specified for M12x1.25 threads with a 60° conical seat, which matches many Nissan, Subaru and a few Suzuki applications. Fitment depends on hub stud size, seat type and clearance for a 0.84\" (21mm) nut height; always compare dimensions with your OEM parts.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eNissan: 300ZX, 240SX, 350Z, 370Z, Sentra, LEAF, Altima, GT-R, Maxima (various years noted).\u003c\/li\u003e\n  \u003cli\u003eSubaru: BRZ, Crosstrek, Forester, Impreza, Legacy, Outback, WRX, WRX STI and others listed.\u003c\/li\u003e\n  \u003cli\u003eSome Suzuki models such as Kizashi when M12x1.25 is specified.\u003c\/li\u003e\n  \u003cli\u003eConfirm stud thread pitch, seat angle and wheel clearance before installation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow durable and corrosion-resistant are these lug nuts?\u003c\/h3\u003e\n\u003cp\u003eAUTOPTIM manufactures these lug nuts with cold-forging and heat treatment, then applies a triple-chrome finish to resist wear and rust. The set undergoes a 72-hour salt-spray test that simulates long-term exposure to corrosive environments, helping ensure consistent performance in everyday conditions.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCold-forged steel core for increased strength and crack resistance.\u003c\/li\u003e\n  \u003cli\u003eTriple chrome plating for enhanced corrosion protection and shine.\u003c\/li\u003e\n  \u003cli\u003e72-hour salt-spray trial approximates multi-year environmental exposure.\u003c\/li\u003e\n  \u003cli\u003eOpen-end design allows use with longer wheel studs or locking lug nuts.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat are the key dimensions and installation notes?\u003c\/h3\u003e\n\u003cp\u003eEach nut uses an M12x1.25 thread, 60° conical seat, 3\/4\" (19mm) hex, with an overall height of 0.84\" (21mm) and a width of 0.9\" (23mm). Because these are open-end lug nuts, they accommodate extended studs and allow the use of locking lug nuts with internal shanks.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eThread: M12x1.25 — verify against vehicle stud pitch.\u003c\/li\u003e\n  \u003cli\u003eSeat: 60° conical — must match wheel seat geometry for safe clamping.\u003c\/li\u003e\n  \u003cli\u003eDrive: 3\/4\" (19mm) hex — use a properly sized socket or torque wrench.\u003c\/li\u003e\n  \u003cli\u003eHeight \u0026amp; width: 0.84\" (21mm) height, 0.9\" (23mm) width — check wheel clearance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eDo these lug nuts require any special maintenance or service?\u003c\/h3\u003e\n\u003cp\u003eRoutine inspection and correct torqueing are the main maintenance points for any wheel fastener. AUTOPTIM provides 12 months of customer support if you encounter fitment questions or post-purchase issues.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eInspect for corrosion or damage during regular wheel service intervals.\u003c\/li\u003e\n  \u003cli\u003eUse a calibrated torque wrench and the vehicle manufacturer’s torque specification.\u003c\/li\u003e\n  \u003cli\u003eReplace any lug nut that shows cracking, stripped threads, or severe plating loss.\u003c\/li\u003e\n  \u003cli\u003eContact AUTOPTIM customer service within 12 months for assistance if needed.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: The AUTOPTIM M12x1.25 20-piece open end lug nut set is suited to car owners and mechanics who need compatible aftermarket fasteners for Nissan, Subaru and select Suzuki models that use an M12x1.25, 60° conical seat. It’s a practical choice for drivers seeking a corrosion-tested, chrome-finished nut set that accepts extended studs or locking lug accessories. Always confirm thread pitch, seat type and clearance before purchase to ensure a safe match for your wheels and vehicle.\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: Are these lug nuts the right thread size for my car?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: These are M12x1.25 threads with a 60° conical seat—verify your vehicle’s stud pitch and seat type before buying.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can I use these with wheel locks or extended studs?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes—open-end design accommodates extended studs and compatible locking lug nuts; confirm internal clearance first.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"AUTOPTIM","offers":[{"title":"Default Title","offer_id":67595562418361,"sku":"B0D9N49TW7","price":54.6,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0822\/3765\/3177\/files\/autoptim-front-packaging-lug-nuts_2f7d4d7e-a4c4-4590-a6f3-c69987761dbd.jpg?v=1790589656","url":"https:\/\/redleafauto.ca\/products\/autoptim-m12x1-25-open-end-lug-nuts-20pc-chrome-60-conical-seat-3-4-hex","provider":"Redleaf Auto","version":"1.0","type":"link"}