{"product_id":"5655-black-spline-drive-lug-nut-12x1-5-thread-6-cut-spline-1-38-tall-60-conical-seat","title":"5655 Black Spline Drive Lug Nut – 12x1.5 Thread, 6-Cut Spline, 1.38\" Tall, 60° Conical Seat","description":"\u003cp\u003eThe \u003cstrong\u003e5655\u003c\/strong\u003e is a 12x1.50 chrome spline drive lug nut with a \u003cstrong\u003e6-cut spline drive\u003c\/strong\u003e, \u003cstrong\u003e1.38\" overall height\u003c\/strong\u003e, and a \u003cstrong\u003e60° conical seat\u003c\/strong\u003e. Chrome-plated steel construction delivers secure, tuner-style wheel mounting on passenger car factory and aftermarket wheels.\u003c\/p\u003e\n\u003cp\u003eThe slim 6-cut spline body measures just 0.810\" across, clearing tight and recessed lug holes where a standard hex nut will not fit, and installs with a matching spline key instead of a socket. Sold individually, in 50-piece boxes, or 300-piece cases for shops and wholesale customers.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e12x1.50 right-hand thread for M12 x 1.50 studs\u003c\/li\u003e\n\u003cli\u003e6-cut spline drive — requires a 6-spline key (see \u003ca href=\"https:\/\/www.tiresupplypro.com\/products\/c-horse-6-spline-lug-nut-key-steel-wheel-lock-tool-3-4-13-16-hex-3-52-length\"\u003e5699SK 6-Cut Spline Key\u003c\/a\u003e)\u003c\/li\u003e\n\u003cli\u003e60° conical (tapered) seat — standard on most aftermarket wheels\u003c\/li\u003e\n\u003cli\u003e1.38\" overall height, sized for passenger car applications\u003c\/li\u003e\n\u003cli\u003e0.810\" spline body diameter, 0.570\" seat diameter\u003c\/li\u003e\n\u003cli\u003eChrome-plated steel resists corrosion\u003c\/li\u003e\n\u003cli\u003eAvailable 1 PCS, 50 PCS per box, or 300 PCS per case\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003ePart Number\u003c\/td\u003e\n\u003ctd\u003e5655\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eC-HORSE\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eThread Size\u003c\/td\u003e\n\u003ctd\u003e12x1.50 (M12 x 1.5)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eThread Direction\u003c\/td\u003e\n\u003ctd\u003eRight-hand\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDrive Type\u003c\/td\u003e\n\u003ctd\u003e6-cut spline drive\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOverall Height\u003c\/td\u003e\n\u003ctd\u003e1.38\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpline Body Diameter\u003c\/td\u003e\n\u003ctd\u003e0.810\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeat Diameter\u003c\/td\u003e\n\u003ctd\u003e0.570\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeat Type\u003c\/td\u003e\n\u003ctd\u003e60° conical \/ tapered\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApplication\u003c\/td\u003e\n\u003ctd\u003ePassenger car\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003eSteel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFinish\u003c\/td\u003e\n\u003ctd\u003eChrome-plated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpline Key Included\u003c\/td\u003e\n\u003ctd\u003eNo — order 5699SK separately\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePackaging\u003c\/td\u003e\n\u003ctd\u003e1 PCS \/ 50 per box \/ 300 per case\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eFitment Confirmation Checklist\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003eStud thread is 12x1.50 (M12 x 1.5), right-hand\u003c\/li\u003e\n\u003cli\u003eWheel seat is 60° conical \/ tapered — not ball\/radius or flat\u003c\/li\u003e\n\u003cli\u003eLug hole accepts a 0.810\" diameter spline body\u003c\/li\u003e\n\u003cli\u003e1.38\" height clears center caps and trim rings\u003c\/li\u003e\n\u003cli\u003eA 6-cut spline key is on hand or ordered with the nuts\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003ch3\u003eInstallation \u0026amp; Torque Guidance\u003c\/h3\u003e\n\u003cp\u003eInstall using the \u003ca href=\"https:\/\/www.tiresupplypro.com\/products\/c-horse-6-spline-lug-nut-key-steel-wheel-lock-tool-3-4-13-16-hex-3-52-length\"\u003e5699SK 6-cut spline key\u003c\/a\u003e with a standard socket or wrench over the key. Hand-thread each nut first to prevent cross-threading, then tighten in a star pattern to the vehicle manufacturer's torque specification with a calibrated torque wrench. Re-torque after 50–100 miles. Do not use an impact wrench directly on the spline key. Professional installation is recommended.\u003c\/p\u003e\n\u003ch3\u003eFAQs\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWhat thread does this fit?\u003c\/strong\u003e\u003cbr\u003e12x1.50 right-hand thread, also written as M12 x 1.5.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat tool do I need?\u003c\/strong\u003e\u003cbr\u003eA 6-cut spline key — part \u003ca href=\"https:\/\/www.tiresupplypro.com\/products\/c-horse-6-spline-lug-nut-key-steel-wheel-lock-tool-3-4-13-16-hex-3-52-length\" title=\"5699SK 6-Cut Spline Key\"\u003e5699SK\u003c\/a\u003e. A standard lug socket will not drive this nut.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWill these work on aftermarket wheels?\u003c\/strong\u003e\u003cbr\u003eYes, on wheels with 60° conical seats and 12x1.50 studs. Always verify the wheel manufacturer's specifications.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow many do I need?\u003c\/strong\u003e\u003cbr\u003eMost vehicles use 4–8 nuts per wheel. Count your studs, multiply by four, and add spares.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs a key included?\u003c\/strong\u003e\u003cbr\u003eNo. Order the 5699SK spline key separately.\u003c\/p\u003e","brand":"C-HORSE","offers":[{"title":"1 PCS","offer_id":49051139408055,"sku":null,"price":0.0,"currency_code":"USD","in_stock":false},{"title":"50 PCS \/ 1 Box","offer_id":49051139440823,"sku":null,"price":0.0,"currency_code":"USD","in_stock":false},{"title":"300 PCS \/ 1 Case","offer_id":49051139473591,"sku":null,"price":0.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0647\/5461\/4455\/files\/ChatGPT_Image_Aug_25_2026_01_18_28_AM.png?v=1787645929","url":"https:\/\/www.tiresupplypro.com\/products\/5655-black-spline-drive-lug-nut-12x1-5-thread-6-cut-spline-1-38-tall-60-conical-seat","provider":"Tire Supply Pro","version":"1.0","type":"link"}