{"product_id":"arp-644-1000-3-8in-16-12pt-black-oxide-bolts","title":"ARP 3\/8in-16 x 1.000 12pt 7\/16 Wrenching Black Oxide Bolts (5\/pkg)","description":"\u003ch4\u003ePrecision Fasteners Built for High Stress Automotive Applications\u003c\/h4\u003e\u003cp\u003eThe ARP 644-1000 12-point bolt set delivers the strength and consistency needed for critical automotive fastening applications. ARP644-1000 measures 3\/8in-16 thread by 1.000in length with a 7\/16in 12-point wrenching head, finished in durable black oxide. Each package includes 5 bolts, making ARP644-1000 a practical choice for engine building, suspension work, and other performance fastening needs where a stock bolt is not strong enough.\u003c\/p\u003e\u003ch4\u003eKey Features\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e3\/8in-16 thread, 1.000in length\u003c\/li\u003e\n\u003cli\u003e12-point wrenching head design\u003c\/li\u003e\n\u003cli\u003eBlack oxide finish for corrosion resistance\u003c\/li\u003e\n\u003cli\u003eSet of 5 bolts per package\u003c\/li\u003e\n\u003cli\u003eManufactured to ARP's high strength standards\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eSpecifications\u003c\/h4\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eDetail\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMPN\u003c\/td\u003e\n\u003ctd\u003e644-1000\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eThread Size\u003c\/td\u003e\n\u003ctd\u003e3\/8in-16\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLength\u003c\/td\u003e\n\u003ctd\u003e1.000in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWrenching\u003c\/td\u003e\n\u003ctd\u003e12-Point, 7\/16in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFinish\u003c\/td\u003e\n\u003ctd\u003eBlack Oxide\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eQuantity\u003c\/td\u003e\n\u003ctd\u003e5 Bolts\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch4\u003eWhat's Included\u003c\/h4\u003e\u003cul\u003e\u003cli\u003eFive ARP644-1000 12-point bolts\u003c\/li\u003e\u003c\/ul\u003e\u003ch4\u003eAbout ARP\u003c\/h4\u003e\u003cp\u003eARP manufactures premium fasteners for racing and performance applications, producing bolts and studs engineered to handle the stress of high performance engines and drivetrains.\u003c\/p\u003e\u003ch4\u003eFAQ\u003c\/h4\u003e\u003cstrong\u003eWhat is the ARP644-1000?\u003c\/strong\u003e\u003cp\u003eThe ARP644-1000 is a set of 5 ARP 3\/8in-16 x 1.000in 12-point black oxide bolts designed for high stress automotive applications.\u003c\/p\u003e\u003cstrong\u003eWhat thread size is ARP644-1000?\u003c\/strong\u003e\u003cp\u003eARP644-1000 uses a 3\/8in-16 thread pitch.\u003c\/p\u003e\u003cstrong\u003eHow long is ARP644-1000?\u003c\/strong\u003e\u003cp\u003eARP644-1000 measures 1.000 inch in length.\u003c\/p\u003e\u003cstrong\u003eHow many bolts come in a package of ARP644-1000?\u003c\/strong\u003e\u003cp\u003eARP644-1000 includes 5 bolts per package.\u003c\/p\u003e\u003cstrong\u003eWhat wrenching size does ARP644-1000 use?\u003c\/strong\u003e\u003cp\u003eARP644-1000 uses a 7\/16in 12-point wrenching head.\u003c\/p\u003e\u003cstrong\u003eWhat finish does ARP644-1000 have?\u003c\/strong\u003e\u003cp\u003eARP644-1000 has a black oxide finish for improved corrosion resistance.\u003c\/p\u003e\u003cstrong\u003eWhat applications is ARP644-1000 used for?\u003c\/strong\u003e\u003cp\u003eARP644-1000 is commonly used in engine building, suspension work, and other performance fastening applications.\u003c\/p\u003e\u003cstrong\u003eAre ARP644-1000 bolts reusable?\u003c\/strong\u003e\u003cp\u003eARP recommends inspecting fasteners like ARP644-1000 for stretch or damage before reuse in critical applications.\u003c\/p\u003e\u003ch4\u003eInstall Instructions\u003c\/h4\u003e\u003col\u003e\n\u003cli\u003eClean and inspect the threaded bore before installation\u003c\/li\u003e\n\u003cli\u003eApply ARP thread lubricant to ARP644-1000 threads\u003c\/li\u003e\n\u003cli\u003eThread ARP644-1000 into position by hand to start\u003c\/li\u003e\n\u003cli\u003eTorque ARP644-1000 to the specification required for your application\u003c\/li\u003e\n\u003cli\u003eVerify proper torque with a calibrated torque wrench\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"ARP","offers":[{"title":"Default Title","offer_id":46075440136271,"sku":"ARP644-1000","price":13.36,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1062\/7920\/files\/arp-644-1000-black-oxide-12-point-bolts.png?v=1784305230","url":"https:\/\/www.blackopsautoworks.com\/products\/arp-644-1000-3-8in-16-12pt-black-oxide-bolts","provider":"Black Ops Auto Works","version":"1.0","type":"link"}