{"product_id":"imperial-unf-cap-head-bolt","title":"Imperial UNF Cap Head Bolt – High Tensile 12.9","description":"\u003cp\u003e\u003cstrong\u003eSold individually – the price shown is for one bolt.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cdiv style=\"border:1px solid #e5e5e5;border-left:4px solid #d0021b;border-radius:8px;padding:12px 20px;margin:12px 0 20px;background:#fafafa\"\u003e\n\u003cstrong\u003eBuy more, save more\u003c\/strong\u003e – mix and match across our Nuts, Bolts \u0026amp; Fasteners range: \u003cstrong\u003e50+ items 5% off\u003c\/strong\u003e · \u003cstrong\u003e100+ items 7.5% off\u003c\/strong\u003e · \u003cstrong\u003e250+ items 10% off\u003c\/strong\u003e. Applied automatically in your basket.\u003c\/div\u003e\n\u003cp\u003eGrade 12.9 high-tensile socket cap head bolts with fine UNF threads. 12.9 is the highest common strength grade for alloy steel bolts, so these suit brackets, mounts and chassis parts where a standard bolt is not strong enough. The compact cylindrical head is tightened with an Allen (hex) key, ideal where there is no room for a spanner.\u003c\/p\u003e\n\u003ch2\u003eHow to choose\u003c\/h2\u003e\n\u003cdiv style=\"display:flex;flex-wrap:wrap;gap:16px;margin:16px 0 24px\"\u003e\n\u003cdiv style=\"flex:1 1 240px;border:1px solid #e5e5e5;border-left:4px solid #d0021b;border-radius:8px;padding:16px 20px;box-shadow:0 1px 3px rgba(0,0,0,.06)\"\u003e\n\u003cstrong\u003eStep 1 – Thread\u003c\/strong\u003e\u003cp style=\"margin:8px 0 0\"\u003e10\/32 = 10-32 UNF (approx. 3\/16\")\u003cbr\u003e1\/4 = 1\/4\"-28 UNF\u003cbr\u003e5\/16 = 5\/16\"-24 UNF\u003cbr\u003e3\/8 = 3\/8\"-24 UNF\u003cbr\u003e7\/16 = 7\/16\"-20 UNF\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 240px;border:1px solid #e5e5e5;border-left:4px solid #111;border-radius:8px;padding:16px 20px;box-shadow:0 1px 3px rgba(0,0,0,.06)\"\u003e\n\u003cstrong\u003eStep 2 – Length\u003c\/strong\u003e\u003cp style=\"margin:8px 0 0\"\u003eLengths are in inches, measured from under the head to the tip. Add up the thickness of everything being clamped, plus the nut, and allow 2–3 threads showing past the nut.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch2\u003eLength conversion\u003c\/h2\u003e\n\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eListed as\u003c\/th\u003e\n\u003cth\u003eFraction\u003c\/th\u003e\n\u003cth\u003eApprox. mm\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e.375\"\u003c\/td\u003e\n\u003ctd\u003e3\/8\"\u003c\/td\u003e\n\u003ctd\u003e9.5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e.500\"\u003c\/td\u003e\n\u003ctd\u003e1\/2\"\u003c\/td\u003e\n\u003ctd\u003e12.7\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e.625\"\u003c\/td\u003e\n\u003ctd\u003e5\/8\"\u003c\/td\u003e\n\u003ctd\u003e15.9\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e.750\"\u003c\/td\u003e\n\u003ctd\u003e3\/4\"\u003c\/td\u003e\n\u003ctd\u003e19.1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1.000\"\u003c\/td\u003e\n\u003ctd\u003e1\"\u003c\/td\u003e\n\u003ctd\u003e25.4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1.250\"\u003c\/td\u003e\n\u003ctd\u003e1-1\/4\"\u003c\/td\u003e\n\u003ctd\u003e31.8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1.500\"\u003c\/td\u003e\n\u003ctd\u003e1-1\/2\"\u003c\/td\u003e\n\u003ctd\u003e38.1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1.750\"\u003c\/td\u003e\n\u003ctd\u003e1-3\/4\"\u003c\/td\u003e\n\u003ctd\u003e44.5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2.000\"\u003c\/td\u003e\n\u003ctd\u003e2\"\u003c\/td\u003e\n\u003ctd\u003e50.8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2.250\"\u003c\/td\u003e\n\u003ctd\u003e2-1\/4\"\u003c\/td\u003e\n\u003ctd\u003e57.2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2.500\"\u003c\/td\u003e\n\u003ctd\u003e2-1\/2\"\u003c\/td\u003e\n\u003ctd\u003e63.5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2.750\"\u003c\/td\u003e\n\u003ctd\u003e2-3\/4\"\u003c\/td\u003e\n\u003ctd\u003e69.9\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e3.000\"\u003c\/td\u003e\n\u003ctd\u003e3\"\u003c\/td\u003e\n\u003ctd\u003e76.2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e3.500\"\u003c\/td\u003e\n\u003ctd\u003e3-1\/2\"\u003c\/td\u003e\n\u003ctd\u003e88.9\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e4.000\"\u003c\/td\u003e\n\u003ctd\u003e4\"\u003c\/td\u003e\n\u003ctd\u003e101.6\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003eNot every length is available in every thread – unavailable combinations are greyed out above.\u003c\/p\u003e\n\u003ch2\u003eFrequently asked questions\u003c\/h2\u003e\n\u003ch3\u003eIs the price per bolt or per pack?\u003c\/h3\u003e\u003cp\u003ePer bolt. Set the quantity to the number you need.\u003c\/p\u003e\n\u003ch3\u003eWhich nut should I use?\u003c\/h3\u003e\u003cp\u003eOur AN Quality Nyloc nuts match these UNF threads.\u003c\/p\u003e\n\u003ch3\u003eCan I order this if it shows as out of stock?\u003c\/h3\u003e\u003cp\u003eYes. We will confirm the expected lead time after you order.\u003c\/p\u003e","brand":"Race Rally Supplies","offers":[{"title":"10\/32 \/ .375\"","offer_id":55909421482313,"sku":"RP-020375CF","price":0.18,"currency_code":"GBP","in_stock":true},{"title":"10\/32 \/ .500\"","offer_id":55909421515081,"sku":"RP-020500CF","price":0.18,"currency_code":"GBP","in_stock":true},{"title":"10\/32 \/ .625\"","offer_id":55909421547849,"sku":"RP-020625CF","price":0.18,"currency_code":"GBP","in_stock":true},{"title":"10\/32 \/ .750\"","offer_id":55909421580617,"sku":"RP-020750CF","price":0.18,"currency_code":"GBP","in_stock":true},{"title":"10\/32 \/ 1.000\"","offer_id":55909421613385,"sku":"RP-021000CF","price":0.18,"currency_code":"GBP","in_stock":true},{"title":"10\/32 \/ 1.250\"","offer_id":55909421646153,"sku":"RP-021250CF","price":0.18,"currency_code":"GBP","in_stock":true},{"title":"10\/32 \/ 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