{"product_id":"8020-stainless-black-equivalent-3607-5-16-18-x-687-flanged-button-head-socket-cap-screw","title":"80\/20 Black Stainless Flanged Button Head Screw - 5\/16-18 x .687\" (3607 Equivalent)","description":"\u003cp\u003e\u003cstrong\u003eBlack stainless, with blue threadlocker already on the threads. The bolt to use where it will be seen and where it will get wet.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eTwo upgrades over the plain zinc version, and both matter on an exterior rack. First, black-coated stainless steel: it resists corrosion where a zinc bolt eventually will not, and it disappears against a black rack instead of glinting.\u003c\/p\u003e\n\u003cp\u003eSecond, and more usefully, blue threadlocker is pre-applied. That is a removable-strength threadlocker, so the bolt stays put through years of vibration but still comes out with a hex key when you want to change something. You do not have to remember to bring a bottle of Loctite up a ladder.\u003c\/p\u003e\n\u003ch2\u003eWhat it is for\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eExterior roof rack and ladder hardware where corrosion and vibration both matter.\u003c\/li\u003e\n\u003cli\u003eAnywhere the fastener is visible and you want a black finish.\u003c\/li\u003e\n\u003cli\u003eAny joint you would otherwise have to threadlock by hand.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eCompatibility\u003c\/h2\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eExtrusion\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e15 series 80\/20 and equivalent\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eThread\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e5\/16-18\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eLength\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e.687\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePairs with\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e5\/16-18 stainless T-nuts\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eEquivalent to\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e80\/20 part 3607\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003cp\u003eThe 15 series is the 1.5 inch profile — the size almost every van roof rack and interior framing system is built from. If your extrusion measures 1.5 in across the face and takes a 5\/16-18 fastener, this is your hardware.\u003c\/p\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBlack-coated stainless steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eHead\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eFlanged button head socket cap\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eThread\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e5\/16-18\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eLength\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e.687\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eThreadlocker\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBlue, pre-applied\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eEquivalent part\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e80\/20 3607\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ch2\u003eWhat's included\u003c\/h2\u003e\n\u003cul\u003e\u003cli\u003e(1) 5\/16-18 × .687\" black-coated stainless flanged button head socket cap screw with blue threadlocker pre-applied\u003c\/li\u003e\u003c\/ul\u003e\n\u003ch2\u003eWorking with it\u003c\/h2\u003e\n\u003cp\u003ePre-applied threadlocker works once properly and less well the second time. If you back a bolt out and reinstall it, add a drop of fresh blue threadlocker rather than trusting what is left on the threads.\u003c\/p\u003e\n\u003cp\u003eAnti-seize and threadlocker do opposite jobs — do not use both on the same fastener. On stainless into stainless, the threadlocker also acts as an anti-galling lubricant during assembly, which is a useful side effect.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ePre-applied blue threadlocker: removable strength, resists vibration.\u003c\/li\u003e\n\u003cli\u003eReinstalling? Add fresh threadlocker. The original is spent.\u003c\/li\u003e\n\u003cli\u003eDo not add anti-seize on top of the threadlocker.\u003c\/li\u003e\n\u003cli\u003eFull torque within the threadlocker’s working time — do not snug it and come back tomorrow.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eQuestions we get asked\u003c\/h2\u003e\n\u003ch3\u003eHow do I know if my extrusion is 15 series?\u003c\/h3\u003e\n\u003cp\u003eMeasure across the flat face of the profile. A 15 series extrusion is 1.5 in wide (or a multiple — 1.5 × 3.0, and so on) and the T-slot takes a 5\/16-18 fastener. If your rack came from Unaka, 80\/20 Inc., or most van rack makers in North America, it is 15 series.\u003c\/p\u003e\n\u003ch3\u003eIs blue threadlocker removable?\u003c\/h3\u003e\n\u003cp\u003eYes. Blue is the medium-strength, hand-tool-removable grade. Red is the permanent one that needs heat. On a rack you want blue — you will want to move something eventually.\u003c\/p\u003e\n\u003ch3\u003eIs it worth the extra over the zinc version?\u003c\/h3\u003e\n\u003cp\u003eOn an exterior rack in a place that salts its roads, yes, without hesitation. Inside the van under a bed frame, the zinc bolt is fine.\u003c\/p\u003e\n\u003ch2\u003ePairs well with\u003c\/h2\u003e\n\u003cul\u003e\u003cli\u003e\u003ca href=\"\/collections\/van-life-parts\"\u003eVan roof rack, ladder and 80\/20 hardware\u003c\/a\u003e\u003c\/li\u003e\u003c\/ul\u003e\n\u003cp\u003eSold and shipped by Campervan Parts R Us, the parts counter of Noke Van Co. — a working van conversion shop in Roanoke, Virginia. If you are unsure whether this fits your van, email us the year, model and wheelbase and we will check it against a build sheet before you order.\u003c\/p\u003e","brand":"Unaka Gear Co.","offers":[{"title":"Default Title","offer_id":51849985196317,"sku":"3607-BO","price":1.28,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0704\/5831\/0941\/files\/IMG_3851.png?v=1780690576","url":"https:\/\/campervanpartsrus.com\/products\/8020-stainless-black-equivalent-3607-5-16-18-x-687-flanged-button-head-socket-cap-screw","provider":"Noke Van Co","version":"1.0","type":"link"}