{"product_id":"5321492-hillman-5-16-in-zinc-plated-steel-uss-whiz-lock-nut-100-pk","title":"Hillman 5\/16 in. Zinc-Plated Steel USS Whiz Lock Nut, 100-Pack","description":"\u003ch1\u003e5\/16 in. Zinc-Plated USS Whiz Lock Nut (100-Pack)\u003c\/h1\u003e\n    \u003cp\u003e\u003cstrong\u003eSecure assemblies with these Hillman USS Whiz lock nuts. Made from zinc-plated steel for corrosion resistance, they feature integrated serrations that bite into the mating surface to resist loosening from vibration. Ideal for general construction, automotive, and machinery applications using 5\/16-18 threads.\u003c\/strong\u003e\u003c\/p\u003e\n    \u003chr\u003e\n    \u003ch2\u003eKey Features:\u003c\/h2\u003e\n    \u003cul\u003e\n        \u003cli\u003e\n\u003cstrong\u003eVibration Resistance:\u003c\/strong\u003e Built-in serrations provide strong locking action without separate washers\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable Build:\u003c\/strong\u003e Zinc-plated steel resists rust and wear for indoor\/outdoor use\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUSS Threading:\u003c\/strong\u003e 5\/16-18 coarse threads for common fastening applications\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlange Design:\u003c\/strong\u003e Distributes load and helps protect mating surfaces\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBulk Value:\u003c\/strong\u003e 100-pack for jobsites, shops, and replenishing inventory\u003c\/li\u003e\n    \u003c\/ul\u003e\n    \n    \u003chr\u003e\n    \u003ch2\u003eSpecifications Table:\u003c\/h2\u003e\n    \u003ctable\u003e\n        \u003cthead\u003e\n            \u003ctr\u003e\n                \u003cth\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/th\u003e\n                \u003cth\u003e\u003cstrong\u003eDetails\u003c\/strong\u003e\u003c\/th\u003e\n            \u003c\/tr\u003e\n        \u003c\/thead\u003e\n        \u003ctbody\u003e\n            \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePack Quantity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e100\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eThread Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e5\/16-18 (USS coarse)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eType\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eWhiz lock nut \/ Serrated flange lock nut\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSteel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFinish\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eZinc-plated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHillman\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003c\/tbody\u003e\n    \u003c\/table\u003e\n    \u003chr\u003e\n    \u003ch2\u003eFrequently Asked Questions (FAQ):\u003c\/h2\u003e\n    \n    \u003cp\u003e\u003cstrong\u003eQ: What thread size are these nuts?\u003c\/strong\u003e\u003cbr\u003e\n    \u003cstrong\u003eA:\u003c\/strong\u003e They are 5\/16-18 (USS coarse thread).\u003c\/p\u003e\n    \u003chr\u003e\n    \n    \u003cp\u003e\u003cstrong\u003eQ: Do I need a separate lock washer?\u003c\/strong\u003e\u003cbr\u003e\n    \u003cstrong\u003eA:\u003c\/strong\u003e No. The serrated flange provides the locking action, eliminating the need for a lock washer in most applications.\u003c\/p\u003e\n    \u003chr\u003e\n    \n    \u003cp\u003e\u003cstrong\u003eQ: Are these suitable for outdoor use?\u003c\/strong\u003e\u003cbr\u003e\n    \u003cstrong\u003eA:\u003c\/strong\u003e Yes. The zinc plating offers corrosion resistance; for harsh or marine environments, consider stainless or higher-grade coatings.\u003c\/p\u003e\n    \u003chr\u003e\n    \n    \u003cp\u003e\u003cstrong\u003eQ: Can these be used with slotted or oversized holes?\u003c\/strong\u003e\u003cbr\u003e\n    \u003cstrong\u003eA:\u003c\/strong\u003e The flange helps distribute load, but for oversized holes ensure proper washer or hardware as needed.\u003c\/p\u003e\n    \u003chr\u003e\n    \n    \u003cp\u003e\u003cstrong\u003eQ: What tools are required?\u003c\/strong\u003e\u003cbr\u003e\n    \u003cstrong\u003eA:\u003c\/strong\u003e Install with a standard wrench or socket sized for the hex across flats.\u003c\/p\u003e\n    \u003chr\u003e\n    \n    \u003ch2\u003eIndustrial Grip with a Clean, Polished Finish\u003c\/h2\u003e\n    \u003cp\u003eThis serrated flange nut adds a sleek, utilitarian note to hardware details, catching the light with its zinc sheen. I love how the integrated flange creates a crisp, purposeful silhouette while delivering serious hold. Style it on exposed hardware moments—think garage shelving or workshop fixtures—for a refined, engineered look. It’s a small luxury in the language of precision.\u003c\/p\u003e\n    \n    \u003chr\u003e\n    \u003cp\u003e\u003cstrong\u003eLock in reliable hold—add this 100-pack of 5\/16-18 zinc-plated Whiz lock nuts to your toolkit today.\u003c\/strong\u003e\u003c\/p\u003e","brand":"Hillman","offers":[{"title":"Default Title","offer_id":48991913935062,"sku":"180397","price":14.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0778\/5244\/2838\/files\/580234df8ab63afebbf7bf1957086a4e.jpg?v=1783639259","url":"https:\/\/waybilt.com\/products\/5321492-hillman-5-16-in-zinc-plated-steel-uss-whiz-lock-nut-100-pk","provider":"Buildsupply","version":"1.0","type":"link"}