{"product_id":"hillman-5-16-in-zinc-plated-steel-sae-hex-nut","title":"HILLMAN 5\/16 in. Zinc-Plated Steel SAE Hex Nut","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cstrong\u003eHillman 5\/16 in. Zinc-Plated Steel SAE Hex Nut\u003c\/strong\u003e is your go-to fastener for reliable, corrosion-resistant connections across a range of projects. Crafted from solid steel and finished with a robust zinc plating, these hex nuts resist rust and wear, even in damp or humid environments.\u003c\/p\u003e \u003cp\u003eKey attributes that matter in real-world use:\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eSize and thread\u003c\/strong\u003e: 5\/16\" callout size with a fine thread (SAE 5\/16-24). The finer pitch gives precise engagement and steadier torque, which helps prevent loosening in vibration-prone assemblies.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eStrength and material\u003c\/strong\u003e: Grade 5 steel nut designed for mid-range clamping force in everyday fabrications, from shelving and furniture assemblies to light machinery and automotive tweaks.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eFinish and durability\u003c\/strong\u003e: Zinc plating provides oxidation resistance and a smooth mating surface for bolts, reducing galling and corrosion over time.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePackaging\u003c\/strong\u003e: 100 pieces per boxed package, keeping quantities organized and ready for bulk jobs or shop kits.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWhy choose Hillman hex nuts? They pair seamlessly with compatible 5\/16\" bolts of the same SAE grade, delivering a reliable hold when you need it most. Whether you’re assembling a DIY furniture project, installing a new outdoor grill cart, or securing brackets in a metalwork project, these nuts deliver consistent threads and a clean, secure finish.\u003c\/p\u003e \u003cp\u003ePractical tips for best results:\u003c\/p\u003e \u003cul\u003e \u003cli\u003eCheck that bolt and nut threads match (5\/16-24 SAE) and that the bolt length provides at least 1-2 times the nut thickness of engagement for strong clamping.\u003c\/li\u003e \u003cli\u003eUse a locking method if the assembly experiences high vibration; consider thread locker for permanent installations, or a washer for load distribution on soft materials.\u003c\/li\u003e \u003cli\u003eStore in a dry place to maximize the zinc-coated finish and prevent corrosion between projects.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Hillman","offers":[{"title":"Default Title","offer_id":52197911494930,"sku":"5321872","price":10.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0928\/1024\/8466\/files\/5321872_LA.eps_High.jpg?v=1776205259","url":"https:\/\/nationalhardwaregroup.com\/products\/hillman-5-16-in-zinc-plated-steel-sae-hex-nut","provider":"National Hardware Group","version":"1.0","type":"link"}