{"product_id":"hillman-no-1-4-20-in-x-4-in-l-phillips-flat-head-zinc-plated-steel-machine-screws-100-pk","title":"HILLMAN No. 1\/4-20 in. X 4 in. L Phillips Flat Head Zinc-Plated Steel Machine Screws 100 pk","description":"\u003cdiv\u003e\n\u003cp\u003eIntroducing the Hillman No. 1\/4-20 x 4 in. Phillips Flat Head Zinc-Plated Steel Machine Screws (100 pk) — a dependable, bulk-fastener solution designed for durable, flush-mounted assemblies in metal projects. Built for real-world use, these screws stand up to the demands of indoor and outdoor environments while delivering a clean, professional finish.\u003c\/p\u003e \u003cp\u003eFeaturing a No. 1\/4-20 coarse thread and a 4-inch length, these machine screws bite securely into tapped holes or with a supporting nut, making them ideal for mounting brackets, equipment racks, electrical panels, and structural joints. The zinc-plated finish provides corrosion resistance, so you can rely on these screws in environments exposed to moisture or rapid temperature changes without sacrificing performance.\u003c\/p\u003e \u003ch2\u003eKey features\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eDiameter \u0026amp; thread\u003c\/strong\u003e: No. 1\/4-20 coarse thread for compatibility with standard nuts and tapped holes.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eLength\u003c\/strong\u003e: 4 inches, suitable for multi-material assemblies and through-holes with ample bite.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eHead style\u003c\/strong\u003e: Flat head creates a low-profile, flush surface once installed.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eFinish\u003c\/strong\u003e: Zinc-plated steel for indoor and outdoor use, delivering reliable corrosion protection.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eDrive\u003c\/strong\u003e: Phillips drive for wide tool compatibility; driver bit not included.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eQuantity\u003c\/strong\u003e: 100-count box, ready to stock your shop for ongoing projects.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eSelf-drilling\/self-tapping\u003c\/strong\u003e: Not self-drilling or self-tapping; requires a pre-tapped hole or nut.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMaterial\u003c\/strong\u003e: Hardened steel built to endure repeated mounting and disassembly.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003ePractical applications\u003c\/h3\u003e\n\u003cp\u003eIdeal for securing heavy brackets to metal frames, mounting equipment housings, anchors in machinery, or attaching components to threaded panels. Use with nuts or pre-tapped holes to achieve a strong, vibration-resistant joint. The 4-inch length provides flexibility for thicker materials or multiple mounting points, while the flat head offers a clean aesthetic on finished surfaces.\u003c\/p\u003e \u003ch3\u003eWho benefits most\u003c\/h3\u003e\n\u003cp\u003eThis 100-pack is perfect for contractors, shop technicians, and DIY enthusiasts who frequently assemble metal structures or replace worn fasteners. It’s particularly well-suited for projects where a rust-resistant, long-lasting fastener is essential, and where a flush, professional look matters.\u003c\/p\u003e \u003ch3\u003eTips for best results\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003ePair with standard 1\/4-20 nuts or a compatible tapped hole for a secure connection.\u003c\/li\u003e \u003cli\u003eEnsure you have the correct Phillips driver and the appropriate pre-tapped hole or nut before installation.\u003c\/li\u003e \u003cli\u003eStore in a dry, organized container to maintain the zinc finish and simplify future replacements.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Hillman","offers":[{"title":"Default Title","offer_id":52171859656978,"sku":"56285","price":54.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0928\/1024\/8466\/files\/56285_LA.eps_High.jpg?v=1775503261","url":"https:\/\/nationalhardwaregroup.com\/products\/hillman-no-1-4-20-in-x-4-in-l-phillips-flat-head-zinc-plated-steel-machine-screws-100-pk","provider":"National Hardware Group","version":"1.0","type":"link"}