{"product_id":"hillman-no-1-4-20-in-x-6-in-l-combination-round-head-zinc-plated-steel-machine-screws-100-pk","title":"HILLMAN No. 1\/4-20 in. X 6 in. L Combination Round Head Zinc-Plated Steel Machine Screws 100 pk","description":"\u003cdiv\u003e\n\u003cp\u003eFor dependable, long-lasting connections in metal assemblies, the Hillman No. 1\/4-20 x 6 in. Combination Round Head Steel Machine Screws are built to perform. This 100-pack boxed set teams durable zinc-plated steel with a versatile combination drive, giving you a practical, ready-to-use solution for a wide range of projects—from shelving and enclosures to brackets and equipment mounts.\u003c\/p\u003e \u003ch2\u003eWhy this screw stands out\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eCoarse 1\/4-20 thread\u003c\/strong\u003e provides solid grip in tapped holes and standard nuts, delivering reliable seating in a variety of metal-to-metal applications.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e6 in. length\u003c\/strong\u003e offers deep reach for thicker assemblies, giving you flexibility when mounting through multiple components or thicker panels.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eRound head with zinc-plated finish\u003c\/strong\u003e combines a clean, professional appearance with corrosion resistance suitable for indoor and outdoor settings.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eCombination drive\u003c\/strong\u003e accepts multiple bit types, simplifying installation when your tool set is varied. Note: driver bit is not included.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVersatile, boxed 100-pack\u003c\/strong\u003e ensures you have an ample supply for ongoing projects, repairs, or shop inventory, without frequent trips to the store.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eNot self-drilling or self-tapping\u003c\/strong\u003e—requires a pre-drilled pilot hole or threaded engagement, which helps prevent push-through and maintains precise alignment for critical assemblies.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eSpecifications at a glance\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Hillman\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eSize \/ Thread:\u003c\/strong\u003e 1\/4-20\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eLength:\u003c\/strong\u003e 6 in\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eHead type:\u003c\/strong\u003e Round\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Steel\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e Zinc-Plated\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eDrive style:\u003c\/strong\u003e Combination (slotted\/Phillips compatibility)\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eSelf-drilling:\u003c\/strong\u003e No\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eSelf-tapping:\u003c\/strong\u003e No\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eApplications:\u003c\/strong\u003e Indoor and outdoor use with nuts or tapped holes\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eCount:\u003c\/strong\u003e 100 per box\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eUse cases — where these screws really shine\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003eMounting brackets to metal framing in storage systems, machinery housings, or equipment enclosures.\u003c\/li\u003e \u003cli\u003eAttaching components to stamped or machined metal panels where a strong, clean finish is desired.\u003c\/li\u003e \u003cli\u003eSecuring hardware in DIY projects that require a long, sturdy fastener through multiple metal layers.\u003c\/li\u003e \u003cli\u003eRepairs and replacements for shop-built shelving, workbenches, or electronics racks that rely on durable machine screws.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003ePractical tips for best results\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003ePair these screws with compatible nuts or tapped holes to create secure, load-bearing joints.\u003c\/li\u003e \u003cli\u003eUse washers when fastening through softer materials or where surface load distribution matters.\u003c\/li\u003e \u003cli\u003eSince they’re not self-drilling, pre-drill holes with an appropriately sized bit to prevent thread damage and ensure alignment.\u003c\/li\u003e \u003cli\u003eChoose the correct length for your stack-up; 6 in. is ideal for assemblies where multiple components require a deep, clean bite.\u003c\/li\u003e \u003cli\u003eStore and organize the 100-pack in a labeled box for quick access during ongoing projects.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Hillman","offers":[{"title":"Default Title","offer_id":52197930729746,"sku":"5304365","price":53.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0928\/1024\/8466\/files\/5304365_A.eps_High.jpg?v=1776205418","url":"https:\/\/nationalhardwaregroup.com\/products\/hillman-no-1-4-20-in-x-6-in-l-combination-round-head-zinc-plated-steel-machine-screws-100-pk","provider":"National Hardware Group","version":"1.0","type":"link"}