{"product_id":"machine-screws-phil-flat-steel-black-zinc-4-40-x-3-8_0406mpfbzkc","title":"#4-40 X 3\/8\" Machine Screws | 82 Degree Flat Head | Phillips Drive | Steel Black Zinc (10000\/Pkg.)","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cb\u003e[10000 BULK] Machine Screws Phil 82 Degree Flat Steel Black Zinc 4-40 X 3\/8\u003c\/b\u003e are precision-engineered Phillips-drive machine screws designed for a wide range of fastening tasks. Crafted from sturdy steel with a durable black zinc finish, these screws resist corrosion and provide reliable performance in metal enclosures, machinery, electronics, and general hardware applications.\u003c\/p\u003e \u003cp\u003eSold in a bulk 10,000-piece quantity, these small-diameter screws measure 4-40 with a 3\/8 inch length, offering a compact, secure fastening solution for fine-detail assemblies and projects that require precise thread engagement.\u003c\/p\u003e \u003ch4\u003eKey features\u003c\/h4\u003e\n\u003cul\u003e \u003cli\u003eBulk quantity: 10,000 screws for long-running projects or stocking up your workshop\u003c\/li\u003e \u003cli\u003eDrive type: Phillips (PH) for easy, common bit compatibility\u003c\/li\u003e \u003cli\u003eThread size: 4-40 (fine thread) for precise engagement\u003c\/li\u003e \u003cli\u003eLength: 3\/8 in (9.5 mm) to suit thin materials and compact assemblies\u003c\/li\u003e \u003cli\u003eMaterial: Steel for strength and durability\u003c\/li\u003e \u003cli\u003eFinish: Black zinc coating for corrosion resistance and a sleek look\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch4\u003eApplications\u003c\/h4\u003e\n\u003cp\u003eIdeal for electronics enclosures, hobby projects, machinery, automotive assemblies, and any application requiring small-diameter, reliable machine screws in bulk.\u003c\/p\u003e \u003cp\u003eEnsure a consistent supply on hand with this bulk-pack solution—ready to tackle ongoing builds, repairs, and projects with precision and lasting performance.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Mutual Screw","offers":[{"title":"Default Title","offer_id":50344671019287,"sku":"0406MPFBZKC","price":272.31,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/1125\/5063\/files\/3116MPFBZKC_39e1504c-c0a6-452f-a59c-f0c7665b0a98.webp?v=1747422939","url":"https:\/\/mutualscrew.com\/products\/machine-screws-phil-flat-steel-black-zinc-4-40-x-3-8_0406mpfbzkc","provider":"Mutual Screw \u0026 Supply","version":"1.0","type":"link"}