{"product_id":"machine-screws-slotted-round-steel-black-zinc-4-40-x-1-2_0408msrbzkc","title":"#4-40 X 1\/2\" Machine Screws | Round Head | Slotted Drive | Steel Black Zinc (10000\/Pkg.)","description":"\u003cdiv\u003e\n\u003cp\u003eOur \u003cb\u003eMachine Screws Slotted Round Steel Black Zinc 4\/40 x 1\/2\u003c\/b\u003e deliver precise fastening for small-scale assembly projects. These slotted, round-head machine screws are crafted from sturdy steel and finished with a durable black zinc coating to resist corrosion and provide a clean, professional look.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cb\u003eDrive type:\u003c\/b\u003e Slotted\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eHead style:\u003c\/b\u003e Round\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eMaterial:\u003c\/b\u003e Steel\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eFinish:\u003c\/b\u003e Black zinc for corrosion resistance\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eThread size:\u003c\/b\u003e 4\/40\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eLength:\u003c\/b\u003e 1\/2 inch\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eThese screws are ideal for electronics enclosures, small hardware assemblies, cabinetry, and light machinery where a compact, secure fastener is required. The 4\/40 threads provide a reliable grip in tapped holes or with compatible nuts and inserts. For best results, use with the appropriate drivers and avoid overtightening to preserve thread integrity.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Mutual Screw","offers":[{"title":"Default Title","offer_id":50345330278679,"sku":"0408MSRBZKC","price":300.12,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/1125\/5063\/files\/1424MSRBZKC_40c02185-69fc-45bb-8b70-737cb9318f49.webp?v=1747173483","url":"https:\/\/mutualscrew.com\/products\/machine-screws-slotted-round-steel-black-zinc-4-40-x-1-2_0408msrbzkc","provider":"Mutual Screw \u0026 Supply","version":"1.0","type":"link"}