{"product_id":"machine-screws-phil-flat-18-8-stainless-black-oxide-1-4-20-x-3-1-2_1456mpf188bkc","title":"1\/4\"-20 X 3-1\/2\" Machine Screws | Flat Head | Phillips Drive | 18\/8 Stainless Steel Black Oxide (500\/Pkg.)","description":"\u003cdiv\u003e\n\u003cp\u003eSecure and corrosion-resistant, the Machine Screws Phil Flat 18\/8 Stainless Black Oxide 1\/4-20 x 3 1\/2 is designed for durable metal fastening with a flush finish. Crafted from 18\/8 stainless steel and finished with a black oxide coating, these screws combine corrosion resistance with a low-profile aesthetic.\u003c\/p\u003e \u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cb\u003eMaterial:\u003c\/b\u003e 18\/8 stainless steel (304)\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eFinish:\u003c\/b\u003e Black oxide\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eDrive Type:\u003c\/b\u003e Phillips\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eHead Style:\u003c\/b\u003e Flat\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eThread Size:\u003c\/b\u003e 1\/4-20 UNC\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eLength:\u003c\/b\u003e 3-1\/2 in\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWith a \u003cb\u003ePhillips drive\u003c\/b\u003e and a \u003cb\u003eflat head\u003c\/b\u003e, these machine screws sit flush in panels and work surfaces, delivering secure, dependable fastening for a wide range of metal assemblies. The \u003cb\u003e1\/4-20\u003c\/b\u003e thread provides compatibility with standard components, while the long 3-1\/2 inch length accommodates thicker materials or deep-set applications.\u003c\/p\u003e \u003cp\u003eIdeal for projects requiring stainless steel durability and a discreet finish, these screws resist corrosion in everyday environments and maintain strength over time. Use them in equipment enclosures, machinery assemblies, or metal housing where a robust, corrosion-resistant fastener is essential.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Mutual Screw","offers":[{"title":"Default Title","offer_id":50344604991767,"sku":"1456MPF188BKC","price":300.98,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/1125\/5063\/files\/3116MPF188BKC_a8335480-635f-4948-92c7-dd0f62b139ae.webp?v=1747154612","url":"https:\/\/mutualscrew.com\/products\/machine-screws-phil-flat-18-8-stainless-black-oxide-1-4-20-x-3-1-2_1456mpf188bkc","provider":"Mutual Screw \u0026 Supply","version":"1.0","type":"link"}