{"product_id":"machine-screws-unslotted-indented-hex-washer-steel-black-oxide-5-16-18-x-3-4_3112mwbkc","title":"5\/16\"-18 X 3\/4\" Machine Screws | Indented Hex Washer Head | Steel Black Oxide (1250\/Pkg.)","description":"\u003cdiv\u003e\n\u003cp\u003eSecure every project with the Machine Screws Unslotted Indented Hex Washer Steel Black Oxide 5\/16-18 x 3\/4. Built for dependable performance in metal-to-metal fastenings, these screws combine a low-profile indented hex washer head with a durable steel body and a corrosion-resistant black oxide finish.\u003c\/p\u003e \u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cb\u003eSize and thread:\u003c\/b\u003e 5\/16-18 UNC, standard coarse thread for broad compatibility.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eLength:\u003c\/b\u003e 3\/4 inch overall length, suited for through-holes and snug mounting.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eHead and drive:\u003c\/b\u003e Indented hex washer head (unslotted) designed for a secure, flush installation with a hex driver.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eMaterial and finish:\u003c\/b\u003e Steel core with black oxide finish for durability and a sleek look that resists minor corrosion.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eApplication:\u003c\/b\u003e Ideal for machinery, electronics enclosures, and general hardware where a clean, low-profile fastener is needed.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch4\u003eSpecifications\u003c\/h4\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cb\u003eThread type:\u003c\/b\u003e UNC 5\/16-18\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eDiameter:\u003c\/b\u003e 5\/16 inch\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eLength:\u003c\/b\u003e 3\/4 inch\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eHead type:\u003c\/b\u003e Indented hex washer\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eDrive style:\u003c\/b\u003e Indented hex (unslotted) for hex-key installation\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eChoose these machine screws for secure, professional fastenings with a clean, industrial look. Add to cart to complete your hardware kit today.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Mutual Screw","offers":[{"title":"Default Title","offer_id":50345523577111,"sku":"3112MWBKC","price":357.06,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/1125\/5063\/files\/3116MWBKC_35aa2b28-bcde-4386-a117-34e41176248e.webp?v=1747150017","url":"https:\/\/mutualscrew.com\/products\/machine-screws-unslotted-indented-hex-washer-steel-black-oxide-5-16-18-x-3-4_3112mwbkc","provider":"Mutual Screw \u0026 Supply","version":"1.0","type":"link"}