{"product_id":"machine-screws-unslotted-indented-hex-washer-steel-black-oxide-5-16-18-x-1_3116mwbkc","title":"5\/16\"-18 X 1\" Machine Screws | Indented Hex Washer Head | Steel Black Oxide (1250\/Pkg.)","description":"\u003cdiv\u003e\n\u003cp\u003eEngineered for strength and a clean, professional finish, this Machine Screw features an unslotted indented hex washer head, steel construction, and a durable black oxide coating. Sized 5\/16-18 x 1, it's ideal for precise, high-torque fastening in tapped holes or with nuts.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cb\u003eDrive Type\u003c\/b\u003e: Internal hex (Allen) drive for a slotted-free, high-torque engagement\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eHead Style\u003c\/b\u003e: Indented hex washer head provides a flush, low-profile look and distributes load over a larger area\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eMaterial \u0026amp; Finish\u003c\/b\u003e: Steel with a black oxide finish for corrosion resistance and a sleek appearance\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eThread Size \u0026amp; Length\u003c\/b\u003e: 5\/16-18 UNC, 1 inch long\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eApplications\u003c\/b\u003e: Great for equipment enclosures, control panels, and assemblies where a secure, neat fastener is required\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eTo install, use the appropriate Allen (hex) drive with compatible taps or nuts. Avoid over-tightening to preserve thread integrity.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Mutual Screw","offers":[{"title":"Default Title","offer_id":50345523544343,"sku":"3116MWBKC","price":466.97,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/1125\/5063\/files\/3116MWBKC_c484c109-8ddc-4555-b30a-0d7daa38e4bc.webp?v=1747150018","url":"https:\/\/mutualscrew.com\/products\/machine-screws-unslotted-indented-hex-washer-steel-black-oxide-5-16-18-x-1_3116mwbkc","provider":"Mutual Screw \u0026 Supply","version":"1.0","type":"link"}