{"product_id":"machine-screws-unslotted-indented-hex-zinc-plated-4-40-x-5-8_0410mhkc","title":"#4-40 X 5\/8\" Machine Screws | Indented Hex Head | Steel Zinc Plated (10000\/Pkg.)","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cb\u003eMachine Screws\u003c\/b\u003e Unslotted Indented Hex Zinc Plated 4-40 x 5\/8 are precise fasteners designed for small assemblies where a clean, flush drive is required. The unslotted indented hex drive provides a secure fit, while zinc plating offers corrosion resistance for extended life in electronics, machinery, and panel applications.\u003c\/p\u003e \u003cp\u003eThese machine screws are specified as size 4-40 with a length of 5\/8 inch. They are ideal for hardware where a compact fastener is needed to join thin metal sheets, brackets, or enclosed components with tapped holes or nuts where a flush drive is preferred.\u003c\/p\u003e \u003ch3\u003eKey Specifications\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cb\u003eType:\u003c\/b\u003e Machine screws\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eDrive:\u003c\/b\u003e Unslotted Indented Hex\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eFinish:\u003c\/b\u003e Zinc Plated\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 5\/8\" (0.625\")\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy choose zinc plated unslotted indented hex machine screws?\u003c\/h3\u003e\n\u003cp\u003eZn plating provides corrosion resistance for light to moderate use environments, preserving appearance and integrity in electronics enclosures, control panels, and equipment assemblies. The indented hex drive minimizes slippage and cam-out during installation, enabling a secure, flush seating that looks neat in assemblies where head visibility is minimized.\u003c\/p\u003e \u003cp\u003eFor best results, pair with corresponding nuts or tapped holes drilled to standard 4-40 thread size. Ensure appropriate clearance and tolerances for your material thickness to achieve reliable fastening.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Mutual Screw","offers":[{"title":"Default Title","offer_id":50345627025687,"sku":"0410MHKC","price":551.15,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/1125\/5063\/files\/5024MHKC_aa3ce6e4-2795-4a60-9cf9-a006255ab0a2.webp?v=1747422611","url":"https:\/\/mutualscrew.com\/products\/machine-screws-unslotted-indented-hex-zinc-plated-4-40-x-5-8_0410mhkc","provider":"Mutual Screw \u0026 Supply","version":"1.0","type":"link"}