{"product_id":"inner-hexagon-round-head-carbon-steel-black-zinc-plated-self-tapping-screw-m4-20","title":"Inner Hexagon Round Head Carbon Steel Black Zinc Plated Self-Tapping Screw-M4 * 20","description":"\u003cp\u003e\u003c\/p\u003e\u003cdiv\u003e\n\u003cbr\u003e\u003cp\u003eMeet a reliable, compact fastening solution for light- to mid-duty assemblies: Inner Hexagon Round Head Carbon Steel Black Zinc Plated Self-Tapping Screws in M4 × 20mm. Engineered for precise, flush installation, these screws combine a durable carbon steel core with a discreet black zinc finish that resists everyday wear while blending into dark surfaces.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cbr\u003e\u003cstrong\u003eSize and drive:\u003c\/strong\u003e M4 thread, 20mm length with an internal hex (Allen) drive for confident, slip-free tightening.\u003c\/li\u003e \u003cli\u003e\n\u003cbr\u003e\u003cstrong\u003eHead style:\u003c\/strong\u003e Round head provides a clean, low-profile finish that sits neatly on metal, plastic, or composite panels.\u003c\/li\u003e \u003cli\u003e\n\u003cbr\u003e\u003cstrong\u003eMaterial and finish:\u003c\/strong\u003e Carbon steel core with a black zinc plating that offers surface protection and a restrained, professional look.\u003c\/li\u003e \u003cli\u003e\n\u003cbr\u003e\u003cstrong\u003eSelf-tapping function:\u003c\/strong\u003e Designed to cut its own threads into softer materials such as thin sheet metal, plastics, or light-duty brackets, reducing the need for pre-drilled threads.\u003c\/li\u003e \u003cli\u003e\n\u003cbr\u003e\u003cstrong\u003ePack size:\u003c\/strong\u003e 20 screws per pack, ideal for small projects, repairs, and quick replacements without interrupting workflows.\u003c\/li\u003e\n\u003cbr\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eWhy this screw stands out\u003c\/strong\u003e\u003c\/p\u003e\n\u003cbr\u003e\u003cul\u003e \u003cli\u003e\n\u003cbr\u003e\u003cstrong\u003eAccurate alignment and grip:\u003c\/strong\u003e The inner hex drive minimizes cam-out in tight spaces, letting you work with confidence in chassis, enclosures, or interior hardware bays.\u003c\/li\u003e \u003cli\u003e\n\u003cbr\u003e\u003cstrong\u003eFlush aesthetics with practical strength:\u003c\/strong\u003e The rounded head needle-nose profile ensures a smooth surface, while the carbon steel core provides reliable bite for light-to-medium fastening tasks.\u003c\/li\u003e \u003cli\u003e\n\u003cbr\u003e\u003cstrong\u003eCorrosion resistance for everyday use:\u003c\/strong\u003e The black zinc finish guards against minor rust and wear in indoor environments and protected outdoor settings, making these screws versatile for DIY and professional work alike.\u003c\/li\u003e\n\u003cbr\u003e\n\u003c\/ul\u003e \u003ch3\u003eIdeal uses and scenarios\u003c\/h3\u003e\n\u003cbr\u003e\u003cul\u003e \u003cli\u003eAssembling or repairing electronics enclosures, control panels, and equipment housings where a neat, unobtrusive fastener is preferred.\u003c\/li\u003e \u003cli\u003eAttaching lightweight brackets, metal flanges, or plastic panels to thin sheets of metal or durable plastics.\u003c\/li\u003e \u003cli\u003eReplacing lost or damaged fasteners in cabinets, electronics racks, or workshop assemblies that require a compact M4 solution.\u003c\/li\u003e\n\u003cbr\u003e\n\u003c\/ul\u003e \u003ch3\u003eTips for best results\u003c\/h3\u003e\n\u003cbr\u003e\u003cp\u003eTo maximize performance, pilot holes aren’t always mandatory for very soft materials, but in tougher plastics or metals, pre-drilling guides the self-tapping action and reduces stress on the surrounding material. Tighten slowly to achieve a snug, flush fit without over-torquing, which could strip threads in delicate substrates.\u003c\/p\u003e \u003cp\u003eWith a practical 20-piece pack, these M4 × 20 inner hex round head screws deliver consistent, dependable fastening for your next project—combining thoughtful design, durable materials, and a finish that keeps assemblies looking clean and professional.\u003c\/p\u003e\n\u003cbr\u003e\n\u003c\/div\u003e","brand":"Technocity CIN7","offers":[{"title":"Default Title","offer_id":44973657718853,"sku":"AB.00.0007.53","price":15.49,"currency_code":"AUD","in_stock":false}],"url":"https:\/\/shop.ampedsuperstore.com.au\/products\/inner-hexagon-round-head-carbon-steel-black-zinc-plated-self-tapping-screw-m4-20","provider":"Amped Superstore","version":"1.0","type":"link"}