{"product_id":"6-32-unc-countersunk-phillips-screws","title":"#6-32 UNC Countersunk Phillips Screws – Carbon Steel, 5\/6\/8mm Lengths for Computers, Toys \u0026 Furniture","description":"\u003c!-- Part 1: Product Description HTML for Shopify --\u003e\n\u003cdiv class=\"hdiy-unc-csk-screws\"\u003e\n\u003c!-- Product Overview Section --\u003e\n\u003ch2\u003e🔩 #6-32 UNC Countersunk Phillips Screws – Carbon Steel, 5\/6\/8mm Lengths for Computers, Toys \u0026amp; Furniture\u003c\/h2\u003e\n\u003cp\u003eYou're fixing a loose hinge on a wooden cabinet, mounting a circuit board in a PC case, or repairing a fishing reel – and you need small, reliable screws that sit flush. These #6-32 UNC countersunk machine screws are made from carbon steel with a Phillips drive. The flat head sinks perfectly into a pre‑drilled countersink, leaving a smooth, snag‑free surface. Choose from 5mm, 6mm, or 8mm overall lengths. The #6-32 thread is a standard US coarse size, widely used in electronics, hobby projects, and furniture assembly. Keep a stash in your workshop for all those little repairs where a flush finish and dependable strength matter.\u003c\/p\u003e\n\u003c!-- Features Section --\u003e\n\u003ch2\u003e✨ Key Features – #6-32 UNC Countersunk Phillips Screws\u003c\/h2\u003e\n\u003cul class=\"hdiy-feature-list\"\u003e\n\u003cli\u003e🔽 \u003cstrong\u003eCountersunk flat head (82° typical for UNC)\u003c\/strong\u003e – Sits flush with the surface after countersinking. Ideal for smooth, professional finishes on wood, plastic, and sheet metal.\u003c\/li\u003e\n\u003cli\u003e🎨\u003cbr\u003e\u003cstrong\u003ePhillips drive\u003c\/strong\u003e – Standard cross recess works with common screwdrivers and bits. Good torque transfer without slipping.\u003c\/li\u003e\n\u003cli\u003e📏 \u003cstrong\u003e#6-32 UNC thread\u003c\/strong\u003e – Unified National Coarse – 6 gauge diameter, 32 threads per inch. Widely used in North American electronics, appliances, and light machinery.\u003c\/li\u003e\n\u003cli\u003e📐 \u003cstrong\u003eThree compact lengths\u003c\/strong\u003e – 5mm, 6mm, or 8mm overall (including head). Perfect for shallow holes, thin panels, and small assemblies.\u003c\/li\u003e\n\u003cli\u003e💪 \u003cstrong\u003eCarbon steel construction (Grade 5 equivalent)\u003c\/strong\u003e – Strong and durable. Provides good tensile strength for most light‑duty fastening applications.\u003c\/li\u003e\n\u003cli\u003e🎨 \u003cstrong\u003eClean, uniform appearance\u003c\/strong\u003e – Smooth finish blends well with different surfaces. Works in computer cases, toys, motorcycles, fishing gear, and furniture.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c!-- Specifications Table --\u003e\n\u003ch2\u003e📏 Specifications – #6-32 UNC Countersunk Phillips Machine Screws\u003c\/h2\u003e\n\u003cdiv style=\"overflow-x: auto;\" class=\"hdiy-table-wrapper\"\u003e\n\u003ctable class=\"hdiy-specs-table\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eThread Size\u003c\/th\u003e\n\u003cth\u003eOverall Length (mm) *\u003c\/th\u003e\n\u003cth\u003eHead Style\u003c\/th\u003e\n\u003cth\u003eDrive\u003c\/th\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003cth\u003eTypical Applications\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e#6-32 UNC\u003c\/td\u003e\n\u003ctd\u003e5\u003c\/td\u003e\n\u003ctd\u003eCountersunk flat\u003c\/td\u003e\n\u003ctd\u003ePhillips\u003c\/td\u003e\n\u003ctd\u003eCarbon steel (Grade 5)\u003c\/td\u003e\n\u003ctd\u003eComputer cases, small electronics\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e#6-32 UNC\u003c\/td\u003e\n\u003ctd\u003e6\u003c\/td\u003e\n\u003ctd\u003eCountersunk flat\u003c\/td\u003e\n\u003ctd\u003ePhillips\u003c\/td\u003e\n\u003ctd\u003eCarbon steel (Grade 5)\u003c\/td\u003e\n\u003ctd\u003eElectric toys, model making\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e#6-32 UNC\u003c\/td\u003e\n\u003ctd\u003e8\u003c\/td\u003e\n\u003ctd\u003eCountersunk flat\u003c\/td\u003e\n\u003ctd\u003ePhillips\u003c\/td\u003e\n\u003ctd\u003eCarbon steel (Grade 5)\u003c\/td\u003e\n\u003ctd\u003eMotorcycles, fishing gear, furniture hinges\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp style=\"font-size: 0.85rem; margin-top: 0.5rem;\" class=\"hdiy-note\"\u003e* Length is measured overall – from the top of the head to the tip. For countersunk screws, this is standard. Thread: #6-32 UNC (32 threads per inch).\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c!-- Additional Technical Details --\u003e\n\u003ch2\u003e📋 Product Details – #6-32 Carbon Steel Countersunk Screws\u003c\/h2\u003e\n\u003cdiv style=\"overflow-x: auto;\" class=\"hdiy-table-wrapper\"\u003e\n\u003ctable class=\"hdiy-specs-table\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eThread diameter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e#6 (0.138 inch \/ 3.5mm nominal)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eThread pitch\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e32 TPI (fine enough for secure hold in metal and plastic)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eHead angle\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e82° (standard for UNC countersunk screws)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFinish\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNatural carbon steel (may have light oil coating). For corrosion resistance, we recommend painting or using in dry environments.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eStrength\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eGrade 5 equivalent – good for light to medium duty\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c!-- FAQ Section – all expanded --\u003e\n\u003ch2\u003e❓ Frequently Asked Questions – #6-32 UNC Countersunk Screws\u003c\/h2\u003e\n\u003cdiv class=\"hdiy-faq\"\u003e\n\u003cdiv class=\"hdiy-faq-item\"\u003e\n\u003cp class=\"hdiy-faq-question\"\u003e\u003cstrong\u003e1. Do I need to countersink the hole for these screws to sit flush?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"hdiy-faq-answer\"\u003eYes – these are 82° countersunk screws (the standard for UNC threads). To achieve a flush finish, drill a matching countersink hole using an 82° countersink bit. In soft wood or plastic, you can gently tap the head in, but proper countersinking gives the best result.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"hdiy-faq-item\"\u003e\n\u003cp class=\"hdiy-faq-question\"\u003e\u003cstrong\u003e2. What is the difference between #6-32 and metric M3.5 screws?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"hdiy-faq-answer\"\u003e#6-32 is a US coarse thread (0.138\" diameter, 32 TPI). M3.5 is metric (3.5mm diameter, 0.6mm pitch ≈ 42 TPI). They are not interchangeable. #6-32 is very common in North American electronics, appliances, and furniture; M3.5 is more common in European and Asian products. Always match the thread type.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"hdiy-faq-item\"\u003e\n\u003cp class=\"hdiy-faq-question\"\u003e\u003cstrong\u003e3. Will these carbon steel screws rust?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"hdiy-faq-answer\"\u003eYes – carbon steel will rust if exposed to moisture. These screws are best for indoor applications or dry environments. If you need corrosion resistance for outdoor or marine use, choose stainless steel or apply a protective coating (paint, oil, or zinc plating). We offer plated versions – please contact us.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"hdiy-faq-item\"\u003e\n\u003cp class=\"hdiy-faq-question\"\u003e\u003cstrong\u003e4. Can I use these screws with a nut? What nut fits #6-32?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"hdiy-faq-answer\"\u003eYes – these are machine screws. Use a standard #6-32 UNC hex nut or lock nut. They will also thread into pre‑tapped #6-32 holes. They are not self‑tapping, so for wood or plastic, drill a pilot hole and use a threaded insert or nut on the back.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"hdiy-faq-item\"\u003e\n\u003cp class=\"hdiy-faq-question\"\u003e\u003cstrong\u003e5. What Phillips screwdriver size should I use?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"hdiy-faq-answer\"\u003eFor #6-32 screws, a #1 Phillips screwdriver is typically the best fit. A #0 may work but can slip; a #2 is too large. Use a quality driver that matches the recess to avoid cam‑out and head damage.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"hdiy-faq-item\"\u003e\n\u003cp class=\"hdiy-faq-question\"\u003e\u003cstrong\u003e6. Are these screws fully threaded? The lengths are very short.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"hdiy-faq-answer\"\u003eYes – with overall lengths of only 5, 6, or 8mm, these screws are fully threaded from under the head to the tip. This gives maximum grip even in shallow holes.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cstyle\u003e\n  .hdiy-unc-csk-screws {\n    max-width: 100%;\n    margin: 0;\n    padding: 0;\n    color: #1a1a1a;\n    line-height: 1.5;\n  }\n  .hdiy-unc-csk-screws h2 {\n    font-size: 1.75rem;\n    margin: 1.5rem 0 0.75rem 0;\n    font-weight: 600;\n    border-bottom: 2px solid #eaeaea;\n    padding-bottom: 0.5rem;\n  }\n  .hdiy-unc-csk-screws h2:first-of-type {\n    margin-top: 0;\n  }\n  .hdiy-unc-csk-screws p {\n    margin-bottom: 1rem;\n    font-size: 1rem;\n  }\n  .hdiy-feature-list {\n    list-style: none;\n    padding-left: 0;\n    margin: 1rem 0;\n  }\n  .hdiy-feature-list li {\n    margin-bottom: 0.75rem;\n    padding-left: 0.25rem;\n    font-size: 1rem;\n    display: flex;\n    align-items: flex-start;\n    gap: 0.5rem;\n  }\n  .hdiy-feature-list li strong {\n    font-weight: 600;\n  }\n  .hdiy-table-wrapper {\n    margin: 1.25rem 0;\n    border: 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