{"product_id":"kb4-kb5-flat-countersunk-phillips-head-screw-pc-case-cooler-fan-mounting","title":"Black \u0026 Silver KB4–KB5 Flat Countersunk Phillips Head Screw for PC Case Cooler Fan Mounting","description":"\u003ch2\u003eBlack \u0026amp; Silver KB4–KB5 Flat Countersunk Phillips Head Screw for PC Case Cooler \u0026amp; Fan Mounting\u003c\/h2\u003e\u003cp\u003eThe \u003cstrong\u003eKB4 and KB5 flat countersunk Phillips head screws\u003c\/strong\u003e are the standard specification fasteners for PC case fan mounting, CPU cooler installation, and heatsink bracket assembly. Available in both black and silver finishes to match your build aesthetic, these screws are compatible with all standard ATX cases, 80mm–120mm fans, and heatsink brackets.\u003c\/p\u003e\u003ch2\u003eKey Specifications\u003c\/h2\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eType\u003c\/td\u003e\n\u003ctd\u003eKB4 \/ KB5 fan mounting screw\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDrive\u003c\/td\u003e\n\u003ctd\u003ePhillips (cross head)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHead Style\u003c\/td\u003e\n\u003ctd\u003eFlat countersunk (flush)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFinish\u003c\/td\u003e\n\u003ctd\u003eBlack \/ Silver (per variant)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eThread\u003c\/td\u003e\n\u003ctd\u003eSelf-tapping (fan frame plastic)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompatibility\u003c\/td\u003e\n\u003ctd\u003eATX cases, 80–120mm fans, heatsink brackets\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ch2\u003eWhy Choose KB4\/KB5 Fan Mounting Screws?\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandard PC specification\u003c\/strong\u003e — KB4\/KB5 is the industry-standard screw for 80mm, 92mm, and 120mm PC case fan mounting\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlat countersunk head\u003c\/strong\u003e — sits flush with fan frame; no protruding head to obstruct airflow or interfere with fan blades\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBlack \u0026amp; silver options\u003c\/strong\u003e — match your build’s colour scheme; black for dark builds, silver for classic or white builds\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSelf-tapping thread\u003c\/strong\u003e — threads directly into fan frame plastic mounting holes; no nut required\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePack quantities\u003c\/strong\u003e — available in practical quantities for single builds or bulk workshop stock\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eTypical Applications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003ePC case fan mounting (80mm, 92mm, 120mm, 140mm fans)\u003c\/li\u003e\n\u003cli\u003eCPU cooler and heatsink bracket installation (Intel LGA1700, LGA1200, AM4, AM5)\u003c\/li\u003e\n\u003cli\u003eRadiator fan mounting in AIO and custom water cooling loops\u003c\/li\u003e\n\u003cli\u003eCase fan controller and fan hub mounting\u003c\/li\u003e\n\u003cli\u003eATX, mATX, ITX case assembly and fan replacement\u003c\/li\u003e\n\u003cli\u003eServer chassis and rack-mount fan replacement\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eCompatible With\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eStandard 80mm, 92mm, 120mm, 140mm PC case fans (4-pin PWM and 3-pin)\u003c\/li\u003e\n\u003cli\u003eATX, mATX, Mini-ITX, E-ATX case fan mounting positions\u003c\/li\u003e\n\u003cli\u003eCPU coolers: Noctua, be quiet!, Cooler Master, Deepcool, Thermalright heatsink brackets\u003c\/li\u003e\n\u003cli\u003eAIO radiators: NZXT, Corsair, Arctic, Lian Li 240mm\/360mm radiator fan mounts\u003c\/li\u003e\n\u003cli\u003ePhillips #1 and #2 screwdrivers\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003ePackage Contents\u003c\/h2\u003e\u003cul\u003e\u003cli\u003eKB4\/KB5 fan mounting screws in selected colour and quantity (per variant)\u003c\/li\u003e\u003c\/ul\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003cdl\u003e\n\u003cdt\u003e\u003cstrong\u003eQ: What is the difference between KB4 and KB5 screws?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eA: KB4 and KB5 refer to slightly different length specifications of the standard PC fan mounting screw. KB4 is typically used for standard fan frame thickness, while KB5 is slightly longer for thicker fan frames or radiator mounting with a gasket. Check your fan or cooler manual for the recommended specification.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eQ: Will these fit all PC case fans?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eA: Yes. KB4\/KB5 screws are the universal standard for PC case fan mounting. They are compatible with all major fan brands (Noctua, be quiet!, Corsair, Arctic, Cooler Master, Deepcool, Lian Li) and all standard ATX case fan positions.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eQ: Do I need a nut with these screws?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eA: No. KB4\/KB5 screws are self-tapping and thread directly into the plastic mounting holes on the fan frame. No nut is required.\u003c\/dd\u003e\n\u003c\/dl\u003e","brand":"Keszoox","offers":[{"title":"black \/ M4x8mm","offer_id":46885338972395,"sku":"14:29#black;5:202191817#M4x8mm","price":2.76,"currency_code":"USD","in_stock":true},{"title":"black \/ M4x10mm","offer_id":46885339005163,"sku":"14:29#black;5:200099163#M4x10mm","price":2.8,"currency_code":"USD","in_stock":true},{"title":"black \/ M4x12mm","offer_id":46885338841323,"sku":"14:29#black;5:200148634#M4x12mm","price":2.98,"currency_code":"USD","in_stock":true},{"title":"black \/ M5x10mm","offer_id":46885338874091,"sku":"14:29#black;5:202198813#M5x10mm","price":3.02,"currency_code":"USD","in_stock":true},{"title":"black \/ M5x12mm","offer_id":46885338906859,"sku":"14:29#black;5:200060030#M5x12mm","price":3.28,"currency_code":"USD","in_stock":true},{"title":"black \/ M5x15mm","offer_id":46885338939627,"sku":"14:29#black;5:200005614#M5x15mm","price":3.46,"currency_code":"USD","in_stock":true},{"title":"silver \/ M4x8mm","offer_id":46885339103467,"sku":"14:175#silver;5:202191817#M4x8mm","price":2.8,"currency_code":"USD","in_stock":true},{"title":"silver \/ M4x10mm","offer_id":46885339136235,"sku":"14:175#silver;5:200099163#M4x10mm","price":2.76,"currency_code":"USD","in_stock":true},{"title":"silver \/ M4x12mm","offer_id":46885339169003,"sku":"14:175#silver;5:200148634#M4x12mm","price":2.9,"currency_code":"USD","in_stock":true},{"title":"silver \/ M5x10mm","offer_id":46885339201771,"sku":"14:175#silver;5:202198813#M5x10mm","price":2.88,"currency_code":"USD","in_stock":true},{"title":"silver \/ M5x12mm","offer_id":46885339037931,"sku":"14:175#silver;5:200060030#M5x12mm","price":3.28,"currency_code":"USD","in_stock":true},{"title":"silver \/ M5x15mm","offer_id":46885339070699,"sku":"14:175#silver;5:200005614#M5x15mm","price":3.26,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0677\/1005\/8731\/files\/KB4_KB5_black_and_silver_flat_countersunk_Phillips_head_screw_for_PC_case_cooler_fan_mounting.webp?v=1759126378","url":"https:\/\/keszoox.com\/products\/kb4-kb5-flat-countersunk-phillips-head-screw-pc-case-cooler-fan-mounting","provider":"Keszoox","version":"1.0","type":"link"}