{"product_id":"waterproof-screw-caps-5-2mm-hex-head-plastic-cover-metric","title":"Waterproof Screw Caps for 5.2mm Hex Head Self-Drilling Screws – Plastic Hex Cover, Metric, 10–500 Pack","description":"\u003cdiv class=\"hdiy-desc\"\u003e\n\n  \u003cdiv class=\"hdiy-overview\"\u003e\n    \u003ch2\u003eWaterproof Screw Caps for 5.2mm Hex Head — Snap-On Protection for Outdoor Fasteners\u003c\/h2\u003e\n    \u003cp\u003eExposed screw heads on metal roofing, fencing, and decking are a rust magnet. These snap-on plastic caps are engineered specifically for 5.2mm across-flats hex head self-drilling screws, creating a tight moisture barrier that keeps rain, snow, and UV off your fasteners — no tools, no adhesive, no hassle.\u003c\/p\u003e\n    \u003cp\u003eEach cap is molded from UV-stabilized plastic that stays flexible from -20°C to +80°C (-4°F to 176°F). Available in White, Sea Blue, Ivory White, and Silver Gray to match your roofing panels or exterior finish. Sold in packs of 10 to 500 pcs to suit small repairs or large installations.\u003c\/p\u003e\n    \u003cp\u003eUse them on metal roofing screws, gutter guard fasteners, outdoor electrical box covers, RV accessories, sign mounting hardware, and any exterior hex head bolt where corrosion protection matters.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"hdiy-compat\"\u003e\n    \u003cspan class=\"hdiy-compat-icon\"\u003e✅\u003c\/span\u003e\n    Compatible with 5.2mm across-flats hex head self-drilling screws, lag bolts, and hex washer head screws — metric sizing. Not suitable for 5.5mm or larger hex heads.\n  \u003c\/div\u003e\n\n  \u003cdiv\u003e\n    \u003ch2\u003e✅ Key Features of These Waterproof Screw Caps\u003c\/h2\u003e\n    \u003cul class=\"hdiy-features\"\u003e\n      \u003cli\u003e\n        \u003cspan class=\"hdiy-icon\"\u003e💧\u003c\/span\u003e\n        \u003cspan\u003e\u003cstrong\u003ePrecision 5.2mm Snap Fit:\u003c\/strong\u003e Molded to exact 5.2mm across-flats tolerance — snaps securely onto hex heads without adhesive or tools, staying put through vibration and thermal cycling.\u003c\/span\u003e\n      \u003c\/li\u003e\n      \u003cli\u003e\n        \u003cspan class=\"hdiy-icon\"\u003e🌧️\u003c\/span\u003e\n        \u003cspan\u003e\u003cstrong\u003eWeatherproof Moisture Barrier:\u003c\/strong\u003e Creates a physical seal against rain, splashing, and hose spray to prevent water ingress into screw threads and reduce corrosion risk.\u003c\/span\u003e\n      \u003c\/li\u003e\n      \u003cli\u003e\n        \u003cspan class=\"hdiy-icon\"\u003e☀️\u003c\/span\u003e\n        \u003cspan\u003e\u003cstrong\u003eUV-Stabilized Plastic:\u003c\/strong\u003e Resists cracking, fading, and warping from prolonged sun exposure — maintains color and flexibility season after season.\u003c\/span\u003e\n      \u003c\/li\u003e\n      \u003cli\u003e\n        \u003cspan class=\"hdiy-icon\"\u003e🌡️\u003c\/span\u003e\n        \u003cspan\u003e\u003cstrong\u003eWide Temperature Range:\u003c\/strong\u003e Rated -20°C to +80°C (-4°F to 176°F). Stays pliable in freezing conditions and won't soften under typical summer heat.\u003c\/span\u003e\n      \u003c\/li\u003e\n      \u003cli\u003e\n        \u003cspan class=\"hdiy-icon\"\u003e🎨\u003c\/span\u003e\n        \u003cspan\u003e\u003cstrong\u003e4 Color Options:\u003c\/strong\u003e Choose White, Sea Blue, Ivory White, or Silver Gray to blend with your roofing panels, siding, or exterior hardware for a clean, finished appearance.\u003c\/span\u003e\n      \u003c\/li\u003e\n      \u003cli\u003e\n        \u003cspan class=\"hdiy-icon\"\u003e📦\u003c\/span\u003e\n        \u003cspan\u003e\u003cstrong\u003eFlexible Pack Sizes:\u003c\/strong\u003e Available in 10, 20, 50, 100, 200, and 500-piece packs — order exactly what your project needs, from a quick patch repair to a full roof installation.\u003c\/span\u003e\n      \u003c\/li\u003e\n    \u003c\/ul\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"hdiy-usecases\"\u003e\n    \u003ch2\u003e🎯 Who Is This For?\u003c\/h2\u003e\n    \u003cdiv class=\"hdiy-usecase-item\"\u003e\n      \u003cspan\u003e🏠\u003c\/span\u003e\n      \u003cstrong\u003eMetal Roofing Installers\u003c\/strong\u003e\n      \u003cp\u003eSeal every exposed self-drilling roofing screw head to prevent water infiltration and extend the life of your roof panels.\u003c\/p\u003e\n    \u003c\/div\u003e\n    \u003cdiv class=\"hdiy-usecase-item\"\u003e\n      \u003cspan\u003e🔩\u003c\/span\u003e\n      \u003cstrong\u003eDIY Homeowners\u003c\/strong\u003e\n      \u003cp\u003eProtect fence posts, deck hardware, and outdoor furniture fasteners from rust without any special tools or skills.\u003c\/p\u003e\n    \u003c\/div\u003e\n    \u003cdiv class=\"hdiy-usecase-item\"\u003e\n      \u003cspan\u003e🚐\u003c\/span\u003e\n      \u003cstrong\u003eRV \u0026amp; Marine Enthusiasts\u003c\/strong\u003e\n      \u003cp\u003eCover exterior hex head screws on RV panels, boat accessories, and dock hardware exposed to moisture and salt air.\u003c\/p\u003e\n    \u003c\/div\u003e\n    \u003cdiv class=\"hdiy-usecase-item\"\u003e\n      \u003cspan\u003e🏗️\u003c\/span\u003e\n      \u003cstrong\u003eContractors \u0026amp; Builders\u003c\/strong\u003e\n      \u003cp\u003eBulk packs of up to 500 pcs make it easy to cap every fastener on large commercial or residential exterior projects.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"hdiy-table-wrap\"\u003e\n    \u003ch2\u003e📏 Technical Specifications\u003c\/h2\u003e\n    \u003ctable\u003e\n      \u003ctbody\u003e\n        \u003ctr\u003e\n\u003cth\u003eProduct Type\u003c\/th\u003e\n\u003ctd\u003eSnap-on waterproof hex head screw cap\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eHex Size (Across Flats)\u003c\/th\u003e\n\u003ctd\u003e5.2mm (metric)\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003eUV-stabilized weather-resistant plastic\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eColor Options\u003c\/th\u003e\n\u003ctd\u003eWhite, Sea Blue, Ivory White, Silver Gray\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eInstallation\u003c\/th\u003e\n\u003ctd\u003ePush-on \/ snap-fit, no tools required\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eTemperature Range\u003c\/th\u003e\n\u003ctd\u003e-20°C to +80°C (-4°F to 176°F)\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003ePack Sizes\u003c\/th\u003e\n\u003ctd\u003e10, 20, 50, 100, 200, 500 pcs\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eCompatible Fasteners\u003c\/th\u003e\n\u003ctd\u003e5.2mm hex head self-drilling screws, lag bolts, hex washer head screws\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eApplications\u003c\/th\u003e\n\u003ctd\u003eMetal roofing, fencing, decking, outdoor electrical, RV, marine, sign mounting\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003c\/tbody\u003e\n    \u003c\/table\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"hdiy-faq\"\u003e\n    \u003ch2\u003e❓ Frequently Asked Questions\u003c\/h2\u003e\n    \u003cdetails\u003e\n      \u003csummary\u003eWill these caps fit any 5.2mm hex head screw, even if it's not a self-drilling type?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003eYes — as long as the screw or bolt has a standard 5.2mm hex head (across flats), the cap will fit. This includes self-drilling screws, standard hex head bolts, and hex washer head screws. Measure your hex head width before ordering to confirm compatibility.\u003c\/p\u003e\u003c\/div\u003e\n    \u003c\/details\u003e\n    \u003cdetails\u003e\n      \u003csummary\u003eAre these caps truly waterproof, or just dust covers?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003eThey provide a strong water seal against rain, splashing, and hose spray. The snap fit creates a physical barrier around the hex head. They are not designed for submerged applications. For maximum protection in driving rain or coastal environments, a small dab of silicone sealant inside the cap is recommended.\u003c\/p\u003e\u003c\/div\u003e\n    \u003c\/details\u003e\n    \u003cdetails\u003e\n      \u003csummary\u003eWhat temperature range can these plastic caps handle?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003eRated from approximately -20°C to +80°C (-4°F to 176°F). The plastic stays flexible in cold weather and resists softening under typical summer heat. For extreme high-temperature environments such as engine compartments, silicone caps would be more appropriate.\u003c\/p\u003e\u003c\/div\u003e\n    \u003c\/details\u003e\n    \u003cdetails\u003e\n      \u003csummary\u003eCan I reuse a cap after removing it?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003eGenerally yes. The snap fit may loosen slightly after repeated removals, but for occasional seasonal access they can typically be reused several times. For permanent sealing applications, replacing with new caps after removal is recommended.\u003c\/p\u003e\u003c\/div\u003e\n    \u003c\/details\u003e\n    \u003cdetails\u003e\n      \u003csummary\u003eWill these caps fit a 5.5mm hex head?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003eNo — these are precisely molded for 5.2mm across flats. A 5.5mm hex head will be too large and may split or not seat the cap properly. Please measure your hex head carefully before ordering.\u003c\/p\u003e\u003c\/div\u003e\n    \u003c\/details\u003e\n    \u003cdetails\u003e\n      \u003csummary\u003eDo the different colors affect the price?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003ePricing varies by quantity pack size selected. Color choice (White, Sea Blue, Ivory White, Silver Gray) does not affect the price within the same quantity tier. Select your preferred color and pack size above.\u003c\/p\u003e\u003c\/div\u003e\n    \u003c\/details\u003e\n    \u003cdetails\u003e\n      \u003csummary\u003eHow do I install these caps — do I need any tools?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003eNo tools required. Simply align the cap opening over the hex head and press down firmly by hand until it seats flush. The snap-fit design holds the cap securely in place without adhesive.\u003c\/p\u003e\u003c\/div\u003e\n    \u003c\/details\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"hdiy-cta\"\u003e🛒 Select your color and quantity above, then add to cart.\u003c\/div\u003e\n\n\u003c\/div\u003e","brand":"HomeDIYer","offers":[{"title":"White \/ 10 Pcs","offer_id":52253539598610,"sku":"ZBGB09342x10","price":2.0,"currency_code":"USD","in_stock":true},{"title":"White \/ 20 Pcs","offer_id":52253539631378,"sku":"ZBGB09342x20","price":2.23,"currency_code":"USD","in_stock":true},{"title":"White \/ 50 Pcs","offer_id":52253539664146,"sku":"ZBGB09342x50","price":2.92,"currency_code":"USD","in_stock":true},{"title":"White \/ 100 Pcs","offer_id":52253539696914,"sku":"ZBGB09342x100","price":4.41,"currency_code":"USD","in_stock":true},{"title":"White \/ 200 Pcs","offer_id":52253539729682,"sku":"ZBGB09342x200","price":7.89,"currency_code":"USD","in_stock":true},{"title":"White \/ 500 Pcs","offer_id":52253539762450,"sku":"ZBGB09342x500","price":18.36,"currency_code":"USD","in_stock":true},{"title":"Sea Blue \/ 10 Pcs","offer_id":52253539795218,"sku":"ZBGB09343x10","price":2.0,"currency_code":"USD","in_stock":true},{"title":"Sea Blue \/ 20 Pcs","offer_id":52253539827986,"sku":"ZBGB09343x20","price":2.43,"currency_code":"USD","in_stock":true},{"title":"Sea Blue \/ 50 Pcs","offer_id":52253539860754,"sku":"ZBGB09343x50","price":4.73,"currency_code":"USD","in_stock":true},{"title":"Sea Blue \/ 100 Pcs","offer_id":52253539893522,"sku":"ZBGB09343x100","price":8.55,"currency_code":"USD","in_stock":true},{"title":"Sea Blue \/ 200 Pcs","offer_id":52253539926290,"sku":"ZBGB09343x200","price":16.2,"currency_code":"USD","in_stock":true},{"title":"Sea Blue \/ 500 Pcs","offer_id":52253539959058,"sku":"ZBGB09343x500","price":39.11,"currency_code":"USD","in_stock":true},{"title":"Ivory White \/ 10 Pcs","offer_id":52253539991826,"sku":"ZBGB09344x10","price":2.0,"currency_code":"USD","in_stock":true},{"title":"Ivory White \/ 20 Pcs","offer_id":52253540024594,"sku":"ZBGB09344x20","price":2.23,"currency_code":"USD","in_stock":true},{"title":"Ivory White \/ 50 Pcs","offer_id":52253540057362,"sku":"ZBGB09344x50","price":2.92,"currency_code":"USD","in_stock":true},{"title":"Ivory White \/ 100 Pcs","offer_id":52253540090130,"sku":"ZBGB09344x100","price":4.41,"currency_code":"USD","in_stock":true},{"title":"Ivory White \/ 200 Pcs","offer_id":52253540122898,"sku":"ZBGB09344x200","price":7.89,"currency_code":"USD","in_stock":true},{"title":"Ivory White \/ 500 Pcs","offer_id":52253540155666,"sku":"ZBGB09344x500","price":18.36,"currency_code":"USD","in_stock":true},{"title":"Silver Gray \/ 10 Pcs","offer_id":52253540188434,"sku":"ZBGB09345x10","price":2.0,"currency_code":"USD","in_stock":true},{"title":"Silver Gray \/ 20 Pcs","offer_id":52253540221202,"sku":"ZBGB09345x20","price":2.23,"currency_code":"USD","in_stock":true},{"title":"Silver Gray \/ 50 Pcs","offer_id":52253540253970,"sku":"ZBGB09345x50","price":2.92,"currency_code":"USD","in_stock":true},{"title":"Silver Gray \/ 100 Pcs","offer_id":52253540286738,"sku":"ZBGB09345x100","price":4.41,"currency_code":"USD","in_stock":true},{"title":"Silver Gray \/ 200 Pcs","offer_id":52253540319506,"sku":"ZBGB09345x200","price":7.89,"currency_code":"USD","in_stock":true},{"title":"Silver Gray \/ 500 Pcs","offer_id":52253540352274,"sku":"ZBGB09345x500","price":18.36,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0884\/8936\/1682\/files\/Picture1of6_9b345c59-26dc-449c-bd0f-4685f7af336a.jpg?v=1778900858","url":"https:\/\/homediyer.com\/products\/waterproof-screw-caps-5-2mm-hex-head-plastic-cover-metric","provider":"HomeDIYer","version":"1.0","type":"link"}