{"product_id":"silicone-rubber-hole-plugs-3-12mm-high-temperature-seal-caps-10pcs","title":"10Pcs Silicone Rubber Hole Plugs 3–12mm | High Temp Seal Caps","description":"\n\u003ch2\u003eSeal It Right — 10-Pack Silicone Rubber Hole Plugs\u003c\/h2\u003e\n\u003cp\u003eKeep dust, moisture, and debris out with these versatile \u003cstrong\u003esilicone rubber hole plugs\u003c\/strong\u003e. Whether you're finishing a panel, protecting a drilled hole on an enclosure, or sealing off unused openings on automotive bodywork, these solid flat-gasket caps get the job done cleanly and securely. Each pack contains \u003cstrong\u003e10 pieces\u003c\/strong\u003e in sizes ranging from \u003cstrong\u003e3mm to 12mm\u003c\/strong\u003e, giving you a handy assortment for a wide range of projects.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHigh-Temperature Resistance:\u003c\/strong\u003e Rated from \u003cstrong\u003e-40°C to +250°C (-40°F to +482°F)\u003c\/strong\u003e — suitable for engine bays, industrial equipment, and high-heat environments.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePremium Silicone Rubber:\u003c\/strong\u003e Soft, pliable, and durable with excellent elasticity for a snug, leak-proof fit.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eExcellent Sealing Performance:\u003c\/strong\u003e Creates a tight seal against moisture, dust, dirt, and contaminants.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eChemical Resistant:\u003c\/strong\u003e Resists acids, alkalis, and general corrosion — ideal for workshops and industrial use.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAnti-Aging:\u003c\/strong\u003e UV and ozone resistant so they won't crack or degrade over time.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMulti-Size Pack:\u003c\/strong\u003e Covers hole diameters from 3mm to 12mm in one convenient set.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eColor:\u003c\/strong\u003e Black — blends cleanly with most panels and surfaces.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eShape:\u003c\/strong\u003e Flat gasket design for flush, clean installation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSilicone Rubber\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eColor\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBlack\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSize Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3mm – 12mm\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eQuantity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e10 Pieces per Pack\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTemperature Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e-40°C to +250°C\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eShape\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eFlat Gasket\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMade in China\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003ePerfect For\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eAutomotive body panels, firewalls, and engine compartments\u003c\/li\u003e\n  \u003cli\u003eElectronic enclosures and control boxes\u003c\/li\u003e\n  \u003cli\u003ePlumbing and pipe end caps\u003c\/li\u003e\n  \u003cli\u003eIndustrial machinery and equipment\u003c\/li\u003e\n  \u003cli\u003eDIY home improvement and workshop projects\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eRelated Products You May Like\u003c\/h3\u003e\n\u003cp\u003eLooking for more workshop and home improvement essentials? Check out these popular picks from our store:\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/1-percent-better-every-day-motivational-canvas-wall-art-print\"\u003e\"1% Better Every Day\" Motivational Canvas Wall Art Print\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/be-silly-be-honest-be-kind-quote-canvas-wall-art-print\"\u003e\"Be Silly, Be Honest, Be Kind\" Quote Canvas Wall Art Print\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSafety \u0026amp; Standards Reference\u003c\/h3\u003e\n\u003cp\u003eFor guidelines on safe use of rubber and polymer materials in consumer and industrial applications, visit the U.S. Consumer Product Safety Commission (CPSC).\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What hole sizes do these silicone rubber hole plugs fit?\u003c\/h4\u003e\n\u003cp\u003eA: This 10-piece set covers a range of hole diameters from \u003cstrong\u003e3mm to 12mm\u003c\/strong\u003e. Each plug is sized to snap or press firmly into its corresponding hole for a secure, flush seal. Please refer to the product images for specific size breakdowns included in the pack.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Can these rubber hole caps withstand high heat, such as in an engine bay?\u003c\/h4\u003e\n\u003cp\u003eA: Yes! These silicone rubber plugs are rated for temperatures from \u003cstrong\u003e-40°C to +250°C (-40°F to +482°F)\u003c\/strong\u003e, making them well-suited for use near engines, exhaust components, industrial ovens, and other high-heat environments without melting, warping, or degrading.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Are these hole plugs waterproof and suitable for outdoor use?\u003c\/h4\u003e\n\u003cp\u003eA: Absolutely. The silicone rubber material creates a reliable moisture-resistant seal and is resistant to UV, ozone, acids, and alkalis, making these caps durable for both indoor and outdoor applications over the long term.\u003c\/p\u003e\n\n\u003ch4\u003eQ: How do I install these silicone hole plugs?\u003c\/h4\u003e\n\u003cp\u003eA: Installation is simple — just press the appropriately sized plug into the drilled or punched hole. The soft, elastic silicone compresses slightly to create a snug, secure fit. No adhesive or tools are typically required.\u003c\/p\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What hole sizes do these silicone rubber hole plugs fit?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This 10-piece set covers a range of hole diameters from 3mm to 12mm. 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