{"product_id":"mirror-screws-decorative-caps-stainless-steel-m12-m40","title":"Mirror Screws with Decorative Caps – Polished Stainless Steel Cover, Plastic Washer \u0026 Carbon Steel Screw, M12–M40","description":"\u003cdiv class=\"hdiy-desc\"\u003e\n\n\u003cdiv class=\"hdiy-overview\"\u003e\n  \u003ch2\u003eMirror Screws with Decorative Caps — Mount Glass Cleanly, Hide Every Screw Head\u003c\/h2\u003e\n  \u003cp\u003eMounting a heavy mirror or glass panel usually means exposed screw heads that ruin an otherwise clean wall. These \u003cstrong\u003epolished stainless steel mirror screws with decorative caps\u003c\/strong\u003e solve that problem — the cap snaps over the screw head after installation, leaving a sleek, polished finish that looks like a custom trim piece.\u003c\/p\u003e\n  \u003cp\u003eEach set is a complete 3-piece kit: a carbon steel screw for solid wall anchoring, a plastic washer to protect the glass surface from direct metal contact, and a polished stainless steel decorative cap in your chosen diameter (12mm to 40mm, approximately 0.47\" to 1.57\"). Cap sizes scale with mirror weight and visual preference — smaller caps for discreet holds, larger caps for heavy commercial mirrors or a bold design statement.\u003c\/p\u003e\n  \u003cp\u003eIdeal for frameless bathroom mirrors, glass shower panels, retail display cases, signage boards, and any project where you want the fastener to disappear into the design. A go-to hardware choice for DIYers, interior designers, glaziers, and fit-out contractors.\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 glass mirrors, acrylic panels, and frameless glass installations — cap diameters M12 to M40 (12mm–40mm \/ ~0.47\"–1.57\"); suits standard metric wall anchors and masonry\/drywall fixings\n\u003c\/div\u003e\n\n\u003cdiv\u003e\n  \u003ch2\u003e✅ Key Features of These Mirror Screws with Decorative 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\u003eComplete 3-Piece Kit:\u003c\/strong\u003e Polished stainless steel decorative cap + plastic washer + carbon steel screw — everything needed for a professional mirror installation, no extra hardware required.\u003c\/span\u003e\n    \u003c\/li\u003e\n    \u003cli\u003e\n      \u003cspan class=\"hdiy-icon\"\u003e✨\u003c\/span\u003e\n      \u003cspan\u003e\u003cstrong\u003ePolished Stainless Steel Cap:\u003c\/strong\u003e The visible part is bright, corrosion-resistant, and easy to wipe clean. Won't rust or tarnish like plated brass alternatives — holds its finish in humid bathrooms and shower rooms.\u003c\/span\u003e\n    \u003c\/li\u003e\n    \u003cli\u003e\n      \u003cspan class=\"hdiy-icon\"\u003e🛡️\u003c\/span\u003e\n      \u003cspan\u003e\u003cstrong\u003ePlastic Washer Protects Glass:\u003c\/strong\u003e Prevents direct metal-to-glass contact, distributes clamping pressure evenly, and reduces the risk of stress cracks — especially important for thin or tempered glass panels.\u003c\/span\u003e\n    \u003c\/li\u003e\n    \u003cli\u003e\n      \u003cspan class=\"hdiy-icon\"\u003e📐\u003c\/span\u003e\n      \u003cspan\u003e\u003cstrong\u003eWide Cap Diameter Range (M12–M40):\u003c\/strong\u003e Nine sizes from 12mm to 40mm let you match the cap to your mirror thickness and decor. Larger caps for heavy mirrors or bold aesthetics; smaller caps for a discreet, minimal look.\u003c\/span\u003e\n    \u003c\/li\u003e\n    \u003cli\u003e\n      \u003cspan class=\"hdiy-icon\"\u003e💪\u003c\/span\u003e\n      \u003cspan\u003e\u003cstrong\u003eCarbon Steel Screw Body:\u003c\/strong\u003e The hidden screw provides the structural strength — solid enough for wall anchor use on mirrors up to typical residential weights. The cap conceals it completely after installation.\u003c\/span\u003e\n    \u003c\/li\u003e\n    \u003cli\u003e\n      \u003cspan class=\"hdiy-icon\"\u003e🔧\u003c\/span\u003e\n      \u003cspan\u003e\u003cstrong\u003eSimple Two-Step Install:\u003c\/strong\u003e Drive the screw base into the wall anchor until the washer seats against the mirror, then snap or thread the polished cap onto the exposed screw head. No glue, no special tools, no visible hardware.\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\u003eHomeowners Installing Frameless Mirrors\u003c\/strong\u003e\n    \u003cp\u003eHang bathroom, bedroom, or hallway mirrors with a clean, polished finish — no exposed screw heads, no rust rings, no mismatched hardware.\u003c\/p\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"hdiy-usecase-item\"\u003e\n    \u003cspan\u003e🏗️\u003c\/span\u003e\n    \u003cstrong\u003eGlaziers \u0026amp; Fit-Out Contractors\u003c\/strong\u003e\n    \u003cp\u003eA reliable, professional-grade fixing for glass shower panels, retail display cases, signage boards, and commercial mirror installations.\u003c\/p\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"hdiy-usecase-item\"\u003e\n    \u003cspan\u003e🎨\u003c\/span\u003e\n    \u003cstrong\u003eInterior Designers \u0026amp; Renovators\u003c\/strong\u003e\n    \u003cp\u003eUse larger decorative caps (30–40mm) as a deliberate design element — the polished cap becomes part of the aesthetic, not just a fastener.\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\u003eMirror Screw with Decorative Cap (3-piece set)\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003cth\u003eCap Material\u003c\/th\u003e\n\u003ctd\u003ePolished Stainless Steel (visible, corrosion-resistant)\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003cth\u003eWasher Material\u003c\/th\u003e\n\u003ctd\u003ePlastic (glass-protection washer)\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003cth\u003eScrew Material\u003c\/th\u003e\n\u003ctd\u003eCarbon Steel (hidden, high-strength)\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003cth\u003eCap Diameter Options\u003c\/th\u003e\n\u003ctd\u003eM12 (12mm \/ 0.47\"), M14 (14mm \/ 0.55\"), M16 (16mm \/ 0.63\"), M18 (18mm \/ 0.71\"), M20 (20mm \/ 0.79\"), M22 (22mm \/ 0.87\"), M25 (25mm \/ 0.98\"), M30 (30mm \/ 1.18\"), M40 (40mm \/ 1.57\")\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003cth\u003eThread Standard\u003c\/th\u003e\n\u003ctd\u003eMetric (standard metric wall anchor compatible)\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003cth\u003eFinish\u003c\/th\u003e\n\u003ctd\u003eMirror-polished (bright silver)\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003cth\u003eInstallation Method\u003c\/th\u003e\n\u003ctd\u003eDrive screw into wall anchor → seat washer against glass → snap\/thread cap over screw head\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003cth\u003eSuitable Surfaces\u003c\/th\u003e\n\u003ctd\u003eGlass mirrors, tempered glass, acrylic panels, frameless glass installations\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003cth\u003eEnvironment Rating\u003c\/th\u003e\n\u003ctd\u003eMoisture-resistant; suitable for bathrooms, kitchens, and humid environments\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003cth\u003ePacking Options\u003c\/th\u003e\n\u003ctd\u003e1 \/ 2 \/ 5 \/ 10 \/ 20 pcs — select above\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\u003eHow do I install these mirror screws correctly?\u003c\/summary\u003e\n    \u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003eDrill a hole in the wall using a masonry or drywall bit sized to match the screw diameter. Insert a wall anchor if needed. Drive the carbon steel screw into the anchor until the plastic washer presses snugly against the mirror or glass surface — do not overtighten. Finally, snap or thread the polished stainless steel cap onto the exposed screw head until it sits flush. No visible hardware remains.\u003c\/p\u003e\u003c\/div\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eWhat cap size should I choose for my mirror?\u003c\/summary\u003e\n    \u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003eFor typical home bathroom mirrors, 20mm–25mm caps work well and look balanced. Larger caps (30mm–40mm) suit heavy commercial mirrors or work as a deliberate design feature. Smaller caps (12mm–16mm) are ideal for lightweight or acrylic mirrors where a discreet fixing is preferred. The cap diameter is decorative — the screw size is standard across all variants.\u003c\/p\u003e\u003c\/div\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eAre these rust-proof for bathrooms and shower rooms?\u003c\/summary\u003e\n    \u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003eThe stainless steel cap is fully corrosion-resistant and handles high humidity without rusting or tarnishing. The carbon steel screw is hidden behind the cap and washer, so moisture typically doesn't reach it. For steam showers or direct water spray environments, we recommend adding a small dab of silicone sealant over the screw head before fitting the cap for added protection.\u003c\/p\u003e\u003c\/div\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eCan I use these on glass panels or acrylic mirrors?\u003c\/summary\u003e\n    \u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003eYes. The plastic washer is specifically designed to prevent glass-to-metal contact, reducing the risk of stress cracks. For acrylic (plastic) mirrors, the washer is even more important as acrylic is more sensitive to point pressure. Always tighten to snug — not tight — so the washer just contacts the surface without compressing it.\u003c\/p\u003e\u003c\/div\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eHow do I clean the polished stainless steel caps?\u003c\/summary\u003e\n    \u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003eWipe with a soft damp cloth and mild soap or glass cleaner. Avoid abrasive pads or acidic cleaners (vinegar, bleach) as they can dull the polished finish over time. A microfiber cloth restores shine and removes fingerprints quickly.\u003c\/p\u003e\u003c\/div\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eHow do I make sure the cap fits flush after installation?\u003c\/summary\u003e\n    \u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003eMeasure the distance from the wall to the mirror surface before ordering. The cap needs enough clearance to snap fully over the screw head and washer stack. If the washer is too thick, the cap may not seat all the way. Use the included thin plastic washer, or if you need more clearance, a thinner aftermarket washer of the same diameter will work.\u003c\/p\u003e\u003c\/div\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eDo I need wall anchors, or are they included?\u003c\/summary\u003e\n    \u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003eWall anchors are not included — the set contains the decorative cap, plastic washer, and carbon steel screw only. For drywall or plaster walls, use a suitable plastic expansion anchor sized to the screw diameter. For masonry or concrete, use a masonry anchor. For timber studs, the screw can go directly into the stud without an anchor.\u003c\/p\u003e\u003c\/div\u003e\n  \u003c\/details\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"hdiy-cta\"\u003e🛒 Select your cap size (M12–M40) and pack quantity above, then add to cart.\u003c\/div\u003e\n\n\u003c\/div\u003e","brand":"HomeDIYer","offers":[{"title":"M12 (Cap Dia.12mm) \/ 2 pcs","offer_id":52253490217234,"sku":"AdaahGB16750x2","price":2.3,"currency_code":"USD","in_stock":true},{"title":"M12 (Cap Dia.12mm) \/ 5 pcs","offer_id":52253490250002,"sku":"AdaahGB16750x5","price":3.44,"currency_code":"USD","in_stock":true},{"title":"M12 (Cap Dia.12mm) \/ 10 pcs","offer_id":52253490282770,"sku":"AdaahGB16750x10","price":5.64,"currency_code":"USD","in_stock":true},{"title":"M12 (Cap Dia.12mm) \/ 20 pcs","offer_id":52253490315538,"sku":"AdaahGB16750x20","price":9.97,"currency_code":"USD","in_stock":true},{"title":"M14 (Cap Dia.14mm) \/ 2 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