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Mounting a heavy mirror or glass panel usually means exposed screw heads that ruin an otherwise clean wall. These polished stainless steel mirror screws with decorative caps solve that problem — the cap snaps over the screw head after installation, leaving a sleek, polished finish that looks like a custom trim piece.
Each 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.
Ideal 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.
Hang bathroom, bedroom, or hallway mirrors with a clean, polished finish — no exposed screw heads, no rust rings, no mismatched hardware.
A reliable, professional-grade fixing for glass shower panels, retail display cases, signage boards, and commercial mirror installations.
Use larger decorative caps (30–40mm) as a deliberate design element — the polished cap becomes part of the aesthetic, not just a fastener.
| Product Type | Mirror Screw with Decorative Cap (3-piece set) |
|---|---|
| Cap Material | Polished Stainless Steel (visible, corrosion-resistant) |
| Washer Material | Plastic (glass-protection washer) |
| Screw Material | Carbon Steel (hidden, high-strength) |
| Cap Diameter Options | M12 (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") |
| Thread Standard | Metric (standard metric wall anchor compatible) |
| Finish | Mirror-polished (bright silver) |
| Installation Method | Drive screw into wall anchor → seat washer against glass → snap/thread cap over screw head |
| Suitable Surfaces | Glass mirrors, tempered glass, acrylic panels, frameless glass installations |
| Environment Rating | Moisture-resistant; suitable for bathrooms, kitchens, and humid environments |
| Packing Options | 1 / 2 / 5 / 10 / 20 pcs — select above |
Drill 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.
For 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.
The 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.
Yes. 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.
Wipe 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.
Measure 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.
Wall 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.
