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That metal chair leg scraping your hardwood? Or those exposed bolt threads poking out of a DIY shelf? These white round silicone rubber end caps slide right over tubes, legs, and screw tips – problem solved. They’re soft enough to protect floors, yet tough enough to handle daily bumping. Made from silicone rubber that stays flexible from -40°C up to 250°C, so they won’t crack in the cold or melt near a radiator. Use them on chair legs, walker tubes, table feet, screw protectors, or even as plugs for open pipes. Sizes from tiny 3mm up to 157.5mm – you’ll find the right fit.
Elastic silicone rubber material – Stretches to fit snugly over round tubes, chair legs, screws, and rods. No slipping, no tools required.
Wide size range (3mm – 157.5mm) – Covers everything from tiny precision electronics hardware to large furniture tubing and pipe ends.
Excellent wear & aging resistance – Won't dry out, crack, or become brittle after years of use. Keeps its grip and shape.
Non-slip & floor friendly – The soft rubber adds traction to chair legs and walkers while preventing scratches on tile, wood, or concrete.
Built‑in insulation & sealing – Acts as a dielectric barrier for exposed screw threads or terminals. Also seals tube ends against dust and moisture.
Extreme temperature tolerance – Rated for -40°C to 250°C. Perfect for garage tools, outdoor furniture, or even hot industrial pipe caps.
| Brand | Home DIYer |
|---|---|
| Product Name | Rubber End Caps (White Round Silicone) |
| Material | Silicone Rubber (elastic, non‑toxic, odorless) |
| Available Sizes (Inner Diameter) | 3mm, 4mm, 5mm, 6mm, 8mm, 10mm, 12mm, 14mm, 16mm, 18mm, 20mm, up to 157.5mm (contact for full size list) |
| Color | White |
| Temperature Rating | High: 250°C (482°F) / Low: -40°C (-40°F) |
| Measurement System | Metric |
| Key Properties | Elasticity, wear resistance, aging resistance, insulation, anti‑slip, sealing |
| Application Scenarios | Chair leg caps, screw protectors, tube plugs, walker feet, table glides, hardware covers, pipe end seals, sports equipment grips |
Yes – the silicone rubber grips firmly. For best results, measure the outer diameter of your chair leg or tube and choose an end cap with an inner diameter slightly smaller (about 0.5–1mm less). The stretch creates a snug fit that won't slide off during normal use. If you're putting them on walkers or exercise equipment, they'll hold tight.
Absolutely. These caps are rated for continuous exposure up to 250°C. That means they’re safe for covering bolts on ovens, sealing hot water pipe ends, or protecting threads on engine components. At -40°C they stay flexible too – no cracking in freezers or outdoor winter setups.
That's one of their most popular uses. Slip a cap over any metric screw or bolt end – M3 up to very large sizes. The silicone insulates the sharp threads, prevents snagged clothing, and stops rust from starting on the tip. Great for furniture assembly, DIY projects, or industrial equipment where open bolts are a hazard.
Silicone is non‑porous and easy to clean. Just wipe with a damp cloth and mild dish soap. For stubborn grime, soak in warm soapy water for a few minutes, then rinse. Avoid abrasive scrubbers that could tear the rubber. They'll look like new again.
This listing lets you choose the exact size you need. We don't pre‑make mixed assortments because everyone's project is different. But you can order multiple individual sizes in one purchase. If you need a custom assortment, contact us – we can bundle smaller quantities of various diameters for you.
