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Exposed threads on a hydraulic fitting, a threaded rod sticking out of a machine guard, or the sharp end of a bolt – they all need protection. These vinyl rubber thread cover caps slip right over external threads from 1.5mm up to 24mm in diameter. The soft rubber cushions the tip, keeps dust and moisture out, and gives your hardware a finished look. This listing is for white caps, but black, red, clear, blue, yellow, and green are also available. I use them on threaded rod ends in my workshop, on hydraulic port plugs, and even on the tips of exposed screws in furniture to prevent snagged clothing. Pick the exact inner diameter you need from the 36 sizes we offer.
📏 36 inner diameters – from 1.5mm to 24mm – Covers tiny M2 threads up to large M24 studs. One source for almost any plastic thread cover cap size you need.
🛡️ Durable rubber with high hardness – Tough enough to resist wear, yet flexible enough to snap on easily. No cracking or tearing under normal use.
✨ Smooth, shiny surface – No rough edges or slipping once seated. The cap distributes pressure evenly so it won’t loosen on the thread.
🧪 Wear & corrosion resistant in harsh environments – These vinyl rubber end caps hold up to dust, moisture, and mild chemicals – perfect for workshops, garages, or outdoor equipment.
⚪ Clean white color (other colors available) – White caps stand out for color‑coding or blend into light‑colored equipment. Also available in black, red, clear, blue, yellow, and green. Contact us for custom colors.
🔧 Wide application – Works on hydraulic pipe joints, transition fittings, oil cylinders, valves, flanges, threaded rod ends, and even furniture hardware.
| Product Model | PVC Rubber Thread Cover Caps (vinyl rubber) |
|---|---|
| Material | Rubber / flexible vinyl |
| Inner Diameter Options | Φ1.5mm, 1.8, 2.0, 2.5, 3.0, 3.5, 4.0, 4.5, 5.0, 5.5, 6.0, 6.5, 7.0, 7.5, 8.0, 8.5, 9.0, 9.5, 10, 10.5, 11, 11.5, 12, 12.5, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24mm |
| Colors Available | White (primary for this listing), Black, Red, Clear, Blue, Yellow, Green – others on request |
| Primary Use | Protecting external threads, sealing pipe ends, dust‑proofing, decorative finishing |
| Key Properties | High hardness, strong toughness, wear‑resistant, corrosion‑resistant, smooth surface, non‑slip thread grip |
