Unique-Bargains
Unique-Bargains Rubber Hose End Cap Red 100pcs
Red rubber hose end caps with a 4mm inner diameter protect threads on hoses and fittings, supplied in a pack of 100 pieces
- TypeHI - Wire & Cable Connectors & Insulation
- Red rubber caps protect 4mm threads from damage and debris
- 100-piece pack covers large jobs or provides plenty of spares
- Lightweight 27g total weight adds minimal mass to assemblies
- Compact 16mm length fits tight spaces in automotive and industrial use
- Silicone material resists heat, oil and vibration in hose applications
Rubber Hose End Caps for Thread Protection
These red rubber caps fit over 4 mm inner diameter threads to shield them from damage and contamination. The pack contains one hundred pieces, giving enough coverage for multiple automotive or industrial jobs. They suit mechanics and technicians who need a simple, reusable way to blank off hose ends or protect screw threads during assembly or storage. Buyers looking for larger diameters or different materials will need another solution.
Behaviour under sustained use
The silicone rubber retains its elasticity after repeated fitting and removal, so the caps stay snug on brake lines, vacuum hoses or alloy hard pipe. They resist cracking when left in place for long periods, maintaining a reliable seal against dust and moisture. The material handles the temperature swings common in engine bays without becoming brittle. Users who require a positive locking mechanism should consider a different style of connector.
Thermals, noise and power
As passive rubber components they generate no heat, draw no power and produce no noise during operation. The lightweight 27 g total pack weight adds negligible mass to a wiring loom or hose bundle. Their compact 16 mm length and 6 mm outer profile keep clearances tight in crowded compartments. Installers needing high-temperature ratings beyond standard silicone range must verify suitability separately.
Highlights
- Red rubber caps protect 4mm threads from damage and debris
- 100-piece pack covers large jobs or provides plenty of spares
- Lightweight 27g total weight adds minimal mass to assemblies
- Compact 16mm length fits tight spaces in automotive and industrial use
- Silicone material resists heat, oil and vibration in hose applications
Specifications
| Type | HI - Wire & Cable Connectors & Insulation |
|---|---|
| Brand | Unique Bargains |
Questions about this item
Will 100 red rubber caps of 4mm inner diameter add noticeable weight to a harness?
The full pack weighs only 27g, so the caps contribute negligible mass to any wiring loom.
Do these caps fit over a standard 4mm thread without additional tools?
Yes, each cap has a 4mm inner diameter and slips onto the thread by hand.
Can the 16mm long caps cover exposed threads on older alloy hard pipe?
The 16mm length covers typical threaded sections on alloy pipe, and the rubber material seals both braided hose and vacuum hose ends.
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