70-Piece Rubber Grommet Kit – Cable Wire Protector & Hole Seal
70-Piece Rubber Grommet Assortment Kit — Complete Cable & Wire Protection
Keep your wiring tidy, secure, and protected with this comprehensive rubber grommet assortment kit. Whether you're tackling a home plumbing project, automotive wiring, electronics installation, or general DIY work, these black rubber grommets provide a clean, professional seal around cables, pipes, and wires passing through metal panels, wood, or plastic enclosures.
Why You Need This Kit
Sharp edges on drilled holes can cut through wire insulation over time, leading to shorts and failures. These grommets act as a barrier between the sharp edge and your cables, preventing wear and friction damage while creating a neat, finished look.
Kit Contents — 70 Pieces in 7 Sizes
- 10 × K5*7 — Inner Ø 5mm / Outer Ø 7mm
- 10 × K6*8 — Inner Ø 6mm / Outer Ø 8mm
- 10 × K7*9 — Inner Ø 7mm / Outer Ø 9mm
- 10 × K8*10 — Inner Ø 8mm / Outer Ø 10mm
- 10 × K10*12 — Inner Ø 10mm / Outer Ø 12mm
- 10 × K12*14 — Inner Ø 12mm / Outer Ø 14mm
- 10 × K14*17 — Inner Ø 14mm / Outer Ø 17mm
Key Features
- Durable Rubber Construction — Flexible, resilient material that fits snugly into drilled or punched holes without cracking or deforming.
- Anti-Friction & Edge Protection — Prevents cables and wires from rubbing against rough or sharp edges, reducing wear over time.
- Versatile Sizing — Seven distinct sizes in a single kit means you'll always have the right grommet on hand for the job.
- Easy Installation — Simply press-fit into the hole; no tools or adhesives required.
- Universal Application — Suitable for automotive panels, electrical enclosures, plumbing pass-throughs, computer cases, appliances, and more.
- Color: Black
Specifications
| Material | Rubber |
| Color | Black |
| Total Pieces | 70 (10 per size × 7 sizes) |
| Sizes Included | K5*7, K6*8, K7*9, K8*10, K10*12, K12*14, K14*17 |
| Country of Origin | Made in China |
Common Applications
- Automotive wiring harness pass-throughs
- Home electrical panel and conduit installations
- Plumbing pipe hole sealing
- Computer case cable management
- DIY electronics projects and enclosures
- Appliance repair and maintenance
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Frequently Asked Questions
Q: What materials are compatible with these rubber grommets?
A: These rubber grommets are designed for use with metal, wood, and plastic panels. They work well in automotive bodies, electrical enclosures, appliance housings, and plywood — anywhere a cable or pipe needs to pass through a drilled or punched hole cleanly and safely.
Q: How do I know which grommet size to use?
A: Measure the inner diameter of the hole you've drilled. Select the grommet whose inner dimension (the first number, e.g. "K8" = 8mm inner) matches the cable or pipe diameter, and whose outer dimension fits the hole in your panel. With 7 sizes included in this assortment kit, you'll have the right fit for most standard hole sizes.
Q: Are these grommets reusable?
A: Yes — the flexible rubber construction allows the grommets to be pressed in and removed multiple times without losing their shape or sealing ability, making them ideal for temporary installations or adjustable setups.
Q: Is this kit suitable for automotive wiring installations?
A: Absolutely. These rubber grommets are a popular choice for automotive wiring harness pass-throughs, firewall cable routing, and panel installations, providing a secure seal and protecting wires from sharp metal edges and vibration-related friction.
Production & Packaging Notice
To maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.