<h2>NBR O-Ring Assortment Kit – Leak-Proof Sealing for Home, Auto &amp; Industry</h2> <p>Keep every faucet, pipe, and hydraulic connection sealed tight with this comprehensive <strong>200/400-piece NBR O-Ring Assortment Kit</strong>. Whether you're tackling a dripping kitchen tap, servicing your vehicle, or maintaining pneumatic equipment, this all-in-one box gives you the right ring for the job — every time.</p> <h3>Why Choose This O-Ring Kit?</h3> <ul> <li> <strong>Premium Nitrile Rubber (NBR) Material:</strong> Engineered for outstanding wear resistance, flexibility, and long service life — even under demanding daily use.</li> <li> <strong>Excellent Corrosion &amp; Chemical Resistance:</strong> Withstands moisture, oils, and a wide range of common chemicals without degrading, cracking, or losing its seal.</li> <li> <strong>Versatile Size Range:</strong> Includes multiple sizes (as shown in product images) to cover faucets, valves, pipes, automotive components, pneumatic fittings, hydraulic systems, and household appliances.</li> <li> <strong>Leak-Proof Sealing Performance:</strong> Each ring is precision-formed to deliver stable, airtight and watertight seals with minimal installation effort.</li> <li> <strong>Compact &amp; Organised Storage:</strong> Neatly packaged in a single box for quick size identification and tidy storage in your toolbox or workshop.</li> <li> <strong>Professionally Tested Quality:</strong> Every batch undergoes quality assurance checks so you can trust the integrity of every seal.</li> <li> <strong>200 or 400-Piece Options:</strong> Choose the quantity that best suits your maintenance workload — ideal for both occasional home repairs and frequent professional use.</li> </ul> <h3>Key Specifications</h3> <table> <tr> <td><strong>Material</strong></td> <td>Nitrile Rubber (NBR)</td> </tr> <tr> <td><strong>Color</strong></td> <td>Black</td> </tr> <tr> <td><strong>Quantity</strong></td> <td>200 PCS or 400 PCS (optional)</td> </tr> <tr> <td><strong>Size Range</strong></td> <td>Multiple sizes — refer to product images for dimensions</td> </tr> <tr> <td><strong>Country of Origin</strong></td> <td>Made in China</td> </tr> </table> <h3>Wide Range of Applications</h3> <ul> <li>🔧 <strong>Plumbing &amp; Faucet Repair</strong> – Stop drips and seal pipe joints quickly</li> <li>🚗 <strong>Automotive Maintenance</strong> – Seal fuel systems, engine components, and fluid lines</li> <li>⚙️ <strong>Hydraulic &amp; Pneumatic Systems</strong> – Dependable sealing for pressurised connections</li> <li>🏠 <strong>Household Appliances</strong> – Restore washing machines, dishwashers, and more</li> <li>🏭 <strong>Industrial Machinery</strong> – Suitable for a broad range of mechanical sealing tasks</li> </ul> <h3>Related Products You May Like</h3> <ul> <li><a href="/products/screw-extractor-drill-bit-set-carbon-steel-double-sided">Screw Extractor Drill Bit Set 5 &amp; 6 Pc – Carbon Steel</a></li> <li><a href="/products/no-drill-radiator-pipe-hooks-towel-clothes-hangers-2-pack">2-Pack No-Drill Radiator Pipe Hooks – Towel &amp; Garment Hangers</a></li> <li><a href="/products/silicone-cable-ties-reusable-cord-organizers-10-pack">10-Pack Silicone Cable Ties – Reusable Cord Organizers</a></li> </ul> <p>Learn more: <a href="https://www.osha.gov/eye-face-protection" target="_blank" rel="noopener">OSHA on eye and face protection</a></p> <h3>Frequently Asked Questions</h3> <h4>Q: What material are these O-rings made from and why does it matter?</h4> <p>A: These O-rings are made from <strong>Nitrile Rubber (NBR)</strong>, a synthetic rubber known for its excellent resistance to oils, fuels, water, and many common chemicals. NBR is the industry-standard material for plumbing, automotive, and hydraulic sealing applications because it maintains its shape and sealing ability across a wide range of temperatures and conditions.</p> <h4>Q: How many sizes are included in the kit?</h4> <p>A: The ki