<h2>50-Pack NBR Nitrile Rubber O-Ring Sealing Gaskets</h2> <p>Keep leaks at bay with this set of <strong>50 high-quality NBR (Nitrile Butadiene Rubber) O-rings</strong>. Engineered with a 1mm cross-section (CS) thickness and a round profile, these sealing washers are a must-have for any home workshop, automotive maintenance kit, or plumbing toolbox. Made in Mainland China.</p> <h3>Why Choose These O-Rings?</h3> <ul> <li> <strong>Premium Nitrile Rubber (NBR):</strong> Delivers excellent resistance to water, oils, heat, corrosion, and abrasion — ideal for demanding sealing applications.</li> <li> <strong>Anti-Leak Sealing:</strong> Effectively prevents leakage in fuel lines, water pipes, hydraulic connections, pneumatic systems, and general oil/air/water seal applications.</li> <li> <strong>Smooth Surface Finish:</strong> Reduces friction between mating parts (screws, nuts, fittings), helping maintain a secure, pressure-tight fit.</li> <li> <strong>Compact &amp; Lightweight:</strong> The entire 50-piece set weighs approximately 30g, making it easy to store in your toolbox, carry to a job site, or take on the go.</li> <li> <strong>Versatile Use:</strong> Suitable for home DIY projects, automotive maintenance, irrigation pipe interfaces, plumbing repairs, and more.</li> </ul> <h3>Specifications</h3> <ul> <li> <strong>Material:</strong> Nitrile Rubber (NBR)</li> <li> <strong>Cross-Section Thickness (CS):</strong> 1mm</li> <li> <strong>Outer Diameter (OD):</strong> Approx. 1.6 cm / 0.63 in</li> <li> <strong>Ring Thickness:</strong> Approx. 2.65 mm / 0.10 in</li> <li> <strong>Total Weight:</strong> Approx. 30g</li> <li> <strong>Quantity:</strong> 50 pcs per pack</li> <li> <strong>Shape:</strong> Round (O-Type)</li> <li> <strong>Country of Origin:</strong> Made in Mainland China</li> </ul> <h3>What's in the Box?</h3> <ul> <li>50 × NBR Nitrile Rubber O-Rings</li> </ul> <p><em>Note: Due to different lighting and screen settings, item colors may vary slightly from the pictures. Please allow a 1–2mm difference in size due to manual measurement tolerances.</em></p> <h3>Related Products You May Like</h3> <ul> <li><a href="/products/air-compressor-pressure-gauge-0-10-0-12-0-25-bar-hydraulic-diy">Air Compressor Pressure Gauge 0-10/0-12/0-25 Bar | DIY Tool</a></li> <li><a href="/products/garden-pruner-shears-secateurs-bonsai-fruit-trees">Garden Pruner Shears – Secateurs for Bonsai &amp; Fruit Trees</a></li> <li><a href="/products/balashov-2500w-handheld-steam-cleaner-kitchen-car-home">BALASHOV 2500W Handheld Steam Cleaner – Kitchen, Car &amp; Home</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 NBR (Nitrile Butadiene Rubber), a high-performance elastomer known for its excellent resistance to oils, fuels, water, heat, and corrosion. This makes NBR nitrile rubber O-rings a reliable choice for automotive, plumbing, hydraulic, and pneumatic sealing applications where durability is essential.</p> <h4>Q: What size are the O-rings in this 50-pack?</h4> <p>A: Each NBR sealing gasket has a cross-section (CS) thickness of 1mm, an outer diameter of approximately 1.6 cm (0.63 in), and a ring thickness of approximately 2.65 mm (0.10 in). Please allow a small tolerance of 1–2mm due to manual measurement.</p> <h4>Q: What applications are these nitrile rubber O-rings suitable for?</h4> <p>A: These NBR O-rings are suitable for a wide range of sealing needs, including irrigation water pipe interfaces, hydraulic and pneumatic connections, fuel line seals, automotive fittings, plumbing repairs, and general home DIY projects requiring a leak-free seal for oil, air, or water.</p> <script type="application/ld+json">{"@context": "https://schema.org", "@type": "FAQPage", "mainEnti