<h2>10-Pack Black FKM Rubber O-Rings – High-Temperature Sealing Gaskets</h2> <p>Keep your plumbing, hydraulic, and mechanical systems leak-free with these premium <strong>black FKM rubber O-rings</strong>. Engineered from high-grade Fluorocarbon (FKM) rubber, this 10-piece assortment kit delivers outstanding resistance to extreme heat, oils, fuels, and chemicals — making them a dependable choice for both professional and DIY applications.</p> <p>Made in Mainland China.</p> <h3>Key Features</h3> <ul> <li> <strong>FKM Rubber Construction:</strong> Long-lasting fluorocarbon rubber provides superior resistance to oils, fuels, solvents, and a wide range of chemicals.</li> <li> <strong>High-Temperature Resistant:</strong> Engineered to withstand extreme heat conditions, ensuring reliable sealing performance even in demanding environments.</li> <li> <strong>Effective Sealing:</strong> Precision-formed ring design creates a tight, secure seal to prevent leaks and maintain system integrity in fixed and dynamic applications.</li> <li> <strong>Precise Standard Sizes:</strong> Available in exact dimensions of <strong>13×2.4 mm</strong> and <strong>15×2.4 mm</strong> for broad compatibility with plumbing fixtures, machinery, and equipment.</li> <li> <strong>10-Piece Multi-Pack:</strong> Generous quantity means you always have a replacement on hand for maintenance, repair, or new installation projects.</li> <li> <strong>Black Color:</strong> Classic black finish for easy identification in any workspace.</li> </ul> <h3>Specifications</h3> <table> <tr> <td><strong>Material</strong></td> <td>FKM Rubber (Fluorocarbon)</td> </tr> <tr> <td><strong>Color</strong></td> <td>Black</td> </tr> <tr> <td><strong>Sizes</strong></td> <td>13×2.4 mm / 15×2.4 mm</td> </tr> <tr> <td><strong>Quantity</strong></td> <td>10 Pieces</td> </tr> <tr> <td><strong>Type</strong></td> <td>Combination / Assortment Kit</td> </tr> <tr> <td><strong>Origin</strong></td> <td>Mainland China</td> </tr> </table> <h3>Package Contents</h3> <ul> <li>10 × FKM Rubber O-Rings</li> </ul> <h3>Common Applications</h3> <ul> <li>Plumbing fittings and pipe connections</li> <li>Hydraulic and pneumatic systems</li> <li>Automotive fuel and oil systems</li> <li>Industrial machinery and equipment</li> <li>DIY home repair and maintenance</li> </ul> <p><strong>Please Note:</strong> Actual color may vary slightly from on-screen images due to monitor brightness and lighting conditions. Please allow for minor measurement tolerances.</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/balashov-2500w-handheld-steam-cleaner-kitchen-car-home">BALASHOV 2500W Handheld Steam Cleaner – Kitchen, Car &amp; Home</a></li> <li><a href="/products/garden-pruner-shears-secateurs-bonsai-fruit-trees">Garden Pruner Shears – Secateurs for Bonsai &amp; Fruit Trees</a></li> </ul> <p>Learn more: <a href="https://www.osha.gov/hand-power-tools" target="_blank" rel="noopener">OSHA guidance on hand and power tools</a></p> <h3>Frequently Asked Questions</h3> <h4>Q: What does FKM rubber mean, and why is it better for high-temperature sealing?</h4> <p>A: FKM stands for Fluorocarbon rubber (also known by the trade name Viton®). It is a synthetic rubber material that offers exceptional resistance to high temperatures, oils, fuels, and harsh chemicals. Compared to standard NBR or silicone O-rings, FKM rubber O-rings maintain their shape and sealing performance even under extreme heat, making them ideal for demanding plumbing, automotive, hydraulic, and industrial applications.</p> <h4>Q: What sizes are included in this 10-pack FKM O-ring kit?</h4> <p>A: This kit includes O-rings in two precise standard sizes: <strong>13×2.4 mm</strong> and <strong>15×2.4 mm</strong> (inner diameter × cross-section). These dimensio