<h2>225-Piece Nitrile Rubber O-Ring Assortment Kit</h2> <p>Keep leaks at bay with this comprehensive <strong>225-piece nitrile rubber O-ring set</strong>. Designed for both professional tradespeople and dedicated DIY enthusiasts, this multi-size assortment covers an enormous range of sealing applications — from plumbing fixtures and hydraulic fittings to automotive fuel systems, air compressors, and garden hose connectors. Having all the sizes you need in one organized kit means fewer trips to the hardware store and faster repairs every time.</p> <p><strong>Made in Mainland China.</strong></p> <h3>Why Choose This O-Ring Kit?</h3> <ul> <li> <strong>225 Pieces, Multiple Sizes:</strong> A wide variety of inner diameters and cross-section thicknesses so you always have the right size on hand for any seal replacement job.</li> <li> <strong>Premium Nitrile Rubber (NBR):</strong> Nitrile offers excellent resistance to oils, fuels, hydraulic fluids, and water — making these O-rings ideal for demanding environments.</li> <li> <strong>High-Pressure Rated:</strong> Engineered to maintain a reliable seal under high-pressure conditions, preventing fluid or gas leaks in critical connections.</li> <li> <strong>Elastic &amp; Durable:</strong> Superior elasticity ensures a tight, consistent fit that holds up over repeated use and temperature fluctuations.</li> <li> <strong>Versatile Applications:</strong> Perfect for plumbing, automotive, appliance repair, pneumatic and hydraulic systems, garden equipment, and general mechanical work.</li> <li> <strong>Organized Storage:</strong> Rings are sorted by size for quick identification, keeping your workspace efficient and clutter-free.</li> </ul> <h3>Key Specifications</h3> <ul> <li> <strong>Quantity:</strong> 225 pieces</li> <li> <strong>Material:</strong> Nitrile Rubber (NBR)</li> <li> <strong>Type:</strong> O-Rings / Gasket Seals</li> <li> <strong>Suitable For:</strong> High-pressure sealing, plumbing, automotive, pneumatics, hydraulics</li> <li> <strong>Origin:</strong> Made in Mainland China</li> </ul> <h3>Common Uses</h3> <ul> <li>Faucet and tap repair</li> <li>Automotive fuel line and engine sealing</li> <li>Air compressor and pneumatic tool maintenance</li> <li>Garden hose and irrigation fittings</li> <li>Hydraulic cylinder and pump repair</li> <li>Household appliance seals (washing machines, dishwashers)</li> </ul> <h3>Related Products You May Like</h3> <ul> <li><a href="/products/1pcs-silicone-bathroom-basin-drain-ring-gasket-replacement-for-bathtub-sink-pop-up-plug-cap-washer-seal-floor-drain-accessory">Silicone Bathroom Basin Drain Ring Gasket Replacement</a></li> <li><a href="/products/1pc-precision-japanese-double-edged-hand-saw-sk5-steel-fine-toothed-for-carpentry-and-gardening-6-inch-blade-portable-mini-1">Precision Japanese Double-Edged Hand Saw – SK5 Steel</a></li> <li><a href="/products/1pc-professional-heavy-duty-pruning-shears-with-anti-slip-handle-design-suitable-for-trimming-thick-and-sturdy-branches">Professional Heavy-Duty Pruning Shears</a></li> </ul> <p>Learn more: <a href="https://www.osha.gov/personal-protective-equipment" target="_blank" rel="noopener">OSHA on personal protective equipment</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>, which is one of the most widely used sealing materials in industrial and household applications. NBR provides excellent resistance to petroleum-based oils, fuels, hydraulic fluids, and water, making it suitable for a broad range of plumbing, automotive, and mechanical sealing tasks.</p> <h4>Q: How many sizes are included in the 225-piece O-ring kit?</h4> <p>A: The kit contains <strong>225 pieces spanning multiple sizes</strong> — varying in both inner diameter and cross-section (cord) thickness. This ensures you have a compatible O-ring for most