Stop Leaks Fast with This Complete NBR O-Ring Assortment Kit

Whether you're fixing a dripping faucet, sealing a pneumatic fitting, or maintaining your car's fluid system, this NBR (Nitrile Butadiene Rubber) O-Ring Assortment Kit has you covered. With up to 1,200 pieces across a wide range of sizes, this all-in-one sealing solution saves you time and money on household plumbing, automotive, and industrial repairs.

Key Features

Comprehensive Size Range: OD from 6mm to 28mm in three thickness options (1.5mm, 2.4mm, 3.1mm) — perfect for virtually any standard fitting.
High-Quality Nitrile (NBR) Rubber: Excellent resistance to oils, fuels, hydraulic fluids, and water — ideal for automotive, plumbing, and pneumatic applications.
740 or 1200 Piece Set: Two set sizes to match your needs — from occasional home repairs to professional workshop use.
Flat Gasket / O-Ring Shape: Standard sizing for easy compatibility with most valves, faucets, pipes, and connectors.
Organized Storage Case: Neatly packed in a labeled plastic case so you can quickly find the right size — no more rummaging through loose parts.
CE Certified: Meets European conformity standards for quality and safety.
Versatile Use: Suitable for faucet repair, water pipe sealing, automotive fluid systems, pneumatic tools, hydraulic machinery, and more.

Specifications

Material: Nitrile (NBR) Rubber
Color: Black
Thickness: 1.5mm | 2.4mm | 3.1mm
Outer Diameter (OD): 6mm – 28mm
Piece Count: 740 pieces or 1200 pieces (set options)
Shape: Flat Gasket / O-Ring
Certification: CE
Country of Origin: Made in China

Where Can You Use These O-Rings?

This kit is built for everyday repair and maintenance across multiple applications:

🔧 Plumbing & Faucets: Seal leaking taps, valves, and water connectors with the right-sized ring every time.
🚗 Automotive: Use in engine oil systems, fuel lines, hydraulic brakes, and air conditioning fittings.
💨 Pneumatic Tools: Maintain airtight seals in compressors, air guns, and pneumatic cylinders.
🏭 Industrial & DIY: Ideal for mechanics, plumbers, and DIY enthusiasts who need reliable seals on hand at all times.

Why Choose NBR (Nitrile) Rubber?

NBR is one of the most widely used sealing materials in the world due to its excellent resistance to petroleum-based oils and fuels, water, and moderate heat. Learn more about elastomer sealing materials and their industrial applications at the National Institute of Standards and Technology (NIST).

Related Products You May Need

1-Channel SCR Solid State Relay Module DC3-24V 40A Optocoupler – great for automated control in plumbing and industrial systems.
1/2" DN15 Adjustable Garden Sprinkler Head | Lawn Irrigation – pair with sealing o-rings for a leak-free irrigation setup.

Frequently Asked Questions

Q: What is an NBR o-ring and what makes it suitable for plumbing and automotive use?

A: NBR (Nitrile Butadiene Rubber) o-rings are synthetic rubber seals known for their outstanding resistance to oils, fuels, hydraulic fluids, and water. This makes them the ideal choice for plumbing repairs, automotive fluid systems, pneumatic tools, and industrial machinery where fluid-tight or airtight seals are essential.

Q: How many sizes are included in this NBR o-ring assortment kit?

A: The kit comes in either a 740-piece or 1,200-piece set, covering outer diameters from 6mm to 28mm in three wall thicknesses: 1.5mm, 2.4mm, and 3.1mm. This broad size range ensures you'll find the right fit for most standard faucets, valves, pipes, and pneumatic fittings.

Q: How are the o-rings stored and organized in the kit?

A: All o-rings are neatly sorted by size and packed in a labeled plastic storage case, making it easy to identify and retrieve the exact size you need — even in the middle of a repair job.

Q: Can these o-rings be used in high-temperature environments?

A: NBR rubber generally performs well in temperatures ranging from approximately -40°C to +120°C (-40°F to +248°F), making it suitable for most household, automotive, and light industrial applications. For extreme high-heat environments, a silicone or EPDM o-ring may be more appropriate.

Q: Is this kit suitable for both professional mechanics and home DIYers?

A: Absolutely. The wide size assortment and organized storage case make this kit a practical addition to any toolbox — whether you're a professional plumber, mechanic, or a homeowner tackling your own repairs.

Made with care

Great value

Elegant design

Quality materials

This product is crafted with quality materials to ensure durability and performance. Designed with your convenience in mind, it seamlessly fits into your everyday life.

We strive to process and ship all orders in a timely manner, working diligently to ensure that your items are on their way to you as soon as possible.

We are committed to ensuring a positive shopping experience for all our customers. If for any reason you wish to return an item, we invite you to reach out to our team for assistance, and we will evaluate every return request with care and consideration.