Dapetz O-Ring Assortment Kit - 225 Piece

This 225-piece O-ring assortment kit provides a comprehensive selection of metric O-rings in vario...

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B&QB&Q - 225Pcs Multiple Sizes Black O-Rings Assortment KitNitrile Rubber Metric O-RingsFor Tap Plumbing Washer Seal & Auto
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Product Information

Full details

The Dapetz O-Ring Assortment Kit is designed for DIY enthusiasts, automotive hobbyists, and professional maintenance technicians who require a reliable sealing solution for various repair tasks. Its primary benefit is the extensive range of metric sizes included in one organized case, ensuring you have the right seal on hand for plumbing and mechanical jobs; however, users should note that these are general-purpose rubber rings and may not be suitable for high-heat or specialized chemical environments.

All features

Model Part NumberDP08096
BrandDapetz

Extended Product Information

FAQs

Are these O-rings heat resistant?

These are designed for general purpose use and should not be used in high-heat environments like engine cylinder blocks or exhaust systems.

Are they safe for fuel systems?

Standard rubber O-rings in this kit are not oil or fuel resistant; they are primarily intended for water-based plumbing and general mechanical applications.

How many sizes are included?

The 225-piece kit includes an assortment of the most common metric sizes to cover a wide variety of DIY plumbing and mechanical needs.

Can I use these for drinking water taps?

While these are suitable for standard plumbing, ensure your specific application does not require certified food-grade components.

What is the best way to store the kit?

Keep the kit in a dark, climate-controlled environment to prevent the rubber from oxidizing or becoming brittle.

Troubleshooting

O-ring keeps pinching during installation

Apply a small amount of silicone lubricant to the ring and the contact surface to allow it to seat smoothly.

Leak persists after installation

Ensure the selected ring is the correct size. If it is too small, it will not provide enough compression; if too large, it may bunch up.

Difficult to identify the correct size

Use a digital caliper to measure the internal and external diameter of the original seal before selecting the replacement from the kit.

Pros and Cons

Pros

  • Wide variety of metric sizes for almost any common task
  • Convenient, organized case prevents loss of small parts
  • Cost-effective solution for multiple maintenance projects
  • Ideal for quick repairs on leaky faucets and automotive hoses

Cons

  • Not intended for industrial high-temperature applications
  • General-purpose rubber may degrade if exposed to harsh solvents
  • Specific metric sizes may not cover every niche vintage automotive requirement

Setup, Compatibility & Care

To use these O-rings effectively, first identify the diameter of the groove or pipe where the seal will sit. It is recommended to apply a small amount of silicone-based lubricant to the O-ring before installation to prevent pinching or tearing during assembly. Compatibility is generally high for standard metric fittings; however, always verify that the seal is rated for the fluid type being contained. To ensure long-term care, store the kit in a cool, dry place away from direct sunlight, as UV exposure can cause the rubber material to harden and lose its elasticity over time.

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