Pro-Bolt Alloy Nyloc Nuts - M5 x 4.8mm - Purple

The lightweight Pro-Bolt Alloy Nyloc Nuts are designed for use with any Pro-Bolt bolts where vibra...

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Product Information

Full details

The Pro-Bolt Alloy Nyloc Nuts are designed for motorcycle and automotive enthusiasts looking to secure non-critical components against vibration while adding a touch of custom flair. Featuring a lightweight aluminum construction with a durable, color-anodized finish, these nuts offer superior resistance to environmental corrosion compared to standard hardware. While they provide excellent utility for cosmetic and light-duty fastening, it is important to note that these are strictly for non-safety critical applications and should not be used in high-stress areas.

All features

ColourPurple
Model Part NumberAWFNYN5-5P
BrandPro-Bolt

Extended Product Information

FAQs

Can I use these on my brake calipers?

No. These are strictly for non-safety critical areas and should never be used on high-stress components like brakes, suspension, or engine internals.

What does the 'Nyloc' insert do?

The nylon insert creates friction against the bolt threads, acting as a locking mechanism to prevent the nut from vibrating loose.

Will the color fade over time?

The anodized finish is highly durable against road grime and salt, but like all anodized products, prolonged exposure to intense, direct UV light may cause minor color shifts over several years.

Are these as strong as stainless steel nuts?

No, these are made from lightweight alloy. They are intended for aesthetic and light-duty use, not high-strength structural applications.

How many nuts come in a pack?

Each pack contains 5 individual nuts.

Troubleshooting

Difficulty threading the nut

Ensure the bolt is clean and debris-free. Do not force the nut, as the alloy material is softer than steel and can cross-thread easily.

Nut feels loose after installation

Verify that you are using the correct 5mm thread size and that the bolt length is sufficient to engage the full depth of the Nyloc insert.

Pros and Cons

Pros

  • Significantly lighter than steel or titanium hardware
  • Excellent resistance to corrosion and road elements
  • Vibrant, durable purple anodized finish
  • Nyloc insert ensures fasteners stay secure

Cons

  • Not suitable for safety-critical components
  • Cannot be used in high-stress mechanical applications
  • Specific 5mm size limits universal usage

Setup, Compatibility & Care

Installation requires standard metric tools suitable for 5mm hardware. Ensure you are threading onto compatible Pro-Bolt studs or bolts to avoid cross-threading the alloy material. To maintain the finish, avoid using abrasive tools or aggressive chemical solvents, as these may damage the 8-12 micron anodized layer. If the nut becomes dirty, clean it with a soft cloth and mild soapy water. These nuts are designed for longevity, but they should be inspected periodically during routine bike maintenance to ensure the Nyloc insert remains intact and the threading is secure.