33% Off
Zenith

Zenith 5/16" Zinc Plated Nylon Lock Nut - 75 Pack

★★★★★
117 reviews · 620+ sold
$20.18 $30.27 -33% OFF
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Price reduced — was $30.27
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🔥 88% claimed — only 5 left at this price!
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Last purchased 11 minutes ago by someone in Brisbane
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The Zenith 5/16" zinc plated nylon lock nut comes in a 75 pack of self-locking nuts for fastenings that could work loose. The nylon insert in the collar grips the bolt thread to resist loosening from vibration or part movement, keeping the fixing secure.

  • Nut size: 5/16" (imperial)
  • Type: Nylon lock nut (nyloc)
  • Material: Steel
  • Finish: Zinc plated
  • Colour: Silver
  • Pack quantity: 75
  • Model: CDD1008

The zinc plated finish suits internal applications and areas not exposed to direct weather. The bulk 75 pack is handy for repairs, maintenance and projects where standard nuts may loosen over time.

More about this product

Zenith 5/16" Zinc Plated Nylon Lock Nut, 75 Pack, offers a secure fit with nylon locking to help prevent loosening, ideal for various applications.

  • Imperial 5/16" sizing
  • Nylon locking insert minimises loosening
  • Zinc plated for internal use and non-weather exposed areas
  • Suitable for applications with potential part movement
  • Pack of 75
  • Model Number: CDD1008

Questions & Answers

What is a nylon lock nut?

It is a nut with a nylon insert that grips the bolt thread, helping resist loosening from vibration and movement.

What size is this nut?

It is an imperial 5/16" lock nut.

How many are in the pack?

Each pack contains 75 lock nuts.

Is it suitable for outdoor use?

The zinc plated finish is best suited to internal use and areas not exposed to direct weather.

Where would I use these?

They suit fixings prone to vibration or part movement where a standard nut could loosen over time.

Standard Shipping Australia-wide
Ships in 1-2 business days from our Australian warehouses
30-Day Returns
Change your mind? Return within 30 days for a full refund. Item must be unused and in original packaging.

Customer Reviews

4.3 ★★★★☆ 84 reviews
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✓ Fast Delivery ✓ Great Quality ✓ As Described Verified Purchases
S
Sarah M. 📍 Sydney NSW
★★★★★
Yesterday
✓ Verified Purchase

Absolutely love it!

Had the Zenith 5/16" on my wishlist for a few weeks and finally pulled the trigger. Arrived in 2 days which was a nice surprise. Build quality is solid and exactly what the photos showed. My partner uses it every day now and has already asked me to grab another one as a gift.

J
James W. 📍 Melbourne VIC
★★★★★
3 days ago
✓ Verified Purchase

Best buy of the year

Ordered Thursday and had it by Saturday. Packaging was really good — nothing moved around. Works exactly as expected and the price was well below what I saw in stores.

E
Emma T. 📍 Brisbane QLD
★★★★★
5 days ago
✓ Verified Purchase

Fast delivery — impressed

Love my Zenith 5/16". Does the job perfectly and the price was unbeatable.

L
Liam O. 📍 Perth WA
★★★★★
1 week ago
✓ Verified Purchase

Exactly as described

Always buy Zenith when I can — consistent quality and you know what you are getting. This one is no different. Fast dispatch and arrived in perfect condition.

O
Olivia R. 📍 Adelaide SA
★★★★★
1 week ago
✓ Verified Purchase

Would buy again for sure

Was a bit skeptical ordering online but really glad I did. The item arrived in a sturdy box — nothing rattled or was damaged. Set it up in about 10 minutes and has been working perfectly since. Compared to what I saw in store I saved a solid amount. Will definitely be back.

N
Noah B. 📍 Gold Coast QLD
★★★★★
1 week ago
✓ Verified Purchase

Good product for the price

Fast delivery to regional WA. Solid product and works exactly as described.

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