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Zenith

Zenith M10 x 300mm Hot Dip Galvanised Cup Head Bolt & Nut - 4.6 Grade Steel

★★★★★
69 reviews · 212+ sold
$7.74 $11.61 -33% OFF
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Last purchased 16 minutes ago by someone in Brisbane
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The Zenith M10 x 300mm hot dip galvanised cup head bolt and nut is a 4.6 grade steel fixing built for outdoor construction where corrosion resistance matters. The hot dip galvanised coating shields the bolt and nut from rust, so it holds up in retaining walls, fences and other exposed timber work.

  • Bolt size: M10 x 300mm
  • Head type: Cup head
  • Material: 4.6 grade steel
  • Finish: Hot dipped galvanised
  • Colour: Grey
  • Includes: Bolt and matching hex nut
  • Pack: Each

The low-profile cup head sits close to the surface for a tidy finish, while the square neck under the head bites into timber to stop the bolt spinning as you tighten the nut. The coarse thread grips firmly, making it suited to fastening timber to timber, metal to timber or metal to metal.

More about this product

The Zenith M10 x 300mm Hot Dip Galvanised Cup Head Bolt and Nut is a general purpose construction fixing in 4.6 grade steel, providing a reliable fastening solution for timber and metal.

  • Low profile cup head for a flush finish
  • Square neck design helps prevent the bolt spinning during installation
  • Coarse thread for strong grip
  • Hot dipped galvanised finish for corrosion resistance
  • Hex nut included

Suitable for fastening timber to timber, metal to timber, or metal to metal.

Questions & Answers

What size is this Zenith cup head bolt?

It is an M10 thread with a 300mm shank length, supplied with a matching M10 hex nut.

What is the bolt made from?

It is made from 4.6 grade steel with a hot dipped galvanised finish for corrosion resistance.

Why are bolts hot dip galvanised?

Hot dip galvanising coats the steel in zinc, which protects the bolt and nut from rust and makes it well suited to outdoor and exposed applications.

What does the square neck do?

The square neck beneath the cup head grips into timber so the bolt does not spin while you tighten the nut from the other side.

Is a nut included?

Yes, a matching hex nut is supplied with each bolt.

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 ★★★★☆ 79 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 M10 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 M10. 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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