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Zenith

Zenith M8 x 150mm Hot Dipped Galvanised Cup Head Bolt and Nut, 4.6 Grade Steel

★★★★★
53 reviews · 716+ sold
$3.89 $5.84 -33% OFF
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Last purchased 22 minutes ago by someone in Brisbane
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The Zenith M8 x 150mm hot dipped galvanised cup head bolt and nut is a 4.6 grade steel coach bolt for fastening timber to timber or timber to metal. The long 150mm shank passes through thick timber joints, and the square neck stops the bolt spinning as the nut is tightened.

  • Brand: Zenith
  • Bolt size: M8 x 150mm
  • Material: 4.6 grade steel
  • Finish: Hot dipped galvanised
  • Head type: Cup head
  • Colour: Grey
  • Pack: Each (bolt and nut)

The extra length makes this M8 coach bolt suited to heavy outdoor timber connections such as sleepers, posts, pergolas and retaining structures, while the hot dipped galvanised finish gives corrosion resistance. A matching M8 hot dipped galvanised washer and nut can be added to complete the fixing.

More about this product

The Zenith M8 x 150mm Hot Dipped Galvanised Cup Head Bolt and Nut is a durable fastening solution engineered for fastening timber to timber or timber to metal. This coach bolt features a square neck design that prevents spinning during installation for ease of use, and includes a nut for secure fastening. The hot dipped galvanised finish provides reliable corrosion resistance in a range of environments.

  • M8 x 150mm size
  • 4.6 grade steel with hot dipped galvanised finish
  • Cup head with square neck
  • Nut included

Questions & Answers

Is a nut included with this bolt?

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

What is a 150mm coach bolt used for?

The long shank suits thick timber joints such as sleepers, posts and heavy framing where shorter bolts cannot pass through.

Is hot dipped galvanised the same as galvanised?

Hot dipping gives a thicker zinc coating than standard galvanising, improving corrosion resistance.

Can I add a washer?

Yes, a matching M8 hot dipped galvanised washer fits under the nut to spread the load.

Is it suitable for outdoor use?

Yes, the hot dipped galvanised finish resists corrosion in exterior conditions.

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 ★★★★☆ 143 reviews
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✓ Fast Delivery ✓ Great Quality ✓ As Described Verified Purchases
E
Ethan W. 📍 Hervey Bay QLD
★★★★★
5 months ago
✓ Verified Purchase

Exceptional — 5 stars

Really happy with this. Price was the best I found online and delivery was faster than expected. Product is well made and does exactly what it should. Zero complaints — will buy from SuperSaver AU again.

S
Sarah M. 📍 Sydney NSW
★★★★★
Yesterday
✓ Verified Purchase

Absolutely love it!

Had the Zenith M8 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 M8. 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.

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