33% Off
Zenith

Zenith M8 x 40mm Hot Dipped Galvanised Cup Head Bolt and Nut, 4.6 Grade Steel

★★★★★
69 reviews · 252+ sold
$2.52 $3.78 -33% OFF
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Last purchased 8 minutes ago by someone in Canberra
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The Zenith M8 x 40mm 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 square neck under the head bites into the timber and stops the bolt turning as the nut is tightened.

  • Brand: Zenith
  • Bolt size: M8 x 40mm
  • Material: 4.6 grade steel
  • Finish: Hot dipped galvanised
  • Head type: Cup head
  • Colour: Grey
  • Pack: Each (bolt and nut)

The hot dipped galvanised finish gives this M8 coach bolt corrosion resistance for construction and woodworking outdoors, from fences and decks to pergolas and garden furniture. A matching M8 hot dipped galvanised washer and nut can be added to complete the fixing.

More about this product

The Zenith M8 x 40mm Hot Dipped Galvanised Cup Head Bolt and Nut is a reliable fastening solution ideal for construction and woodworking. It is designed for fastening timber to timber or timber to metal, providing durability and corrosion resistance. Also known as a coach bolt, it features a square neck design that prevents spinning during installation for a secure fit.

  • M8 x 40mm size
  • 4.6 grade steel with hot dipped galvanised finish
  • Cup head with square neck
  • Nut included

Questions & Answers

Is a nut supplied with this bolt?

Yes, each bolt comes with a matching hex nut.

How long does hot dipped galvanised steel last?

The heavy zinc coating gives long-lasting corrosion protection; the exact life depends on the environment and exposure.

Is hot dipped galvanised the same as galvanised?

Hot dipping creates a thicker zinc coating than lighter galvanised finishes, improving corrosion resistance.

What is a cup head bolt used for?

Also called a coach bolt, it fastens timber to timber or timber to metal, with the square neck preventing spinning.

Can I add a washer?

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

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 ★★★★☆ 57 reviews
5★
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✓ Fast Delivery ✓ Great Quality ✓ As Described Verified Purchases
Z
Zoe C. 📍 Bendigo VIC
★★★★★
4 months ago
✓ Verified Purchase

Fast delivery and perfect condition

Fast delivery and exactly what I ordered. Very happy with this.

A
Andrew F. 📍 Wagga Wagga NSW
★★★★★
4 months ago
✓ Verified Purchase

Outstanding value

Bought this on a bit of an impulse after seeing it on the site and really glad I did. Quality is much better than the price suggests — feels premium and well made. Ordered Monday and it arrived Wednesday in Sydney. Nothing loose or damaged. A few people have asked where I got it.

T
Tanya B. 📍 Mildura VIC
★★★★★
4 months ago
✓ Verified Purchase

Good buy — fast shipping

Really good value — compared it to similar products at twice the price and there is very little difference in quality. Fast shipping and arrived in perfect condition.

K
Kyle M. 📍 Gladstone QLD
★★★★★
5 months ago
✓ Verified Purchase

Just as described

Works perfectly. Fast delivery. Would recommend to anyone.

P
Priya S. 📍 Mandurah WA
★★★★★
5 months ago
✓ Verified Purchase

Satisfied customer

Had been looking at the Zenith M8 for a couple of months. Zenith build quality is obvious as soon as you open the box — feels solid and well finished. Easy to set up and works exactly as described. Delivery to Perth in only 3 days which is impressive. Will be buying more from SuperSaver AU for sure.

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.

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