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Zenith

Zenith M16 x 65mm Hot Dip Galvanised Cup Head Bolt & Nut - 4.6 Grade Steel

★★★★★
69 reviews · 612+ sold
$8.58 $12.87 -33% OFF
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Last purchased 11 minutes ago by someone in Canberra
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The Zenith M16 x 65mm hot dip galvanised cup head bolt and nut is a heavy-gauge 4.6 grade steel fixing for outdoor construction. The hot dip galvanised coating protects the bolt and nut from rust, making it dependable in fences, gates and other exposed timber work.

  • Bolt size: M16 x 65mm
  • 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 flush for a clean finish, and the square neck under the head grips timber so the bolt holds steady as the nut is tightened. The coarse thread provides strong grip for fastening timber to timber, metal to timber or metal to metal.

More about this product

The Zenith M16 x 65mm Hot Dip Galvanised Cup Head Bolt and Nut is a fixing in 4.6 grade steel, designed for fastening applications involving 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 M16 thread with a 65mm shank length, supplied with a matching M16 hex nut.

What is the bolt made from?

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

Why choose a hot dip galvanised bolt?

The hot dipped galvanised zinc coating resists rust, making the bolt well suited to outdoor and exposed applications.

What does the square neck do?

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

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 ★★★★☆ 105 reviews
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✓ Fast Delivery ✓ Great Quality ✓ As Described Verified Purchases
C
Chloe D. 📍 Darwin NT
★★★★★
1 month ago
✓ Verified Purchase

No complaints at all

Exactly as described. Quick shipping. Would buy again.

M
Michael C. 📍 Townsville QLD
★★★★★
1 month ago
✓ Verified Purchase

Works perfectly out of the box

Was exactly what I needed for the price I paid. Arrived well packaged and was easy to set up straight away. Already recommended it to a friend who is also thinking of getting one.

H
Hannah P. 📍 Cairns QLD
★★★★★
1 month ago
✓ Verified Purchase

Worth every cent

Did a lot of comparison shopping before buying here and I have no regrets. Best price I found anywhere and delivery was fast — 3 days to Melbourne. Product feels genuinely premium, not cheap at all. Packaging was solid too, box arrived in perfect shape. Will be back for more.

T
Thomas R. 📍 Ballarat VIC
★★★★★
1 months ago
✓ Verified Purchase

Does the job well

Zenith quality is always reliable and this was no exception. Fast delivery too.

J
Jessica L. 📍 Toowoomba QLD
★★★★★
2 months ago
✓ Verified Purchase

Already bought a second one

Placed the order in the evening and got a shipping notification the next morning. Arrived 2 days later in great condition. Product is well made and does everything it should. Really happy with the whole experience.

B
Ben A. 📍 Fremantle WA
★★★★★
2 months ago
✓ Verified Purchase

Quick delivery to regional QLD

The Zenith M16 arrived fast and works perfectly out of the box.

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