33% Off
Zenith

Zenith M16 x 150mm Hot Dip Galvanised Cup Head Bolt & Nut - 4.6 Grade Steel

★★★★★
53 reviews · 436+ sold
$10.53 $15.79 -33% OFF
You save: $5.26
Price reduced — was $15.79
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🔥 88% claimed — only 5 left at this price!
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Last purchased 14 minutes ago by someone in Geelong
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The Zenith M16 x 150mm 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 shields the bolt and nut from rust, so it suits fences, gates and other exposed timber work.

  • Bolt size: M16 x 150mm
  • 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 tidy finish, while the square neck beneath the head grips timber so the bolt does not spin as the nut is tightened. The coarse thread delivers strong grip for fastening timber to timber, metal to timber or metal to metal.

More about this product

The Zenith M16 x 150mm 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 M16 thread with a 150mm 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.

What is hot dip galvanising?

Hot dip galvanising dips the steel in molten zinc to create a rust-resistant coating, which is why these bolts suit outdoor use.

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 ★★★★☆ 66 reviews
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✓ Fast Delivery ✓ Great Quality ✓ As Described Verified Purchases
R
Ryan S. 📍 Wollongong NSW
★★★★★
3 weeks ago
✓ Verified Purchase

Highly recommend

Really impressed with the Zenith M16 — it looks and feels more premium than the price suggests. Delivery was quick and packaging kept everything safe. No issues at all.

S
Sophie H. 📍 Geelong VIC
★★★★★
1 month ago
✓ Verified Purchase

Great quality

Good quality and arrived ahead of schedule. Very happy.

D
Daniel P. 📍 Hobart TAS
★★★★★
1 month ago
✓ Verified Purchase

Brilliant Aussie deal

Been buying Zenith gear for years and this is one of their better ones. The Zenith M16 quality is excellent — everything was included and setup took under 10 minutes. Had it at the door in Brisbane within 2 days. My son immediately claimed it for himself so I had to order another. 10 out of 10.

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.

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