Zenith M12 x 100mm Hot Dip Galvanised Cup Head Bolts & Nuts - 4.6 Grade, 12 Pack

★★★★
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Description & Specs

The Zenith M12 x 100mm Hot Dip Galvanised Cup Head Bolts and Nuts are a 12 pack in 4.6 grade steel for general purpose construction. The low-profile cup head gives a flush finish, and the square neck under the head limits the bolt spinning as the nut is tightened.

  • Bolt size: M12 x 100mm
  • Material: 4.6 grade steel
  • Finish: Hot dip galvanised
  • Head type: Cup head
  • Colour: Grey
  • Pack quantity: 12 bolts and nuts

These M12 bolts suit general construction such as gates, retaining walls and timber framing, fastening timber to timber, metal to timber or metal to metal. The hot dip galvanised finish gives strong corrosion resistance outdoors, and matching Zenith M12 hot dip galvanised washers can be added under the nut for a wider bearing surface.

More about this product

Zenith M12 x 100mm Hot Dip Galvanised Cup Head Bolts and Nuts 12 Pack are designed for general purpose construction, providing a secure fastening solution. They feature a low-profile cup head for a flush finish and a square neck that limits spinning during installation. The coarse thread provides strong grip, and hexagonal nuts are included.

  • Low-profile cup head for a flush finish
  • Square neck limits bolt spinning during application
  • Coarse thread for strong grip
  • Hexagonal nuts included
  • 4.6 grade steel, hot dip galvanised, M12 x 100mm, 12 pack

Questions & Answers

What size are these bolts?

M12 x 100mm cup head bolts, supplied with nuts as a 12 pack.

What grade and finish do they have?

4.6 grade steel with a hot dip galvanised finish for corrosion resistance.

Are nuts included?

Yes. Hexagonal nuts are included.

What can I fasten with them?

Timber to timber, metal to timber or metal to metal in general construction.

Can I add washers?

Yes. Matching Zenith M12 hot dip galvanised washers spread the load under the nut.

Shipping & Returns

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 ★★★★☆ 110 reviews
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✓ Fast Delivery ✓ Great Quality ✓ As Described Verified Purchases
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 M12 arrived fast and works perfectly out of the box.

G
Grace W. 📍 Parramatta NSW
2 months ago
✓ Verified Purchase

Perfect gift — loved it

Bought this as a replacement for one I have had for years and I am glad I upgraded. The new one is noticeably better. Had a tracking number within a few hours of ordering. Packaging was excellent, nothing damaged. Already told a few mates about this site. Great prices and genuinely fast shipping.