ZENITH M12 x 300mm Hot Dip Galvanised Cup Head Bolts & Nuts - 12 Pack, 4.6 Grade Steel

★★★★
85 reviews · 588+ sold
$75.98 $113.96 -33% OFF
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Description & Specs

The ZENITH M12 x 300mm Hot Dip Galvanised Cup Head Bolts & Nuts give you an extra-long, corrosion-resistant fix for heavy timber connections. This 12 pack is made from 4.6 grade steel with a hot dip galvanised finish that handles outdoor exposure.

  • Bolt size: M12 x 300mm
  • Head type: Cup head with square neck
  • Material: 4.6 grade steel
  • Finish: Hot dip galvanised
  • Pack quantity: 12 bolts and nuts
  • Colour: Grey

The cup head finishes flush while the square neck grips into timber to stop the bolt spinning as you tighten. The 300mm length is suited to fastening timber to timber, metal to timber or metal to metal in decking, pergolas, retaining walls and structural framing.

More about this product

Zenith M12 x 300mm Hot Dip Galvanised Cup Head Bolts and Nuts 12 Pack are designed for general purpose construction, providing a reliable fastening solution for fastening timber to timber, metal to timber or metal to metal.

  • Low profile cup head for a flush finish
  • Square neck feature limits bolt spinning during application
  • Coarse thread for maximum grip strength
  • Hexagonal nuts included
  • Material: 4.6 grade steel
  • Finish: Hot dip galvanised
  • Bolt size: M12 x 300mm
  • Pack: 12

Questions & Answers

What size are these ZENITH cup head bolts?

Each bolt is M12 with a 300mm length, supplied with matching nuts in a 12 pack.

What materials can I fasten with these?

They suit fastening timber to timber, metal to timber or metal to metal in framing and outdoor structures.

What is hot dip galvanising?

It is a thick zinc coating applied in molten zinc that gives strong corrosion resistance for exposed and outdoor use.

Why a cup head with a square neck?

The cup head sits flush and the square neck beds into timber so the bolt does not turn while the nut is tightened.

Are nuts supplied?

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

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 ★★★★☆ 141 reviews
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✓ Fast Delivery ✓ Great Quality ✓ As Described Verified Purchases
E
Emma T. 📍 Brisbane QLD
5 days ago
✓ Verified Purchase

Fast delivery — impressed

Love my ZENITH M12. 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.

N
Noah B. 📍 Gold Coast QLD
1 week ago
✓ Verified Purchase

Good product for the price

Fast delivery to regional WA. Solid product and works exactly as described.

C
Charlotte B. 📍 Canberra ACT
2 weeks ago
✓ Verified Purchase

Exceeded my expectations

Bought this as a birthday present and the person loved it. Arrived the day before I needed it which was perfect timing. Great service from SuperSaver AU — really happy.

J
Jack T. 📍 Newcastle NSW
2 weeks ago
✓ Verified Purchase

Solid quality — very happy

Great little ZENITH M12 — setup was easy and it works perfectly.