Zenith M12 x 50mm Hot Dip Galvanised Hex Head Coach Screws - 12 Pack

★★★★
85 reviews · 668+ sold
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Description & Specs

The Zenith M12 x 50mm Hot Dip Galvanised Hex Head Coach Screws give you 12 heavy-gauge, weather-resistant fasteners for joining timber to timber or metal to timber. The hot dip galvanised finish protects the 4.6 grade steel against rust, making these screws well suited to outdoor work, and they pair well with Zenith M12 hot dip galvanised flat round washers.

  • Thread size: M12
  • Length: 50mm
  • Material: 4.6 Grade Steel
  • Finish: Hot Dip Galvanised
  • Head type: Hex Head
  • Thread type: Coarse
  • Pack quantity: 12

The hex head allows strong clamping pressure with a spanner or socket, and the tapered gimlet point bites quickly for fast installation. These heavier coach screws suit retaining walls, sleeper walls, gates, fences, pergolas and demanding heavy-duty construction.

More about this product

The Zenith M12 x 50mm Hot Dip Galvanised Hex Head Coach Screws 12 Pack are designed for heavy-duty construction, providing reliable fastening for timber and metal applications.

  • Hexagonal head increases clamping pressure
  • Tapered gimlet point for quick installation
  • Coarse thread for maximum grip strength
  • M12 x 50mm, 4.6 grade steel, hot dip galvanised
  • 12 pack

Questions & Answers

What size are these coach screws?

They are M12 thread by 50mm long.

What does hot dip galvanised mean?

The steel is dipped in molten zinc to form a thick, rust-resistant coating ideal for outdoor use.

Can hot dip galvanised steel be welded?

It can be welded, but the zinc coating should be removed from the weld area first and the area re-coated afterwards, as welding over the zinc affects the join and produces fumes.

How many screws are in the pack?

The pack contains 12 hex head coach screws.

What are they used for?

They are used for heavy-duty construction, fastening timber to timber or metal to timber such as retaining walls, sleeper walls and fences.

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 ★★★★☆ 124 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 M12 — 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 M12 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.