Zenith M8 x 40mm Hot Dip Galvanised Hex Head Coach Screws - 25 Pack
Description & Specs
The Zenith M8 x 40mm Hot Dip Galvanised Hex Head Coach Screws supply 25 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, suiting these screws to outdoor work, and they pair well with Zenith M8 galvanised washers.
- Thread size: M8
- Length: 40mm
- Material: 4.6 Grade Steel
- Finish: Hot Dip Galvanised
- Head type: Hex Head
- Thread type: Coarse
- Pack quantity: 25
The hex head allows extra clamping pressure with a spanner or socket, while the tapered gimlet point bites quickly for fast installation. These coach screws suit retaining walls, gates, fences, pergolas and general heavy-duty construction.
More about this product
The Zenith M8 x 40mm Hot Dip Galvanised Hex Head Coach Screws 25 Pack are designed for heavy-duty construction applications, providing reliable fastening for timber and metal. These coach screws feature a hexagonal head that enhances clamping pressure for a secure fit. The tapered gimlet point allows for quick installation, and the coarse thread delivers maximum grip strength, making them suitable for applications including retaining walls, gates and fences.
- M8 x 40mm, 4.6 grade steel
- Hot dip galvanised finish
- Hex head, coarse thread
- 25 pack
Questions & Answers
What size are these coach screws?
They are M8 thread by 40mm long.
What does hot dip galvanised mean?
The steel is dipped in molten zinc to create a thick, rust-resistant coating ideal for outdoor use.
How thick is the hot dip galvanising?
Hot dip galvanising typically produces a thicker zinc coating than electroplating, which is what gives it strong, long-lasting corrosion protection.
How many are in the pack?
The pack contains 25 hex head coach screws.
What are they suitable for?
They suit heavy-duty construction, fastening timber to timber or metal to timber such as retaining walls, gates and fences.
Shipping & Returns
Ships in 1-2 business days from our Australian warehouses
Change your mind? Return within 30 days for a full refund. Item must be unused and in original packaging.
Customer Reviews
No complaints at all
Exactly as described. Quick shipping. Would buy again.
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.
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.
Does the job well
Zenith quality is always reliable and this was no exception. Fast delivery too.
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.
Quick delivery to regional QLD
The Zenith M8 arrived fast and works perfectly out of the box.




