Zenith M16 x 250mm Hot Dip Galvanised Hex Head Bolts & Nuts - 12 Pack
Description & Specs
The Zenith M16 x 250mm hot dip galvanised hex head bolts and nuts come as a 12 pack, built for heavy fastening jobs that need long-lasting corrosion resistance. The hex head allows for solid clamping with a spanner or socket, and a matching hex nut is included for every bolt.
- Bolt size: M16 x 250mm
- Pack: 12 bolts and nuts
- Material: 4.6 grade steel
- Finish: Hot dipped galvanised
- Head type: Hex head
- Colour: Grey
The galvanised coating makes them well suited to outdoor and exposed work such as retaining walls, pergolas, decking sub-frames and timber-to-timber connections where ordinary zinc-plated bolts would rust.
More about this product
Zenith M16 x 250mm Hot Dip Galvanised Hex Head Bolts and Nuts 12 Pack are designed for durability and strength in heavy construction applications.
- Hexagonal head allows for increased clamping pressure
- Coarse thread provides maximum grip strength
- Hexagonal nuts included for secure fastening
- Hot dip galvanised finish for rust and corrosion resistance
Bolt size M16 x 250mm. Material 4.6 grade steel. Colour grey. Supplied as a 12 pack.
Questions & Answers
What size are these bolts?
Each bolt is M16 with a 250mm shank length, and a matching M16 hex nut is supplied for every bolt.
How many are in the pack?
This is a 12 pack, containing 12 bolts and 12 hex nuts.
What is the finish?
They are hot dip galvanised, a thick zinc coating that resists rust and suits outdoor and exposed applications.
What grade of steel are they?
The bolts and nuts are made from 4.6 grade steel.
What head and tool do they need?
They have a hex head, so they tighten with a standard spanner or socket sized for M16.
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
Great quality
Good quality and arrived ahead of schedule. Very happy.
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.
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.




