Zenith M12 x 100mm Hot Dip Galvanised Hex Head Bolts & Nuts - 12 Pack
Description & Specs
The Zenith M12 x 100mm hot dip galvanised hex head bolts and nuts come as a 12 pack for heavier fastening that needs corrosion protection. The hex head gives a firm grip for a spanner or socket, and a matching hex nut is included for each bolt.
- Bolt size: M12 x 100mm
- Pack: 12 bolts and nuts
- Material: 4.6 grade steel
- Finish: Hot dipped galvanised
- Head type: Hex head
- Colour: Grey
The M12 diameter suits stronger timber and metal connections in outdoor structures such as retaining walls, pergolas and fences, with the hot dipped galvanised coating resisting rust. Pair with M12 hot dip galvanised flat round washers for extra bearing area.
More about this product
Zenith M12 x 100mm Hot Dip Galvanised Hex Head Bolts and Nuts 12 Pack offer reliable fastening with high corrosion resistance, ideal for construction applications.
- Hexagonal head allows for increased clamping pressure
- Coarse thread maximises grip strength
- Hexagonal nuts included for secure fastening
- Hot dip galvanised finish for rust and corrosion resistance
Bolt size M12 x 100mm. Material 4.6 grade steel. Colour grey. Supplied as a 12 pack.
Questions & Answers
What size are these bolts?
Each bolt is M12 with a 100mm shank, supplied with a matching M12 hex nut.
Are washers included?
No, washers are sold separately. M12 hot dip galvanised flat round washers pair well with these bolts.
Can hot dip galvanised steel be welded?
It can be welded, but the zinc coating should be ground back from the weld area first and the fumes managed; the join can then be re-coated to restore protection.
How many are in the pack?
This is a 12 pack of bolts with 12 hex nuts.
What grade of steel?
They are made from 4.6 grade steel.
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
Arrived well packed
The Zenith M12 is a solid buy. I was a bit unsure about the size from the photos but it is perfect in person. Delivery was faster than expected. Very satisfied with this purchase.
Better than expected
No issues at all. Fast delivery and exactly as described.
Great value for money
Spent a while looking for the right Zenith M12 and this kept coming up as the best value. I can see why — quality is impressive for the price. Delivery took just 2 days to Townsville which is great. Packaging was solid and everything intact. My partner and I both use it daily now. Highly recommended.
One of my best online buys
Quality product at a fair price. Delivered quickly. Happy.
Happy with SuperSaver AU
Have bought Zenith before and always been happy. Great price on SuperSaver AU and delivery was fast. Arrived perfectly packaged. Works flawlessly from day one.
Fast delivery and perfect condition
Fast delivery and exactly what I ordered. Very happy with this.




