ZENITH M10 x 140mm Hot Dip Galvanised Cup Head Bolts & Nuts - 25 Pack, 4.6 Grade Steel
Description & Specs
The ZENITH M10 x 140mm Hot Dip Galvanised Cup Head Bolts & Nuts give you a long, heavy-duty, corrosion-resistant fix for structural timber work. This 25 pack is made from 4.6 grade steel with a hot dip galvanised finish for reliable weather protection.
- Bolt size: M10 x 140mm
- Head type: Cup head with square neck
- Material: 4.6 grade steel
- Finish: Hot dip galvanised
- Pack quantity: 25 bolts and nuts
- Colour: Grey
The cup head finishes flush while the square neck grips into timber to stop the bolt spinning during tightening. The heavier M10 diameter at 140mm suits deep connections in decking, retaining walls, pergolas and structural timber framing.
More about this product
Zenith M10 x 140mm Hot Dip Galvanised Cup Head Bolts & Nuts are designed for general purpose construction, providing a secure fastening solution for various applications.
- 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: M10 x 140mm
- Pack: 25
Questions & Answers
What size are these ZENITH cup head bolts?
Each bolt is M10 with a 140mm length, supplied with matching nuts in a 25 pack.
What is hot dip galvanising?
It is a thick zinc coating applied in molten zinc that gives strong corrosion resistance for outdoor use.
What does the square neck do?
It beds into timber so the bolt does not spin while you tighten the nut.
Are nuts included?
Yes, a matching hex nut is supplied for every bolt.
What length connections suit these?
At 140mm they suit deep timber connections in decking, retaining walls and structural framing.
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
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.
Good product for the price
Fast delivery to regional WA. Solid product and works exactly as described.
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.
Solid quality — very happy
Great little ZENITH M10 — setup was easy and it works perfectly.
Really pleased with this
Honestly one of the easiest online purchases I have made. Ordered in the evening and had a tracking number by morning. Delivered to Canberra in 3 business days. Product is well made and does exactly what we needed. My partner is happy with it too. Highly recommend.
Highly recommend
Really impressed with the ZENITH M10 — it looks and feels more premium than the price suggests. Delivery was quick and packaging kept everything safe. No issues at all.




