Macsim M16 galvanised hex nuts deliver reliable fastening performance with enhanced corrosion resistance, engineered to metric standards for secure threaded connections in general-purpose applications.
The hot-dip galvanising process applies a protective zinc coating that shields the steel from rust and environmental exposure, extending service life in outdoor and moisture-prone environments where standard zinc plating may not provide adequate protection.
Featuring hexagonal design for easy installation with standard spanners and sockets, these metric nuts provide versatile fastening solutions for pairing with M16 bolts, threaded rod, and studding in construction, maintenance, and fabrication applications.
Key Features:
- Hot-dip galvanised for superior corrosion resistance
- M16 metric thread for standard compatibility
- Hex design for tool-friendly installation
- Suitable for outdoor and moisture-prone environments
- Pairs with M16 bolts, threaded rod, and studding
Specifications:
- Thread Size: M16 Metric
- Type: Hexagon Nut
- Finish: Hot-Dip Galvanised
- Application: General-purpose fastening
- Environment: Outdoor and interior use
We are more than happy to assist it for you.
You could:
1. Contact us at 02 9327 5603 or admin@doublebayhardware.com.au
Shipping Information:
- Orders are dispatched from our Sydney warehouse, same business days before 10AM.
- Standard delivery across Australia typically takes 2–8 business days depending on your location. Overseas deliveries generally take 3–10 business days.
- You can estimate postage by adding products to your cart and entering your postcode. The estimated delivery time will be displayed at checkout once you’ve entered your shipping details.
Click & Collect:
- Free Click & Collect is available from our Double Bay store. Usually is ready in 1 hour. You will receive an email notification when your order is ready for collection.
Returns Policy:
1. If you change your mind, most unused and unopened items can be returned within 30 days of purchase.
To be eligible for a return:
- Item must be unused and in its original packaging.
- Proof of purchase is required.
- Special order, clearance, hazardous and certain electrical products may not be eligible for return.
2. If an item arrives damaged or faulty, please contact our customer service team as soon as possible so we can arrange a replacement, repair or refund in accordance with Australian Consumer Law.
For full details, please visit our Shipping Policy and Returns Policy pages.
Payment & Security
Safe & Secure
Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.
Buy now pay later with afterpay
Double Bay Hardware Gift Card - $100 is backordered and will ship as soon as it is back in stock.


