BUILT TO LAST
Designed for Australian conditions
Engineered to withstand the harshest climates and built to last with premium materials, this product is crafted with care for everyday Australian life.
Order in the next 04h 23m for fast dispatch · Same-day from Sydney
40,000+ Australian customers · Australian-owned & operated
01 / 5
Overview
Buildex 12g x 50mm Class 4 Roofing Screws with Seal 100 Pack are designed for reliable fixing in timber, suitable for various roofing applications.
These roofing screws feature a Type 17 point with a cutting flute for fast and clean starts in timber, minimising the risk of splitting. The Class 4 galvanisation provides long-term corrosion protection, making them ideal for severe external environments and structural applications exposed to weather or coastal conditions. The top-lock hex head includes an anti-loosening feature that resists vibration, ensuring a secure and maintenance-free hold. With a diameter of approximately 5.5mm and a length of 50mm, these screws are engineered for strength, security, and durability, performing reliably in a range of conditions from temperate to cyclonic. This product is available in a pack of 100 screws.
Features
- Type 17 point with cutting flute for clean starts in timber
- Class 4 galvanisation for exceptional corrosion protection
- Top-lock hex head with anti-loosening feature
- Diameter of approximately 5.5mm and length of 50mm
- Designed for a variety of roofing applications
Specifications
| Dimensions (W x H x D) | 11.3mm x 8mm x 13mm |
| Model Number | X547315 |
| Material | Class 4 |
| Pack Quantity | 100 |
| Screw Head Type | Top Lock Hex Head |
| Screw Point Type | Type 17 |
Buildex 12g x 50mm Class 4 Roofing Screws with Seal 100 Pack are suitable for various roofing applications.
Specifications
Specifications will vary by product. Please refer to the product description above or contact us before ordering if you need a specific measurement.
Shipping & Returns
Shipping
Orders are dispatched from our Sydney and Melbourne warehouses within 1–2 business days of payment. Delivery times from Sydney:
- NSW & ACT: 2–5 business days
- VIC & QLD: 2–7 business days
- SA: 3–8 business days
- TAS: 4–10 business days
- WA: 5–10 business days
Tracking is provided on dispatch. Remote postcodes may incur additional fees.
30-day change-of-mind returns
We offer a 30-day change-of-mind return on select unopened products in original packaging (excluding health/safety items or bulk purchases). Email us within 30 days of delivery to start a return.
A restocking fee of 7–25% applies, plus return postage (unless approved otherwise). Customer-incurred postage costs are non-refundable without prior approval.
Faulty or damaged on arrival
If your product arrives faulty or damaged, contact our support team with your order number, photos/videos of the fault, and the original packaging. Do not return items without a return authorisation.
Warranty
12-month Australian warranty on this product unless noted otherwise. The warranty covers manufacturing defects under normal use.
The warranty does not cover:
- Damage caused by misuse, incorrect installation, or modification.
- Damage during delivery (claim under shipping policy instead).
- Normal wear and tear.
To claim warranty: contact our support team with your order number, photos/videos of the fault, and a brief description. We will assess the claim and offer a replacement, repair, or refund as appropriate.
AUTOMATION
Smart automation, set and forget
Time-saving design with intuitive controls. Set it once and let it work for you, freeing up your time for what matters most.
AUSSIE SUPPORT
Backed by genuine Australian support
Local warranty, fast dispatch from Sydney, and Australian customer service Mon-Fri. We are a real business with real people, just a phone call away.
Complete the set
Frequently bought together
Hand-picked add-ons from the same category — save when you bundle.
Total price
$0.00
Recently Viewed Products
Why Aussies Shop With Auzzi
A registered Australian business with real local support, transparent pricing, and fair returns.
Australian Business
ABN 79 670 758 782. Registered in Australia.
Fast Australia-Wide Dispatch
Ships fast from our Sydney + Melbourne warehouses.
Secure SSL Checkout
Card, PayPal, Apple Pay, Google Pay accepted.
30-Day Returns
Change-of-mind returns within 30 days.