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.
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40,000+ Australian customers · Australian-owned & operated
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Overview
Wd 40 300g Specialist Fast Release Penetrant is a high-performance penetrant designed to quickly loosen rusted and corroded parts, making it ideal for various applications.
WD-40 Specialist® Fast Release Penetrant is engineered to penetrate quickly into seized mechanisms and fixings, effectively loosening and freeing parts. It is particularly useful for nuts, bolts, bearings, fasteners, fittings, and screws. This product is designed to reach tight crevices, threads, and seams, breaking the bonds that hold stuck parts together. According to the Nail Climb Test conducted by an external third-party laboratory, it penetrates 20% faster than the leading competitor. The highly water-repellent formula ensures optimal performance in demanding situations.
Features
- Quickly penetrates rusted and corroded parts.
- Loosens seized fixings effectively.
- Reaches tight crevices, threads, and seams.
- Suitable for use on nuts, bolts, bearings, and screws.
- Penetrates 20% faster than leading competitors.
Specifications
| Dimensions (W x H x D) | 66mm x 245mm x 66mm |
| Weight | 0.3kg |
| Colour | Blue |
| Model Number | WD-40 Specialist |
| Volume/Size | 0.454L |
Wd 40 300g Specialist Fast Release Penetrant is designed for effective loosening of seized parts.
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.
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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.
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30-Day Returns
Change-of-mind returns within 30 days.