WD-40 Specialist Fast Penetrant 250 ml for Seized Bolts and Corroded Joints
Product code: 03-122
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Product description
WD-40 Specialist Fast Penetrant 250 ml for seized and corroded joints
WD-40 Specialist Fast Penetrant is a fast-acting aerosol product designed to loosen seized, corroded and rusted parts and joints. Its very low surface tension helps it penetrate rust layers, tight threads and difficult-to-reach spaces.
IMPORTANT — extremely flammable aerosol
The container is pressurised and may burst if heated. Use the product away from heat, sparks and open flames and ensure good ventilation. Avoid breathing vapours and spray and avoid contact with skin. Protect from temperatures above 50°C and keep out of reach of children.
What is WD-40 Specialist Fast Penetrant used for?
The product is designed to quickly loosen joints immobilised by rust, corrosion or prolonged service. Low surface tension and capillary action help the product penetrate deeply between mating components.
The manufacturer indicates applications including nuts, bolts, pins, locks, pipes and taps. The product can also displace moisture and leave a layer that helps reduce further corrosion.
Key properties
- quickly penetrates rusted and seized joints,
- very low surface tension helps penetrate tight gaps,
- capillary action helps reach difficult-to-access areas,
- helps loosen nuts, bolts and other corroded components,
- displaces moisture,
- helps protect metal against further corrosion,
- high resistance to water,
- operating temperature range from -20°C to +90°C,
- Smart Straw system enables precise or wide spray application,
- 360° valve allows application at different angles.
Example applications
- seized bolts and nuts,
- pins and threaded joints,
- locks and metal mechanisms,
- pipes and installation joints,
- taps and valves,
- corroded machine and equipment components,
- metal parts requiring penetration and moisture protection.
How to use WD-40 Specialist Fast Penetrant
Before application, remove loose contamination and, where possible, excess rust from the surface. Apply the product directly to the seized joint, directing the spray into the contact area between the mating components.
After application, allow time for the product to penetrate the gap and corrosion layer. For heavily seized parts, the application can be repeated. The Smart Straw tube allows precise application into tight threads and difficult-to-reach areas.
Technical data
| Parameter | Value |
|---|---|
| Brand | WD-40 Specialist |
| Product | Fast Penetrant |
| SKU | 03-122 |
| EAN | 5032227507098 |
| Capacity | 250 ml |
| Form | aerosol |
| Product type | penetrating product for seized and corroded joints |
| Operating temperature range | -20°C to +90°C |
| Water resistance | high |
| Moisture displacement | yes |
| Corrosion protection | yes |
| Application system | Smart Straw |
| Valve | 360° |
Storage
Store in the original closed container in a cool, well-ventilated place. Protect from direct sunlight and temperatures above 50°C. Keep away from ignition sources.
Safety
WD-40 Specialist Fast Penetrant is an extremely flammable aerosol. The container is pressurised and may burst if heated. The product causes skin irritation, may cause drowsiness or dizziness and may pose a serious health hazard if swallowed and enters the airways. It is also toxic to aquatic life with long-lasting effects.
Use only with good ventilation. Avoid breathing vapours and spray. Do not spray on an open flame or other ignition source. Do not pierce or burn the container, even after use.
FAQ
What is WD-40 Specialist Fast Penetrant used for?
It is primarily used to loosen rusted, corroded and seized joints such as bolts, nuts, pins, locks and other metal components.
Does it work on heavily seized threads?
Yes. The manufacturer specifies very low surface tension and capillary action, which help the product penetrate rust layers and reach tight threaded joints.
Does Fast Penetrant displace moisture?
Yes. The product displaces moisture and can help protect metal components against further corrosion.
What is the operating temperature range?
The manufacturer specifies a range from -20°C to +90°C.
Can the product be used on locks?
Yes. Locks are one of the applications indicated by the manufacturer.
Does the product work immediately?
The manufacturer describes the product as fast-acting, but the actual time required to loosen a joint depends on the level of corrosion, gap size and component design. For heavily seized joints, the application can be repeated.
Does it provide corrosion protection?
Yes. The manufacturer states that the product is water-resistant, displaces moisture and can help protect against future rust and corrosion.
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