precote Top 300
Coating for Thread Forming Screws
Description
precote Top 300 is a coating based on wax. It lowers the thread forming values during assembly, prevents stick slip as well as galling and enables higher clamp loads with equal tightening torque.
Application
precote Top 300 is specially developed for thread-forming screws. It is applied partially on the thread forming area. Depending on the thread size precote Top 300 is used in a dilution with a maximum of 1 part of water.
The coating can be used in all kind of assembly procedures, particularly for serial production.
Areas of application are electronics, two wheel and automotive industry, household appliances, office machines, computer industry, electric motors, e-mobility, etc.
Properties
- Reduces thread-forming values
- Avoids stick slip and galling
- Temporary corrosion protection
- Consistent installation properties
- Partial coating
- Meets VDA coefficient of friction requirements
- Can be applied to metallic and non-metallic surfaces
- Non-hazardous
- Contains UV marker
| Technical data | |
|---|---|
| Chemical Type | Wax |
| Color1 | yellow |
| Thread friction value2 μthread | 0,09 - 0,15 depending on dilution |
| Thread forming value3 (e.g. Ford WSS-M21P27A4) | < 20 Nm |
1 This product information is also valid for special colors. The specified color is not a primary product feature. The color may vary slightly due to the manufacturing process and the formulation. This does not affect the quality of the product. | |
3 Thread forming value applies to screws M10 DIN 7500 galvanized blue passivated, and nuts M10 DIN 928 plain finish, different thread sizes in accordance with Ford WSSM21P27A4.
Storage
Storage stability of the coated threads 4 years at max. 30°C and max. 65% relative humidity. omniTECHNIK packaging instructions must be observed.
Note
Since we do not know which thread types, dimensions, materials, pairings, surface conditions, etc. prevail, it is absolutely necessary to carry out appropriate control tests before a general application in order to convince yourself of the desired function under the respective practical conditions before series use. Our warranty extends to the perfect quality of precote® deliveries. Since both the precote® processing by the coating partner and the application of precote®-coated parts are beyond our control, we cannot assume any warranty for the quality of precote®-coated parts and the composites produced with them. We only accept liability for the suitability of our products for certain applications and for certain properties of the products if these have been agreed in writing in individual cases. In any case of justified warranty claims, these are limited to the delivery of defect-free replacement goods or, if this rectification should fail, to the reimbursement of the purchase price. All further claims, in particular liability for consequential damages, are generally excluded.
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