138.587 Steel Putty, Silver, Paste
Steel puty is a hybrid putty and filler with a very high degree of hardness. It is designed for filling car body edges, mudguards and PU-bonded panels, as well as for repairing filler neck, door corners and exterior mirrors.
Why Pros Choose Carworx CSU
- High degree of hardness
- Smooths and fills polyurethane bonded panels
- Flexible with no shrinkage
- Absorbs vibrations and oscillations
- Unaffected by most oils and acids
- Suitable for special and extraordinary repairs (old-timers)
- Easily fills deep and uneven areas where tin plating is not possible
- High heat stability
- Fast drying
- Easy to sand
How to Use
For use during general automotive bodywork and reparation, filling large holes and uneven surfaces in hard to reach areas where tin plating is not possible
Compatibility
Compatible substrates: Steel.
Compatible paint systems: Urethane, Polyurethane.
Specifications
| Part No. | 138587 |
|---|---|
| Product Line | CSU |
| MFR Model | 138.587 |
| Application | For use during general automotive bodywork and reparation, filling large holes and uneven surfaces in hard to reach areas where tin plating is not possible |
| Manufacturer | Carworx |
| UPC | 698074062439 |
| Brand | Carworx |
| Color | Silver |
| Form | Paste |
About Carworx
Carworx is a trusted manufacturer of professional auto body and refinish products used by collision repair shops and restoration specialists across North America.
Frequently Asked Questions
What surfaces can Carworx CSU be used on?
Carworx CSU is compatible with Steel. Always ensure the surface is properly cleaned, degreased, and sanded before application to achieve the strongest adhesion and a professional finish.
How fast does autofxmart ship Carworx CSU?
Most in-stock orders for Carworx CSU ship the same or next business day from our US warehouse. Expedited options are available at checkout. Freight-class items may require an additional 1–2 days for carrier pickup.
Is this Carworx product genuine?
Yes. autofxmart is an authorized distributor of Carworx products. Every unit is factory-fresh, sealed, and backed by the manufacturer's standard warranty. If you have a concern, contact support@autofxmart.com and we will make it right.
What is the manufacturer part number (MPN) for Carworx CSU?
The MPN for Carworx CSU is 138587. Use this number when cross-referencing against TDS, SDS, or legacy supplier catalogs.
Documents & Safety
Required PPE: Safety glasses, chemical-resistant gloves, protective clothing, and respirator. This steel putty is flammable and can cause eye damage, skin irritation, and respiratory issues. May cause reproductive harm and organ damage with prolonged exposure. Use in well-ventilated areas only. In case of contact, flush eyes immediately with water and remove contaminated clothing. Always refer to the full SDS before use.
Why Buy from autofxmart
- Authorized distributor — authentic, factory-fresh stock.
- Fast US shipping — most orders ship within 1 business day.
- 30-day returns — buy with confidence.
- Pro-shop pricing — bulk discounts available on request.
- Expert support — questions? Email us at support@autofxmart.com.