Introduction
The Permatex 24200 Threadlocker Blue is a medium-strength anaerobic adhesive designed to secure threaded fasteners. It prevents loosening due to vibration and shock, while also sealing threads to protect against leaks and corrosion. This product is suitable for a wide range of applications where fasteners may require future disassembly with standard hand tools.

Image: Permatex 24200 Threadlocker Blue in its retail packaging, showing the product tube and key features.
Product Features
- Medium Strength: Provides secure fastening while allowing disassembly with hand tools.
- Vibration Resistance: Prevents parts from loosening under dynamic loads and vibrations.
- Corrosion Protection: Seals threads to guard against rust and corrosion.
- Versatile Application: Ideal for nut and bolt applications sized 1/4" to 3/4" (6mm to 20mm).
- Liquid Formula: Easy to apply to threaded components.

Image: Product packaging highlighting features such as hand tool removable, 1/4"-3/4" (6-20mm) application range, and prevention of vibration loosening.
Safety Information
Always read the product label and Material Safety Data Sheet (MSDS) before use. Use in a well-ventilated area. Avoid contact with skin and eyes. In case of contact, flush with water immediately. Keep out of reach of children. This product contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm (Proposition 65 Warning).

Image: The reverse side of the Permatex Threadlocker Blue packaging, displaying safety warnings, usage instructions, and product specifications.
Setup & Preparation
For optimal performance, ensure surfaces are clean and dry. Remove any oil, grease, or dirt from the threads using a suitable cleaner. Allow surfaces to dry completely before application.

Image: A hand applying a drop of blue threadlocker liquid onto the threads of a metal bolt, demonstrating the application process.
Application Instructions
- Clean and dry all threaded parts thoroughly.
- Shake the product well before each use.
- Apply several drops of Permatex 24200 Threadlocker Blue to the bolt threads in the area where the nut will rest.
- Assemble and tighten the parts as usual.
- Allow 20 minutes for initial curing and 24 hours for full cure before subjecting to full load.
This medium-strength threadlocker is ideal for various applications, including:
- Valve Cover Bolts
- Water Pump Bolts
- Oil Pan Bolts
- Drive Shaft Bolts
- Rocker Arm Adjustment Nuts
- Carburetor Studs
- Intake Manifold Bolts

Image: Permatex Threadlocker Blue packaging shown alongside illustrations of common applications like oil pan bolts, valve cover bolts, and water pump bolts.
Helpful Videos
Video: This video provides guidance on how to select the appropriate threadlocker for various applications, explaining the differences between types.
Video: This video demonstrates the application and benefits of thread lock products, showcasing their use in securing fasteners.
Maintenance
Permatex 24200 Threadlocker Blue is designed for easy disassembly with standard hand tools. To remove a fastener, simply apply appropriate torque with a wrench or other hand tool. No special heating or solvents are typically required for removal.
Troubleshooting
- Fastener not holding: Ensure surfaces were clean and dry before application. Verify that the correct amount of threadlocker was applied and allowed sufficient cure time.
- Difficulty removing fastener: While designed for hand tool removal, excessive threadlocker or prolonged cure times in certain conditions might increase removal torque. Ensure you are using appropriate hand tools.
Product Specifications
| Specification | Detail |
|---|---|
| Item Model Number | 59-9212 |
| Material | Anaerobic Threadlocking |
| Style | Liquid - Medium Strength |
| Item Weight | 0.05 Pounds |
| Product Dimensions | 5 x 3.81 x 6.5 inches; 0.8 ounces |
| Manufacturer | Permatex |
| Date First Available | April 1, 2004 |
What's in the Box
- One (1) tube of Permatex 59-9212 Threadlocker Blue Medium Strength (6 ml)
Warranty and Support
For information regarding product warranty, technical support, or any other inquiries, please refer to the official Permatex website or contact their customer service directly. Permatex is committed to providing high-quality products and support.