Description
Product Overview
Loctite 640470 Quickstix 668 Retaining Compound is a high-performance solution engineered for industrial and scientific applications requiring secure mechanical retention. Designed with Loctite’s trusted formulation, this product delivers consistent bonding strength in demanding environments. Its compact size (3.8 x 1 x 1 inches) makes it ideal for use in confined spaces or precision assembly tasks. With an item model number AB937, it is part of Loctite’s reliable line of retaining compounds used across manufacturing and engineering sectors.
Usage
This product is commonly used in industrial settings where mechanical parts need to be securely retained without permanent fasteners. It’s ideal for applications such as bearing retention, shaft locking, and gear assembly. Engineers and technicians working with machinery or precision equipment will find this compound useful due to its ease of application and strong bonding properties. Suitable for both stationary and mobile equipment installations.

Why Choose Us
Loctite Quickstix 668 is backed by decades of engineering expertise, ensuring reliable performance across diverse industrial applications. The product’s formulation provides excellent resistance to vibration and thermal cycling, making it suitable for long-term installations. Its user-friendly design allows quick application without specialized tools or training. Additionally, Loctite offers robust customer support and technical resources to assist users with installation and troubleshooting.
Key Features
- Strong bonding performance for mechanical retention in industrial environments.
- Compact, easy-to-handle design ideal for tight spaces and precision applications.
- Resistant to vibration and thermal cycling for long-term reliability.
- Quick application process with minimal preparation or tools required.
- Backed by Loctite’s global customer support and technical assistance network.
FAQ
What is the primary use of this retaining compound?
This product is primarily used for mechanical retention in industrial applications such as bearing, shaft, or gear assembly where secure bonding without permanent fasteners is required.
Is it suitable for high-temperature environments?
Yes, Loctite Quickstix 668 offers good resistance to thermal cycling and vibration, making it suitable for applications in moderate to elevated temperature environments commonly found in industrial machinery.
How do I apply this product?
The compound is designed for easy application using the built-in applicator. Simply dispense a controlled amount onto the mating surfaces and assemble parts as needed. No special tools or preparation are required.
What’s the shelf life of this product?
When stored properly in sealed containers, Loctite Quickstix 668 retains its performance characteristics for up to two years from date of manufacture.
Does it require special disposal procedures?
No. This product is designed for industrial use and can be disposed of according to standard hazardous waste regulations applicable in your region, following local environmental guidelines.






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