Skip to Content
Henkel Adhesive Technologies

Henkel Adhesive Technologies

Loctite Technology Cluster Brand for Product Detail Pages

Retaining compounds


Medium-strength bonding for ease of disassembly

This medium-strength retaining compound is designed for bonding cylindrical fitting parts, particularly where regular servicing is needed.

All marks used are trademarks and/or registered trademarks of Henkel and its affiliates in the US, Germany, and elsewhere.

Part no. (SKU/IDH)

LOCTITE® 641, 50 ml Bottle



When you’re working with parts that need regular dismantling – retention of bearings on shafts and in housings, for example – try LOCTITE®  641. This medium-strength anaerobic retaining compound cures when confined in the absence of air between close-fitting metal surfaces and prevents loosening and leakage due to shock and vibration.

Product category:

Retaining compounds




Fixture time:

20.0 min.

Gap fill:

0.15 mm

Key characteristics:

Strength: medium strength

Operating temperature:

-55.0 °C - 150.0 °C (-65.0 °F - 300.0 °F)

Recommended for use with:

Metal: steel

Shear strength, Steel:

12.0 N/mm² (1700.0 psi)


600.0 mPa·s (cP)

Related industries and market segments

Recently viewed products

Request a consultation

Unplanned downtime or lower plant productivity can prevent you from achieving the manufacturing excellence that you are looking for. Consult with our experts to find ways to make your machine more reliable and reduce unplanned downtime to save costs.