LOCTITE® 638 High Strength Threadlock 50ml
LOCTITE® 638 is a general purpose thread locker of high bond strength. Designed for the bonding of cylindrical fitting parts, particularly where bond gaps can approach 0.25mm.
638 works not only on active metals but also on passive substrates, exhibiting robust cure performance. It offers high temperature performance and good oil tolerance, it will tolerate minor surface contaminants.