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Henkel Adhesive Technologies

Henkel Adhesive Technologies



First generation, yellow, medium-strength threadlocker (Military Spec)

One of the original yellow, medium viscosity, medium-strength threadlocker formulations from the 1950s. Designed for locking and sealing fine-threaded nuts, bolts and studs in legacy applications where compliance to Mil-S-22473E Grade B is required.

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® GRADE B, 50 ml Bottle



When you need to lock and seal fine-threaded nuts, bolts and studs in legacy applications where certification to Mil-S-22473E Grade B is required, choose LOCTITE® Grade B (85). This product is also suitable for mounting bearings, bushings and other shaft related applications, where medium strength is required. This yellow, medium viscosity, anaerobic curing adhesive cures in the absence of air and presence of metal. It also fluoresces under UV light – great for quality control.

Agency approvals / certificates / specifications:

MIL-S-22473E for existing designs





Cure type:

Anaerobic cure

Key characteristics:

Mix: no mix required,Strength: medium strength,Viscosity: medium viscosity

Number of components:

1 part

Associated industries and market segments

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