Nuts N' Bolts 420, Purple

Hernon® Nuts N’ Bolts® 420 is a single-component, thixotropic anaerobic threadlocker that develops low strength for easy disassembly. It cures in the absence of air between close-fitting metal surfaces.

Typical Applications

• Prevents loosening and leakage of threaded fasteners
• Adjustment of set screws
• Where easy disassembly is required

Typical Properties

• Chemical type: methacrylate ester; purple fluorescent liquid
• Viscosity at 25 °C: 800–1600 cP; specific gravity 1.03
• Set time on steel: <20 minutes
• Breakaway torque on steel after 24 h (3/8-16 grade 5): 3.4–11.3 N·m

Quality / Notes

• Each batch tested to MIL-S-46163A Type II Grade M and ASTM D5363 (AN0311)
• Not recommended for pure oxygen or oxygen-rich systems
• Store at 7–29 °C (45–85 °F) in unopened containers