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Product Details

Permatex Medium Strength Threadlocker BLUE is an OEM specified, all-purpose, medium strength threadlocker. (Formerly called Loctite 242) Ideal for all nut and bolt applications 1/4" to 3/4" (6mm to 20mm). Eliminates need for stocking expensive lock nuts and lock washers.

Locks and seals while preventing parts loosening due to vibration. Protects threads from corrosion. Removable with hand tools for easy disassembly.

Tech Specs
Product Benefits Typical Applications Typical Applications
Seals against leakageBelt tensioner boltsValve Cover Bolts
Eliminates vibration issuesPulley boltsVacuum Adjustment Screws
Prevents rusting of threadsCup and core plugsOil Pan Bolts
Cures without cracking or shrinkingFan hub boltsAxle Cover Screws
Can be adjusted or disassembledVisor mount boltsDrive Shaft Bolts
Easy Application with no mixing or curing outside of jointStarter mounting boltsDisc Brake Caliper Bolts
Thixotropic: resists dripping from threads during assemblyAlternator Mounting BoltsGearshift Knobs
No torque compensation required during assemblyIntake Manifold Bolts-
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