Henkel Loctite 638 50ml High-Strength Retaining Compound:
- Technical Specifications: Green liquid anaerobic compound, bottle capacity 50ml, maximum diametral clearance gap up to 0.25mm (0.010"), shear strength on steel 31 N/mm² (4,500 PSI), service temperature range -55°C to +180°C, fixture time 4 minutes on steel (full cure 24 hours), robust curing on active and passive metals (stainless steel, plated surfaces).
- Unrivaled 31 N/mm² Shear Strength: Locks cylindrical press-fits, bearings, bushings, pulleys, and keyways against extreme dynamic torsional loads and fretting corrosion.
- High-Temperature Tolerance (180°C): Withstands intense heat generated by heavy electric motor shafts, gearboxes, and automotive drivetrains.
- 100% Surface Contact & Anti-Fretting: 100% fills micro-voids between metal mating surfaces, eliminating microscopic slippage and preventing fretting wear.
- Applications: Securing ball bearings onto shafts, locking press-fit bushings, retaining pulleys and sprockets, and repairing worn bearing housings.
