Loctite 648: Designed for the bonding of cylindrical fitting parts. The product cures when confined in the absence of air between close fitting metal surfaces and prevents loosening and leakage from shock and vibration. Typical applications include holding gears and sprockets onto gearbox shafts and rotors on electric motor shafts . Loctite 648 not only works on active metals (e.g. mild steel) but also on passive substrates such as stainless steel and plated surfaces. Benefits: Provides robust curing performance, high temperature performance and oil tolerance, tolerates minor surface contaminations for various oils such as cutting, lubrication, anti-corrosion and protection fluids. Brand / Quality: Loctite - High Quality. Bottle Size: 50ml. Type: High Temp Retainer.