Size: 50 ML Top Pick Loctite 620 is a high temperature (450F), high viscosity liquid retaining compound. Provides a shear strength of over 3,800 psi on steel. Locks and secures metal cylindrical assemblies up to 0.015 #34; diametral clearance. Prevents metal fretting and corrosion. Seals against leakage. Recommended for high temperature retaining of parts with a clearance or interference fit, i,e, retaining bushes, bearings, seals, fans and liners. Requires heat cure to achieve temperature resistance. ABS Approved.