Loctite 565 Controlled Strength Thread Sealant is formulated specifically for metal, tapered pipe thread fittings. Loctite 565 replaces most tapes and pipe dopes. Cures rapidly to withstand 10, 000 psi. Perfect as a replacement for pre-coated parts. Typical Applications: Stainless steel fittings, head bolts into through holes, oil psi- sending units/sensors, oil and coolant lines, intake manifold switches, rear axle fill plug, fuel fittings.