Loctite 277 High-Strength Threadlocker, 250 mL bottle. High strength, liquid form threadlocker for large fasteners. Protects threads from rust and corrosion. Removable with heat and hand tools. Full cure in 24 hours; maximum operating temperature up to 300°F. Series 277 (Series Part Number 27741). Container: 250 mL bottle. Strength: High. Container size range: 1 to 15.9 oz. Fastener size range: >M25; up to 1-1/2 in; up to 36.00 mm. Breakaway torque: 280 lb./in (M10 steel nuts & bolts after 24 hr at 22°C). Standards: ASTM D-5363 Group 2 Class 1 Grade 1; MIL-S-46163A Type A Grade L. Removal method: hand tool or heat.