AST-LOCK™
ANAEROBIC THREADLOCKERS
AST-LOCK anaerobics cure within metal connections, in the absence of oxygen, and at ambient temperatures. Available in a full range of strengths and viscosities. These anaerobics fill all surface imperfections and set to a tough, durable seal across the entire surface while distributing the stress load and reducing fastener fatigue. Vibration loosening is prevented and the connection is sealed and protected against corrosion.
AST-LOCK Anaerobic Threadlockers provide a solution for every practical industrial application. Lock screws in place and secure bolts and studs. Use right out of the bottle. Packaged in three popular sizes to fit your particular job or application.
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For use with most AST-LOCK™/AST-SEAL™ anaerobic compounds:
AST-LOCK™ PRIMER T is Acetone Based and fast acting
• Viscosity: 3 Cps, Flash Point: 0ºF, Color: Yellow, P/N: 39008
AST-LOCK™ PRIMER N N is Heptane Based and good for general-purpose applications
• Viscosity: 3 Cps, Flash Point: 30ºF, Color: Green, P/N: 39118
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AST-LOCK™ 22LS Best suited for metal fasteners under 3/4" when a low-strength threadlocker is required for easy disassembly. Designed for setscrews, machine screws, calibration screws, adjustment screws, and thermostat screws. Color: Purple, (Loctite Interchange P/N#: 222)
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AST-LOCK™ 42MS Excellent general purpose for nuts, bolts, and screws up to 3/4". Prevents fasteners from vibrating loose yet parts are removable with hand tools. Applications include drive shaft fasteners, hydraulic bolts, and gearbox bolts. Color: Blue, (Loctite Interchange P/N#: 242/243)
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AST-LOCK™ 62HS Designed primarily for use on Grades 5 and 8, very strong for permanent fasteners up to 3/4". It resists harsh environments and impact and is intended to seal fasteners with poor tolerances. Color: Red, (Loctite Interchange P/N#: 262)
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AST-LOCK™ 71HS This high-strength anaerobic is the best threadlocker for resisting extreme shocks, vibration, and/or environmental conditions. Use on vibrating machine fasteners, valve seats, and transmission studs up to 1". Color: Red, (Loctite Interchange P/N#: 271)
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AST-LOCK™ 72HT Our highest temperature-rated threadlocker is also one of the strongest. Designed for some of the toughest applications that also require higher-than-usual temperature limitations. Color: Red, (Loctite Interchange P/N#: 272)
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AST-LOCK™ 77HS Best suited for fastener applications with diameters greater than 1". This threadlocker offers the best gap filling capabilities with excellent strength and non-migrating characteristics. Color: Red, (Loctite Interchange P/N#: 277)
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AST-LOCK™ 90PW Intended to penetrate and seal pre-assembled fasteners by capillary action. Use to secure setscrews and other assemblies after final adjustments are completed. Color: Green, (Loctite Interchange P/N#: 290)
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