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Bottle | One- Time-Use Capsule | Tube |
Consistency Consistency |
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Removal Method Removal Method |
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Specifications Met Specifications Met |
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Cure Type Cure Type |
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Breakaway Torque Breakaway Torque |
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Maximum Temperature Maximum Temperature |
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Minimum Temperature Minimum Temperature |
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Mixing Required Mixing Required |
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DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense AcquisitionRegulations Supplement) |
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RoHS (Restriction of Hazardous Substances) RoHS (Restriction ofHazardous Substances) |
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Reaches Full Strength Reaches Full Strength |
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About Structural Adhesives
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Heavy Duty Threadlockers


To withstand demanding, high-vibration applications such as motor and pump housings, these threadlockers have high breakaway torque. They begin to harden once coated surfaces are threaded together and exposure to air is blocked.
Primer (sold separately) cleans the surface and decreases the time to reach full strength. It is recommended when working with aluminum, stainless steel, and titanium; black-oxide finishes, and cadmium and zinc coatings.
263 bonds oily fasteners and does not require primer. Those that meet NSF/ANSI 61 are good for use with drinking water systems.
Container | |||||||||||||
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Mfr. Model No. | Size, oz. | Type | Begins to Harden | Reaches Full Strength | Temp. Range, °F | For Max. Thread Dia. | Consistency | Viscosity, cP | Breakaway Torque, in.-lbs. | Color | Specifications Met | Each | |
High Locking Strength | |||||||||||||
Loctite® Threadlockers | |||||||||||||
263 | 0.02 oz. | One-Time-Use Capsule | 5 min. | 24 hrs. | -65° to 360° | 1" | Thin Liquid | 500 | 275 | Red | __ | 000000000 | 00000 |
263 | 0.34 oz. | Bottle | 5 min. | 24 hrs. | -65° to 360° | 1" | Thin Liquid | 500 | 275 | Red | __ | 000000000 | 00000 |
263 | 1.69 oz. | Bottle | 5 min. | 24 hrs. | -65° to 360° | 1" | Thin Liquid | 500 | 275 | Red | __ | 000000000 | 00000 |
263 | 8.45 oz. | Bottle | 5 min. | 24 hrs. | -65° to 360° | 1" | Thin Liquid | 500 | 275 | Red | NSF/ANSI 61 | 000000000 | 000000 |
Adhesive Maintenance Kits

Assorted adhesives for routine maintenance work or quick repairs.
Mfr. | Includes | Component (Mfr. Model No.) | Reaches Full Strength, hrs. | Mixing Required | Each | |
Loctite® | Case | Pipe Thread Sealant (567)—1.69 oz. Bottle Threadlocker (243)—0.34 oz. Bottle Threadlocker (263)—0.34 oz. Bottle Retaining Compound (609)—0.34 oz. Bottle Retaining Compound (660)—1.69. Tube Gasket Maker Sealant (587)—2.4 oz. Tube Gasket Maker Sealant (518)—1.69 oz. Tube Pipe Thread Sealant (5452)—1.69 oz. Tube | 24 | No | 0000000 | 0000000 |