This table describes Long-Lok's 10 processes. See more detail by clicking the process name. See our Applications Cross-Reference for more application examples.

Process Name Process Type Temp. Range Application Examples (more) Special Features
Patch. Place patch on fastener.
-100ºF to 400ºF
-73ºC to 204ºC
Aircraft brackets

Avionics systems

Hospital beds

Medical Imaging Systems

Hydraulic digger derricks

High temperature patch. High reusability.
Strip. Cut a small strip into bolt's longitudinal axis. Fill strip with material.
-450°F to +1200°F
-268°C to + 649°C
Pressure regulating industrial sensors and controls

Airplane fuel systems

Neonatal monitoring systems

Lawn & garden tools
Material can be nylon, Kel-F® or other material per temperature and torque needs.
Pellet. Drill a hole. Fill hole with material.
-450°F to +500°F
-268°C to + 260°C
Pressure regulating industrial sensors and controls

Airplane fuel systems

Neonatal monitoring systems

Lawn & garden tools
Material can be nylon, Kel-F® or other material per temperature and torque needs.
2 locking surfaces. Uses Vespel® inserts.
-450°F to +500°F
-268°C to + 260°C
Airborne turboprop engines

Ground-based turbines

Commercial and military aircraft braking systems

Auxiliary power units

Rapid transit and rail subsystems
Up to 15 reuses. Vespel® material for locking element. 2 locking surfaces.
Pin. Outer diameter of pin extends above root diameter of external threads and below minor diameter of internal threads
to 1200º F (649°C)
Airborne turboprop engines

Ground-based turbines

Commercial and military aircraft braking systems

Auxiliary power units

Rapid transit and rail subsystems
Wide range of locking materials available.
All metal. Fastener forms its own locking element. No additional locking element material needed.
-400°F to +1200°F
-240°C to + 649°C
Airborne turboprop engines

Ground-based turbines

Commercial and military aircraft braking systems

Auxiliary power units

Rapid transit and rail subsystems
Temperature range limited only by bolt material.
Pre-applied adhesive. During assembly, Dri-Loc is activated releasing anaerobic adhesive which locks parts securely.
-65°F to +400°F
-54°C to + 204°C
Auto shock absorber leveling systems

Hospital beds

Hospital IV stands
Harden in the absence of air on ferrous and nonferrous metals without primer, activators or heat. Exhibit controlled lubricity, low on-torque and are dry to touch for ease of assembly with automatic or hand tools.
Inserts. Provides self-locking internal thread.
-320°F to +390°F
-196°C to + 199°C
Soft materials, such as aluminum, magnesium and plastics
Additional joint strength, self-locking internal threads, and wear-resistant internal threads in soft materials.
Self-sealing. O-rings are positioned under the head in a precision-engineered groove.
-75°F to +450°F
-59°C to + 232°C
Motors

Cabinets and enclosures

Sensors and instrumentation

Internal combustion engines

Gear pumps

Fuel tanks

Transmissions

Gear boxes

Air cylinders

Pressure gauges

Computer disk drives

Motion control valves

Missile tank

Wet wings
Positive Sealing-Pressure and Vacuum

Cold-Formed for Superior Strength and Uniformity

High Reusability

Optional Self-Locking Capability
Pre-applied thread seal. Highly filled water based liquids. When dried, they become a resilient, tight clinging and non-curing sealant
-65°F to +300°F
-54°C to +149°C
Rear Axle Filler Plugs

Bearing Adjuster Nuts

Overhead Fire Sprinklers

Pressure Gauges & Sensors

Cable Connectors

Door Closure Hardware

Brake Fittings

Compressor Pipe Plugs

Shower Heads

Pipe Fittings of all Kinds

Adjustment Screws

Screws for Plastic Assembly
 

Dyna-Nut™

Self-locking, castellated hex nut, silver plated to +800°F; +426°C

rod end bearings

military vehicles

actuators

High temperature nut. Corrosion resistant


See for Yourself

Send us a sample of your part or fastener, along with a brief description of its application and performance requirements, and we’ll process it using the most appropriate Long-Lok thread locking or sealing method. Or, to sample a standard Long-Lok fastener, simply supply us with a part number. Samples are provided free of charge. Call your nearest Long-Lok facility for assistance.