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Threadlockers for Metals

Available49 products
These threadlockers work with metal fasteners to prevent loosening due to vibration. They fill the space between the threads of bolts and screws to hold them in place and form a barrier around the threads to prevent leaks, corrosion, and rust. Threadlockers are color-coded to represent their locking strength and other unique properties. They are anaerobic, which means they begin to cure in the absence of air, and in the presence of metal ions when threads are engaged. Threadlockers can be applied directly to fasteners with active metal ions such as plain steel, copper, iron, and brass. For inactive metals such as stainless steel, aluminum, and coated or plated metals, threadlockers require a primer to prepare the surface and accelerate curing. Primerless threadlockers work on both active and inactive metals without the need for a primer.
Standards

Low-Strength Threadlockers (Purple)

Low-Strength Threadlockers (Purple)

Low-strength threadlockers are suitable for small fasteners or for applications that require quick and frequent disassembly. A hand tool is all that is needed to release the bond and remove the fastener. These threadlockers are identified by the color purple on their packaging and in their dispensed substance. A primer is required when applying to fasteners made of inactive metals such as stainless steel, aluminum, and coated or plated metals.

Oil Tolerant

Threadlocker
Primer for Inactive Metals
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Standard

Threadlocker
Primer for Inactive Metals
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Meets Mil Spec

Threadlocker
Primer for Inactive Metals
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Medium-Strength Threadlockers (Blue)

Medium-Strength Threadlockers (Blue)

Medium-strength threadlockers are for general purpose applications where a hand tool is all that is needed to release the bond, making them suitable for parts that require disassembly and adjustments. These threadlockers are identified by the color blue on their packaging and in their dispensed substance. A primer is required when applying to fasteners made of inactive metals such as stainless steel, aluminum, and coated or plated metals.

Standard

Threadlocker
Primer for Inactive Metals
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High-Temperature Resistant

Threadlocker
Primer for Inactive Metals
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No-Drip

Threadlocker
Primer for Inactive Metals
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High-Strength Threadlockers (Red)

High-Strength Threadlockers (Red)

High-strength threadlockers are suitable for permanent assemblies using large fasteners. They require heat and a hand tool to release the bond and remove the fastener. These threadlockers are used in applications with more vibration such as in engines and machinery and are identified by the color red in their packaging and in their dispensed substance. A primer is required when applying to fasteners made of inactive metals such as stainless steel, aluminum, and coated or plated metals.

Oil Tolerant

Threadlocker
Primer for Inactive Metals
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Standard

Threadlocker
Primer for Inactive Metals
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High-Temperature Resistant

Threadlocker
Primer for Inactive Metals
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No-Drip

Threadlocker
Primer for Inactive Metals
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Wicking Medium-Strength Threadlockers (Green)

Wicking Medium-Strength Threadlockers (Green)
Wicking medium-strength threadlockers bond parts that are already threaded and assembled. Their ultra-thin consistency seeps, or "wicks," into the crevices of a threaded connection to cure and harden. A hand tool releases the bond and removes the fastener, making them suitable for applications that require disassembly and adjustments. These threadlockers are identified by the color green in their packaging and also in their dispensed substance. A primer is required when applying to fasteners made of inactive metals such as stainless steel, aluminum, and coated or plated metals.

Standard

Threadlocker
Primer for Inactive Metals
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