Threadlockers

Threadlocker sealants secure threaded fasteners and prevent loosening caused by vibration and corrosion in extreme aerospace environments. We offer a variety of threadlocker types, strengths, and viscosities--high, medium, and low-strength threadlocker sealants are available in liquid and paste formulations. Shop top-brands like Henkel Loctite and CRC Industries to find the right threadlocker formula for your application needs.
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Henkel Loctite® 242 Threadlocker Sealant 24221 Blue, 10 mL bottle
Henkel Loctite® 242 Threadlocker Sealant 24221 Blue, 10 mL bottle
Henkel Loctite

Mfr Part#
24221

Boeing Distribution (formerly Aviall)
Henkel Loctite® 242 Threadlocker 135355, Blue, 50 mL Bottle
Henkel Loctite® 242 Threadlocker 135355, Blue, 50 mL Bottle
Henkel Loctite

Mfr Part#
24231

Boeing Distribution (formerly Aviall)
Henkel Loctite® 222 Threadlocker Sealant 21463 Purple, 10 mL bottle
Henkel Loctite® 222 Threadlocker Sealant 21463 Purple, 10 mL bottle
Henkel Loctite

Mfr Part#
21463

Boeing Distribution (formerly Aviall)
Henkel Loctite® 243 Threadlocker Sealant 1329837 Blue, 10 mL bottle
Henkel Loctite® 243 Threadlocker Sealant 1329837 Blue, 10 mL bottle
Henkel Loctite

Mfr Part#
1329837

Boeing Distribution (formerly Aviall)
Henkel Loctite® 271 Threadlocker Sealant 27121 Red, 10 mL bottle
Henkel Loctite® 271 Threadlocker Sealant 27121 Red, 10 mL bottle
Henkel Loctite

Mfr Part#
27121

Boeing Distribution (formerly Aviall)
Henkel Loctite® 1329467 Threadlocker Sealant 243, Blue Color, 50 mL Bottle
Henkel Loctite® 1329467 Threadlocker Sealant 243, Blue Color, 50 mL Bottle
Henkel Loctite

Mfr Part#
1329467

Boeing Distribution (formerly Aviall)
Henkel Loctite® 290 Threadlocker Adhesive 233731 Green, 10 mL bottle
Henkel Loctite® 290 Threadlocker Adhesive 233731 Green, 10 mL bottle
Henkel Loctite

Mfr Part#
29021

Boeing Distribution (formerly Aviall)
Henkel Loctite® 222MS™ Threadlocker 135333 Purple, 10 mL bottle
Henkel Loctite® 222MS™ Threadlocker 135333 Purple, 10 mL bottle
Henkel Loctite

Mfr Part#
22221

Boeing Distribution (formerly Aviall)
Dykem® Cross Check™ Torque Seal® Tamper-Proof Indicator Paste, Pink, 1 oz
Dykem® Cross Check™ Torque Seal® Tamper-Proof Indicator Paste, Pink, 1 oz
Hazmat
Hazmat
ITW

Mfr Part#
83320PINK

Boeing Distribution (formerly Aviall)
Henkel Loctite® 08931 Grade AA (089) Threadlocker Sealant, Green Color, 50 mL Bottle
Henkel Loctite® 08931 Grade AA (089) Threadlocker Sealant, Green Color, 50 mL Bottle
Henkel Loctite

Mfr Part#
08931

Boeing Distribution (formerly Aviall)
ADHESIVE: THREADLOCKER,50ML, LOCTITE 290MED STRENGTH
ADHESIVE: THREADLOCKER,50ML, LOCTITE 290MED STRENGTH
Henkel Loctite

Mfr Part#
29031

Boeing Distribution (formerly Aviall)
Henkel Loctite® 263 Threadlocker Sealant 1330583 Red, 10 mL bottle
Henkel Loctite® 263 Threadlocker Sealant 1330583 Red, 10 mL bottle
Henkel Loctite

Mfr Part#
1330583

Boeing Distribution (formerly Aviall)
Henkel Loctite® 262 Threadlocker 231926 Red, 10 mL bottle
Henkel Loctite® 262 Threadlocker 231926 Red, 10 mL bottle
Henkel Loctite

Mfr Part#
26221

Boeing Distribution (formerly Aviall)
Henkel Loctite® 222MS™ Threadlocker Adhesive, 50 mL Bottle, Purple
Henkel Loctite® 222MS™ Threadlocker Adhesive, 50 mL Bottle, Purple
Henkel Loctite

Mfr Part#
22231

Boeing Distribution (formerly Aviall)
Henkel Loctite® 271 Threadlocker Sealant 27131 Red, 50 mL bottle
Henkel Loctite® 271 Threadlocker Sealant 27131 Red, 50 mL bottle
Henkel Loctite

Mfr Part#
27131

Boeing Distribution (formerly Aviall)
Henkel Loctite® 08431 Letter Grade C (084) Threadlocker 195776 Blue, 50 mL Bottle
Henkel Loctite® 08431 Letter Grade C (084) Threadlocker 195776 Blue, 50 mL Bottle
Henkel Loctite

Mfr Part#
08431

Boeing Distribution (formerly Aviall)
Henkel Loctite® 222 Threadlocker Sealant, Purple, 50 mL Bottle
Henkel Loctite® 222 Threadlocker Sealant, Purple, 50 mL Bottle
Henkel Loctite

Mfr Part#
21464

Boeing Distribution (formerly Aviall)
Henkel Loctite® 08831 Grade A (088) Threadlocker Sealant Red, 50 mL Bottle
Henkel Loctite® 08831 Grade A (088) Threadlocker Sealant Red, 50 mL Bottle
Henkel Loctite

Mfr Part#
08831

Boeing Distribution (formerly Aviall)
ADHESIVE: THREADLOCKER,50ML, LOCTITE 277
ADHESIVE: THREADLOCKER,50ML, LOCTITE 277
Henkel Loctite

Mfr Part#
27731

Boeing Distribution (formerly Aviall)
Henkel Loctite® 592 Thread Sealant 209761 White, 50 mL bottle
Henkel Loctite® 592 Thread Sealant 209761 White, 50 mL bottle
Henkel Loctite

Mfr Part#
59231

Boeing Distribution (formerly Aviall)
Showing 1-20 of 1069 results

Frequently Asked Questions

What is threadlocker used for?

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Threadlocker sealant is used in aviation to secure gaps between threads on bolts, screws, and other threaded fasteners to lock them in place and prevent loosening caused by vibrations. Another benefit of the threadlocker sealant is that it provides corrosion protection, which serves to prolong the lifespan of critical aircraft components and equipment that are exposed to extreme aerospace environments.

How to use threadlocker?

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The application of threadlocker sealant is simple—the liquid or paste formula is applied directly to clean, grease-free threaded components. Threadlockers typically have a rapid cure time, meaning that within minutes, the sealant hardens to create a strong, reliable seal.

What are some of the threadlocker types?

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Threadlocker is available in a variety of strengths. High-strength threadlockers can be used to create permanent bonds. Low-strength threadlocker sealants can be used in applications where fasteners need to be easily disassembled with standard hand tools for regular servicing tasks.

Product information provided "as is", and Boeing may add, change, discontinue or remove product information at any time. Product photos may not be exact match to product delivered. See terms & conditions.