Threadlocker

What is Threadlocker?

Thread locker is a common industry product used to prevent fasteners from becoming loosened due to vibrations or other impact loads. 

When Should I Apply Threadlocker?

Thread locker should only be applied where specified in each repair guide. The type of Thread locker used should also only be the specified type. Thread locker should never be used on plastic materials and should be cleaned immediately if it is spilled on plastic. failure to do so can cause parts to crack. 

Threadlocker Usage

• M2.5 and smaller: Purple Loctite 222 (Low Strength)

• M3 and higher: Blue Loctite 243 (Medium Strength)

• If specified: Red Loctite 23 (High Strength)

• If specified: Green Loctite 290 (Press fit/Permenant)

Don't Use Threadlocker With..

• Nyloc Nuts.

• Plastic Parts or Plastic Fasteners.

Threadlocker Application

Appropriate amount

Through Holes

1. Inspect the screw and the screw hole for debris and grease. 

   1. Clean with IPA if needed.

2. Select the correct threadlocker for the application. 

3. Insert the bolt into the through hole.

4. Apply the appropriate amount of threadlocker onto the threads of the bolt. 

5. Tighten the nut onto the bolt.

Blind Holes < M5

1. Inspect the screw and the screw hole for debris and grease. 

   1. Clean with IPA if needed.

2. Select the correct threadlocker for the application. 

3. Apply the appropriate amount with drops or by dipping the bottom threads of the bolts treads into Threadlocker.

4. Tighten the fastener in the blind hole as usual.

Blind Holes < M6

1. Inspect the screw and the screw hole for debris and grease. 

   1. Clean with IPA if needed.

2. Select the right threadlocker for the application. 

3. Apply the appropriate amount with a drop or by dipping the bottom threads of the bolts into Threadlocker. 

4. Apply several drops of Threadlocker onto Female Threads.

5. Tighten the fastener in the blind hole.

Strapping

Threadlocker should never be used when securing to plastic as it is corrosive, instead we must strap all fasteners securing into plastic with super glue to act as a threadlocker

1. Apply a drop of Super Glue/Gorilla Glue to the bottom of the head of the bolt.

   1. DO NOT place super glue on the threads of the bolt

2. Secure into assembly.