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L4020-420-1d

L4020 Tangfree coil thread insert

L4020 Tangfree Free Running thread insert

The advantages:
No tang is required for the installation of these thread inserts – therefore, tang break or tang removal are not required.
Installation from both ends with identical quality 
Easy handling 
Processing without directional orientation
No tang break – no tang removal 
No risks from tangs left in component 
Reduced installation time due to less process steps 
Reduced testing and documentation effort
 
Installation:
You do not need a tang to install these thread inserts. Therefore, tang break and removal are not required. Combined with the matching installation tools
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d Internal Thread 1/4"-20
Kxd Code 1d
Nominal thread lengths 6.40 mm
W Number of threads prior to installation 3.375 Turns
D1 Insert Diameter 7.87 mm
D1 Max. Insert Diameter 8.38 mm
Tap Drill Size 6.70 mm
Tangfree Free Running
Inserts Materials Stainless steel SUS304H
Surface Treatment Cleaning
Installation Equipment/Method
Special installation tool
Base panel material Metal,Plastic

Type  L4020 data

How do you install wire thread inserts?

Installing a wire thread insert requires several key steps to ensure a correct and secure installation. Here is a step-by-step guide to installing a wire thread insert:

Installation steps:
Prepare the area:
Ensure the work area is clean and free of debris. Wear goggles to protect your eyes.

Drilling:
Use a drill bit that matches the size of the wire thread insert being used. Drill out any damaged threads and create a clean hole. Make sure the hole is straight and to the correct depth.

Knock hole:
After drilling, use a tap to create new threads in the hole. Apply lubricant to the tap to reduce friction and make the process smoother. Turn the tap slowly and steadily, occasionally reversing it to clear out any debris.

Insert the wire thread insert:
Insert the wire thread insert into the newly tapped hole using a suitable installation tool. The insert should be screwed in until it is flush with the surface of the material. If the insert has a tang, this will assist installation.

Break the handle (if applicable):
If the blade has a tang, use a snapping tool to snap it off at the designated location. This will ensure that the blade is fully secured and ready for use.

Final Check:
Check the installation to make sure the insert is properly seated and there are no obstructions. You can now install the screw or bolt using the newly created threads.

Tip:
Always refer to the manufacturer’s instructions for specific details on the size and type of insert used.

Make sure the drill and tap sizes are compatible with the wire thread insert specifications.

If you are unsure of the process, consider practicing on scrap materials first.

By following these steps, you can effectively install wire thread inserts and restore functionality to damaged threaded holes.