27
Aug
How To Install A HeliCoil Insert. Thread the Helicoil insert into the hole until it rests at least a 14 turn below the surface of the metal having the stripped threads repaired.
Turn the handle of the mandrel clockwise to thread it in the hole.
How to install a helicoil insert. How To Install A HeliCoil Insert. Installing a HeliCoil insert requires drilling out the original hole to match the new coil tapping the hole for the coil installation and tang removal. You can purchase the inserts individually or in kits.
Using a Helicoil thread repair kit to repair threads inside an aluminum fixture. This damaged stripped thread repair can be done in a variety of materials a. Installing any helicoil insert requires the same basic steps.
First you drill the hole and then the tap hole to provide a threaded track for the coil. The coil itself is then placed on the end of the appropriate nosepiece depending on whether you are using a tanged or tangless coil insert. Insert installation depth is dependent on the presence of a countersink 34 to 1-12 turns below the surface with a countersink and 14 to 12 turns below the surface without a countersink.
Tangless CoilThread Insert installation is now complete. Tanged inserts require removal and retrieval of the tang continue to step 6. Install the insert to the proper depth below the top surface 14 to 12 pitch for tapped holes without a countersink and 34 to 1-12 pitch for holes with a countersink.
Set the end of the threaded insert in the tapped hole. Turn the handle of the mandrel clockwise to thread it in the hole. Insert installation Slide the insert with the cross bent end first into the tube Follow it with the notched shaft and engage the cross bent end.
Start to crank clockwise until the insert just. Insert the helicoil into your freshly tapped hole With red threadlocker applied you can now insert the helicoil into your freshly tapped hole. Installing a heli-coil insert into part can be done manually or with a power tool.
For high volume production applications using a power tool is essential. Thread the Helicoil on the mandrel of the supplied Helicoil installation tool. Liberally apply thread lock to the Helicoil insert.
Place the Helicoil insert into the hole. Thread the Helicoil insert into the hole until it rests at least a 14 turn below the surface of the metal having the stripped threads repaired. To install the threaded insert youll first have to use the supplied drill bit to drill out and completely remove the damaged threads.
While doing the final repairs on my T-5 Transmission I needed to do some thread repair. Because of that I decided to make this quick video on how to repair. Heli-Coil screw thread inserts Heli-Coil inserts are preci-sion formed screw thread coils worked into a diamond shape.
The resultant surface finish is a mirror-like 8-16 micro inches. This wire is then wound into a spiral coil which when installed into Heli-Coil tapped holes pro-vides permanent conventional 60o internal screw threads. Helicoil Drilling Data - Metric.
For plug Taps 516 or M8 and smaller. F is equal to the insert nominal length Q ½ the nominal bolt diameter 5 Pitch allowing for tap chamfer countersink and maximum set-down.