Helicoil Harbor Freight (2024)

FAQs

Is a Heli-Coil a permanent fix? ›

Heli-Coil^® Kits - Thread Repair Kits & Master Sets

Restore stripped threads easily and permanently with Heli-Coil thread repair kits and master sets. Heli-Coil application-specific thread repair kits make complex repairs manageable and are often the recommended solution by both domestic and foreign automakers.

If a thread is "static" i.e. not likely to be done up and undone more than a few times in its lifetime, we would always say a helicoil type thread is the strongest option.

Key inserts are ideal for when a high degree of pull-out strength is required or for when a screw will be moving in and out repeatedly. Unlike helicoils, key inserts do not require a special installation tool and there is no tang to remove.

Consequently the insert then begins to wind out as the thread is undone. Another disadvantage of helical coil type inserts is that they are sometimes harder to fit than a solid bush. This applies especially In deep or inaccessible holes.

Removing helicoils is a very difficult task, but it can be done with a helicoil extraction tool.

Insert installation depth is dependent on the presence of a countersink (3/4 to 1-1/2 turns below the surface with a countersink and 1/4 to 1/2 turns below the surface without a countersink). Tangless CoilThread Insert installation is now complete.

Though their depth is short and inherently weak, Heli-Coils are often made of strong materials, like stainless steel. They work well with aluminum, plastic, and other softer materials.

The HeliCoil insert itself has special threads designed to grab the walls of the part, and the tang is there to help drive the insert into place. Free running inserts are fully rounded inserts that are slightly larger than the hole they install in.

Once you have selected the correct drill bit size, simply drill the hole. In our case it is a pass-through hole, so we will drill until we see the drill bit come through. For other types of holes, you will need to determine the depth of the hole and ensure you don't go too deep.

Self-tapping wire screw thread inserts offer a versatile and inexpensive method of putting stronger threads in wood and other fibrous materials.

What is another name for a Heli-Coil? ›

A helical insert (also called a screw thread insert (STI), although most users call them all by one of the prominent brand names: KATO®, Heli-Coil^® or Recoil^®) is an insert made of stainless steel or phosphor bronze wire, with a diamond cross section, coiled to form inner and outer threads.

In short, the answer is yes. LOCTITE^® 262™ is a high-strength threadlocker just like LOCTITE^® 2620™, but can withstand up to 360°F rather than the 650°F that LOCTITE^® 2620™ can withstand.

When preparing a hole to accept a Heli-Coil wire screw thread insert, a Screw Thread Insert or STI tap is used to prepare the hole.

Frequently Asked Questions: J-B Weld Twin Tube Epoxies

With a paste-like consistency, Twin Tubes are great at filling gaps and cracks. And once cured, they create a permanent bond and can be sanded, drilled, tapped, shaped and painted.

If they are inserted correctly and the plugs are not allowed to corrode in-place they should last a lifetime. A properly installed helicoil (a real Helicoil, not some knock-off) will restore threads to a like-new condition.

The HeliCoil insert itself has special threads designed to grab the walls of the part, and the tang is there to help drive the insert into place. Free running inserts are fully rounded inserts that are slightly larger than the hole they install in.

In summary, while locking helicoils are generally not intended to be reused, there are some situations where they may be able to be removed and replaced. However, it is important to exercise caution when removing locking helicoils to avoid damaging the surrounding threads or material.

Though their depth is short and inherently weak, Heli-Coils are often made of strong materials, like stainless steel. They work well with aluminum, plastic, and other softer materials. But they're not strong enough to effectively fasten stainless steel parts unless they have a special coating.