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Product types

E-mail

info@tfscrew.com

WhatsApp

+86-13802378045

Phone

+86-13763151301

For high-strength fastenings

HELICOIL® thread inserts create load-bearing joints

HELICOIL® thread inserts have been reliable in practice for over 65 years. They are available in Free Running and Screwlock versions. There is virtually no task that this thread technology cannot handle.

Plus points

Advantages of HELICOIL®

Accumulated know-how

The elastic properties of the HELICOIL® thread insert distribute load and tension uniformly. Result: A higher-quality screw joint compared to a screw joint without HELICOIL®.

Thread friction

HELICOIL® reduces thread fiction and its scatter range. This means that for a torque-controlled screw tightening application, the screw preload force can be adjusted more precisely, i.e. the yield point of the screw is utilized more efficiently.

Potential for lightweight construction

Perfect for lightweight construction, HELICOIL® combines minimum spatial requirements with high load capacity. You can use high-strength screws optimally in low shear strength materials. Fewer connection points and reduced screw dimensions result in less material, reduced install space and lower weight.

Durability

No self-loosening. The polygonal twist of the HELICOIL® Screwlock results in a high friction locking capacity and thus a captive screw lock. Additional locking of the joint using split pins, wires or washers is not necessary.

Wear resistance

HELICOIL® thread inserts are abrasion-resistant. The high surface quality of the rolled internal thread made of austenitic chrome-nickel steel ensures a high-strength thread. Moreover, this thread has a constant, extremely low thread friction torque.

Method and principle

High-strength thread

Thread reinforcement and thread repair are terms that are inseparably connected with our HELICOIL® brand.

Use HELICOIL® wherever low shear strength materials – such as aluminium or aluminium-magnesium alloys – are used. In these applications HELICOIL® thread inserts generate heat-resistant, wear-resistant and high-strength thread of the highest precision. No internal thread wear, even with frequent use.

Load and tension distribution in the fastening – with and without HELICOIL®

Find the right solution for your application

HELICOIL® product types

HELICOIL® Smart Free Running

This thread insert merges the advantages of the HELICOIL® Plus and the HELICOIL® Tangfree. There is a tang, but it does not have to be broken off and removed. The installation time is therefore reduced by approx. 20 %. Every thread of the thread insert with precision-formed, rhombic profile is free running. The result is a true-to-gauge internal thread including the last thread which is in every case threadable.