Bollhoff Fastenings Private Limited – offering Bollhoff Helicoil Thread Inserts in Gurgaon, Haryana. Read about company and get contact details and address. Wholesaler of Bollhoff & Recoil Helicoil – Free Running Inserts, Inserting Tool, Extraction Tool and Helicoil Tap offered by Reliable Engineering Stores. The original classic HELICOIL® wire thread insert is a fully formed insert that is significantly larger in diameter in its free state than the hole that it is intended for.

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The screw lock is achieved by one or more polygonal threads clamping the flanks of the installed screw. For over 60 years. Accuracy of the finished thread, when the insert is installed, is dependent upon the accuracy of the tapped hole. The innovative thread insert without a tang.

Our wire thread inserts are available in five different lengths which are multiple of the diameters of particular insert. Corrosion and temperature-resistant True quality appears under extreme conditions. If you use impact wrenches, please contact us. Therefore, tang break helicpil removal are not required.

The state of the art manufacturing facilities bollhocf that each of the 2 million inserts produced every month meet stringent qualty helioil, Bouyant with positive customer feedback plans are in place to leverage the monthly production capacity to 3.

Installed bollhiff and securely — and no tang to break. Learn more about the product types and find the right variant for your particular application. Existing tools from the previous model can still be used. The spring-mounted installation blade grips into the notch of the coil thread insert and securely installs it in the prepared pilot thread. The nut thread is wear-resistant even in cases of frequent use. We will be happy to help you.


The innovative coil of the insert allows installation from both ends with identical quality. Working gages provide a guaranteed minimum wear allowance on the pitch diameter of the GO members of two ten thousandths of an inch.

Bollhoff Helicoil Thread Inserts, Bollhoff Fastenings Private Limited | ID:

Open the catalog to page 6. Hollhoff are available in Free Running and Screwlock heoicoil. The Thead Insert provides positive means for protecting and strengthning all tapped threads. The hdlicoil resilient frictional locking results in prevailing torques. This thread insert offers an additional screw-locking section as well.

This thread insert is predominantly used in the aviation industry. Every thread of the thread insert with precision-formed, rhombic profile is free running. The high surface quality of the rolled thread made of austenitic chrome-nickel steel ensures a high-strength, wear-resistant thread with a constant, extremely low thread friction torque. Threads are reinforced whenever low-strength materials e. This thread insert also has an additional screw-locking section. Uniform along the entire length of the screw.

In combination with the high spring force of the material, this difference in dimension results in radial expansion and therefore in the tight and clearance-free fit in the nut thread. Would you like to discover more of the World of Joining? True quality appears under extreme conditions.

After the insert is installed, the GO thread plug gage may not enter freely; however, the insert will always seat itself when the bolt or screw is installed and tightened. Get a Best Deal. Torsion stress is considerably reduced.

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Extraction Tool Get Price. He,icoil to tapped threads, the surface The innovative coil of the insert allows installation from both ends with identical quality.

Free Running Inserts Get Price. The result is an internal thread that is true to gauge and accepts the insertion of a screw at both ends. You do not need a tang to install these thread inserts. Screw locking No self-loosening.

HI nib may enter provided a definite drag results on or before 3rd turn from entry — Ref. The prevailing torques can also be individually adjusted as required for the helkcoil application, e.

Helicoil Plus Thread Inserts

In the case of high-alloyed screws, common lubricants should be used in accordance with manufacturer recommendations. Accuracy of the finished thread when the insert is installed is dependent upon the accuracy of the tapped hole.

Open the catalog to page 4. Open the catalog to page 5. Open the catalog to page The prevailing torques can heliccoil be individually adjusted as required for the relevant application, e. Open the catalog to page 9.

Tools to remove HeliCoil Inserts are available for ranges M1. Here you will find information about successful applications and related topics. Inserting Tool Get Price. Recoil Inserts meet current military and aviation standards. Even today, the screw is bollhovf most widely used fastening element for detachable joints.