Schnell und sicher eingebaut. Das Ergebnis ist ein lehrenhaltiges Innengewinde bis zum letzten Gewindegang, dieser ist in jedem Fall schraubbar. Die Besonderheit liegt in der Steuerung der Klingenposition. Beim Eindrehen hat sie eine Mitnahmefunktion und beim Herausdrehen wird sie zum Biege- und Stauchwerkzeug. Einfach wie eine Schraube ansetzen und eindrehen.

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As to the Free Running version, thread by thread it is a completely free running coarse thread. To screw in the thread insert, all you need is the Smart installation mandrel of similar size as a tap. Very special is the blade position control. Simply place it and screw it in like a screw using an installation mandrel with similar dimensions to those of a tap. Existing tools from the previous model can still be used. The innovative coil of the insert allows installation from both ends with identical quality.

The spring-mounted installation blade grips into the notch of the coil thread insert and securely installs it in the prepared pilot thread. In addition, the optimised geometry minimises wear on the tools. The tool concept is impressive, boasting long service life for the blades and simple maintenance.

Product variants Every project deserves a tailor-made solution. Learn more about the product types and find the right variant for your particular application. There is a tang, but it does not have to be broken off and removed.

The installation time is therefore reduced by approx. 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. The result is an internal thread that is true to gauge and accepts the insertion of a screw at both ends. One or more polygonal threads clamp the flanks of the installed screw. The elastically resilient frictional locking results in prevailing torques.

These screw locking torques meet the requirements of technical delivery terms for international standards. The prevailing torques can also be individually adjusted as required for the relevant application, e.

In the case of high-alloyed screws, common lubricants should be used in accordance with manufacturer recommendations. You do not need a tang to install these thread inserts. Therefore, tang break and removal are not required.


Boll Hoff 10-32 Unf Helicoil Tap



Gruppo Böllhoff


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