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TECHNICAL INFORMATION |
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| Helix Angle
Code Key Cutting Data Thread Designations Thread Profiles |
FourCut advantages 
Cost-effective Strength Accessibility Optimal Clearance |
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To get good cutting conditions the threading insert has to be inclined into the toolholder at approximately the same angle as the helix angle of the thread.
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The FourCut inserts has extra clearance on the flanks and therefore it is not so important to have correct helix angle. The standard toolholder has 2° helix angle and it is possible to make almost all threads with the same holder.
 On the triangular inserts it is more important to have a similar helix angle on the toolholder as the thread. The standard toolholder has an anvil which gives 1,5° helix angle. If you need bigger or smaller, you just change the anvil. 
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