N-CT LA STI (Metric Threads) | Carbide Hand Taps for Light Alloys (for Helical Coil Wire Screw Thread Inserts) | YAMAWA

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N-CT LA STI (Metric Threads)

The carbide tap is used to cut a comparatively soft material, such as aluminum, and create an internal thread for accommodating a helical coil wire screw thread insert, in order to reinforce the internal thread and increase durability.
Diameter of the internal screw threads into which the insert coil is inserted, is larger than that of the corresponding external screw threads by the thickness of the coil. Therefore, the internal screw thread diameter of the insert coil thread tap is also larger than its nominal diameter
The bored hole size needs to be also larger. Make sure to prepare an appropriate bored hole size before tapping.
The shank diameter is also larger. Make sure to use an appropriate tap holder.

Specification

Tapping Speeds depending on Materials

Segment：1L

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