The types:
1. Helicoil hand taps: Roughing, Finishing(plug) and bottomingstyles
2. Helicoil spiral pointed machine taps
3. Helicoil spiral fluted machine taps
4. Heli-coil roll thread taps-cold rolling thread forming machine taps
The applications:
1.Straight fluted HeliCoil taps are used for difficult tapping operations where it needs to reduce the load on the HeliCoil Finishing.
2.Spiral Flute Bottoming screw thread insert taps (2Thread Chamfer):Pulls chips out of deep or blind holes in soft materials.
3.Spiral Pointed Plug screw thread insert taps (4Thread Chamfer):
Free-cutting for use in long through holes and in blind holes with chip clearance.we can supply any specification you need