WIRE THREAD INSERT SPECIAL TAPS

Pilot Nose Tap - Pilot Nose Taps are developed to repair damaged spark plug threads without needing any additional drilling.
It can also be used through holes.

Cold Forming Tap - Cold Forming Taps which are commonly known as fluteless or roll taps are designed to cold form the wire insert internal threads in ductile materials which are aluminium, zinc, brass, magnesium and etc.
It also provides numerous benefits which are:
1) No swarf is produced, presenting itself as ideal for usage in blind holes as it does not have chip removal issues.
2) It can be used at faster speeds than any other conventional thread cutting tap.
3) It provides no weakness in tapped holes as the grain structure is intact.