The STI HexTap V-COIL rapid machine tap enables the precise production of STI internal threads for inserts according to ISO 2 (6H). Thanks to its 1/4'' hex drive, the tap is perfectly suited for hand tools and use with a cordless driver.
You can find more information about HexTap here:
HexTap – The solution for difficult threads
Tip: Detailed information about difficult threads:
HexTap – The solution for difficult threads
What is an STI thread?
An STI thread is an oversized internal thread used for wire thread inserts – ideal for repairing or reinforcing threads.
What does Form D mean?
Form D offers optimised chip evacuation and is suitable for both blind and through holes.
How is the tap driven?
Via the 1/4'' hex drive – ideal for cordless drivers and hand tools.
Which materials is it suitable for?
For free-cutting steels up to 900 N/mm² as well as unalloyed and low-alloy steels.
Which tolerances apply?
The tap meets ISO 1 (4H); the finished STI thread with insert corresponds to ISO 2 (6H).
Do you have questions or need assistance? Use our contact form for a non-binding enquiry.
| Form | Form D |
|---|---|
| Material | HSS-G |
| Tolerance | ISO 1 (4H) |
| Size | UNC 1/4x20 |
| Overall length (L1) | 42 mm |
| Thread length (L2) | 21 mm |
| Diameter (B) | 8 mm |
| Drive connector | Drive mount hexagon 1/4" inch |
| EAN | 4022835034209 |
| Item number | 03420 |
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