Page 723 - Iscar
P. 723
USER GUIDE
TAPS
Tap Styles for Hole Types
Recommendation of Application
1. Straight fluted tap
with spiral point
2. Left-hand spiral fluted tap
Through hole
3. Straight fluted tap
with long chamfer lead
1. Right-hand spiral fluted tap
2. Straight fluted tap
Blind hole with short chamfer lead
Front and End Configurations According to DIN2197
Front End Shank End
1 External Center 4 External Center
2 Stepped External Center 5 Chamfer
3 Internal Center 6 Internal Center
Thread Dia. Range (mm) Front End Shank End Tap Standard
<Ø6 1 4 5 DIN352
Ø7 1 2 4 5 6 DIN371
>Ø8 1 2 3 5 6 DIN376
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