Page 390 - THREADING CATALOG
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USER GUIDE
TAPS Tap Tolerances
Tolerance classes of taps and tolerance positions for screw threads as per ISO metric standard.
tap tolerance nut threads according to H tolerance
nut thread positioning of H tolerance tolerance classes for taps nut thread positioning of G tolerance
8H
7G
7H
6G
6H
5G
5H 4G
7G
4H
6G
6H
=0 4H
Au
Au
D2 D2
basic pitch diameter
Au = basic deviation of pitch
ISCAR
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