
9. Comparison of pitch diameter tolerance
Intro
For Cutting Tap Metric Fine Thread (MF)
SP Basic Pitch (+) μm
Dia.
0 20 40 60 80 100 120 140 160 180 200 220 240 260 280 300 320 340 360 380 400 420
MF1 × 0.2
MF1.1 × 0.2 P1 4H 40
MF1.2 × 0.2
SL MF1.4 × 0.2
ISO1 ISO2
MF1.6 × 0.2 P1 4H 42
MF1.7 × 0.2
MF1.8 × 0.2 ISO1 ISO2
PO MF2 × 0.25 P1 P2 4H 48
ISO1 (4H-5H) ISO2X (6HX)
MF2.2 × 0.25 ISO2 (6H) ISO3 (6G)
MF2.3 × 0.25 ISO1 ISO2 5H 60
Internal threads 4H Internal threads 6H
P1 P2 4H 53
MF2.5 × 0.35 Internal threads 5H Internal threads 6G
ST MF2.6 × 0.35 ISO1 ISO2 5H 67
6H 85
P1 P2 4H 56
MF3 × 0.35
ISO1 ISO2 5H 71
ROLL MF3.5 × 0.35
6H 90
P1 P2 P3 4H 63
MF4 × 0.5
MF4.5 × 0.5 ISO1 ISO2 ISO3 5H 80
CARBIDE MF5 × 0.5
MF5.5 × 0.5
6H 100
20 6G 120
MF6 × 0.5 P1 P2 P3 4H 71
MF7 × 0.5
LONG MF8 × 0.5
ISO1 ISO2 ISO3 5H 90
MF9 × 0.5 6H 112
MF10 × 0.5 20 6G 132
HAND, MF6 × 0.75
MF7 × 0.75
4H 85
TAPS MF8 × 0.75
MF9 × 0.75
P2 P3 P4 5H 106
ISO1 ISO2 ISO3 6H 132
MF10 × 0.75
MF11 × 0.75 22 6G 154
EG (STI) MF8 × 1
4H 95
MF9 × 1 P2 P3 P4 5H 118
MF10 × 1 ISO1 ISO2 ISO3 6H 150
MF11 × 1
26 ISO2X 6G 176
SPECIAL
THREADS, 4H 100
GAUGES P2 P3 P4 5H 125
MF10 × 1.25
MF11 × 1.25 ISO1 ISO2 ISO3 6H 160
28 ISO2X 6G 188
THREAD
MILLS 4H 90
P2 P3 P4 5H 112
MF12 × 0.75
ISO1 ISO2 ISO3 6H 140
22 6G 162
DIES
MF12 × 1 4H 100
MF14 × 1
MF16 × 1 P2 P3 P4 5H 125
MF18 × 1
CENTER MF20 × 1
ISO1 ISO2 ISO3 6H 160
MF22 × 1 26 ISO2X 6G 186
DRILLS
Technical
info
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