9. Comparison of pitch diameter tolerance
Intro
For Cutting Tap Metric Fine Thread (MF)
Basic Pitch (+) μm SP
Dia.
0 20 40 60 80 100 120 140 160 180 200 220 240 260 280 300 320 340 360 380 400 420

4H 112
MF12 × 1.25 P2 P3 P4 P5 5H 140 SL
MF14 × 1.25 ISO1 ISO2 ISO3 6H 180
28 ISO2X 6G 208

MF12 × 1.5
MF14 × 1.5 4H 118
MF15 × 1.5 P2 P4 P5 5H 150
PO
MF16 × 1.5
MF18 × 1.5 ISO1 ISO2 ISO3 6H 190
MF20 × 1.5 32 ISO2X 6G 222
MF22 × 1.5
4H 132 ST
MF18 × 2 P2 P4 P5 P6 5H 170
MF20 × 2
MF22 × 2 ISO1 ISO2 ISO3 6H 212
38 ISO2X 6G 250

4H 106
ROLL
MF24 × 1 P2 P3 P4 5H 132
MF25 × 1 ISO1 ISO2 ISO3 6H 170
26 ISO2X 6G 196
CARBIDE
4H 106
MF26 × 1 P2 P4 P5 P6 5H 132
-
MF45 × 1 ISO1 ISO2 ISO3 6H 170
26 ISO2X 6G 196
LONG
4H 125
MF24 × 1.5 P2 P4 P5 P6 5H 160
-
MF45 × 1.5 ISO1 ISO2 ISO3 6H 200 HAND
32 ISO2X 6G 232
TAPS
MF24 × 2 4H 140
MF25 × 2
MF26 × 2 P2 P4 P5 P6 5H 180
MF27 × 2
MF28 × 2
ISO1 ISO2 ISO3 6H 224 EG (STI)
MF30 × 2 38 ISO2X 6G 262

MF32 × 2
MF33 × 2 P4 4H 140
MF36 × 2 P3 P6 5H 180
SPECIAL
MF39 × 2
MF40 × 2 ISO1 ISO2 ISO3 6H 224
THREADS,
MF42 × 2 38 ISO2X 6G 262
GAUGES
MF45 × 2
MF30 × 3
4H 170
MF33 × 3
MF36 × 3 P3 P4 P7 5H 212
THREAD
MF39 × 3
ISO1 ISO2 ISO3 6H 265
MILLS
MF40 × 3
MF42 × 3 48 ISO2X 6G 313
MF45 × 3
P7 4H 190
DIES
MF42 × 4 P3 P6 P8 5H 236
MF45 × 4 ISO1 ISO2 ISO3 6H 300
60 ISO2X 6G 360
CENTER
4H 118
DRILLS
P2 P3 P4 P5 5H 150
MF48 ×1
ISO1 ISO2 ISO3 6H 180
26 ISO2X 6G 206
Technical
info

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