Tap, Thread Limits

■ for Metric Threads

unit: mm

Major Minor Major Minor

Pitch Diameter Pitch Diameter

Diameter Diameter Diameter Diameter

Size Class Upper Lower Size Class Upper Lower

Tolerance Tolerance Tolerance Tolerance

Basic Size Basic Size Basic Size Basic Size Basic Size Basic Size

(μm)(μm)(μm)(μm)
P12510P12510
M 1×0.25G41.0000.83851380.729b205

M 2.3 ×0.4 2.300 2.040 1.867

ISO22817G45138
M 1×0.2P11.0000.87025100.783ISO23621
P12510M 2.3 ×0.25P12.3002.13825102.029
M 1.1 ×0.251.1000.9380.829
ISO22817P24025
M 1.1 ×0.2P11.1000.97025100.883b205
P12510M 2.5 ×0.45G52.5002.20864512.013
M 1.2 ×0.251.2001.0380.929
ISO22817ISO23823
M 1.2 ×0.2P11.2001.07025100.983D33924
P12510M 2.5 ×0.35P12.5002.27325102.121
M 1.4 ×0.3G41.4001.20551381.075P12510
ISO23018b205
M 2.6 ×0.452.6002.3082.113
M 1.4 ×0.2P11.4001.27025101.183G56451
P24025ISO23823
G45138M 2.6 ×0.35P12.6002.37325102.221
M 1.6 ×0.351.6001.3731.221
ISO23420P24025
D33924b205
M 1.6 ×0.2P11.6001.47025101.383M 3×0.5 G53.0002.67564512.459
P12510ISO24024
M 1.7 ×0.35G41.7001.47351381.321D33924
ISO23420M 3×0.6 P13.0002.61025102.350
M 1.7 ×0.2P11.7001.57025101.483P24025
P24025M 3×0.35 G53.0002.77364512.621
G45138ISO23621
M 1.8 ×0.351.8001.5731.421
ISO23420P24025
D33924b205
M 1.8 ×0.2P11.8001.67025101.583M 3.5 ×0.6G53.5003.11064512.850
P12510ISO24527
b205D45232
M 2×0.4G42.0001.74051381.567P24025
ISO23621M 3.5 ×0.35G53.5003.27364513.121
D33924ISO23621
M 2×0.25P12.0001.83825101.729P24020
P24025b255
G56451M 4×0.7 G64.0003.54576643.242
M 2.2 ×0.452.2001.9081.713
ISO23823ISO24829
D33924D45232
M 2.2 ×0.25P12.2002.03825101.929M 4×0.75 P24.0003.51340203.188
P24025
M 4×0.5 G64.0003.67576643.459