Unit:mm

MajorPitch DiameterMinorMajorPitch DiameterMinor
DiameterDiameterDiameterDiameter

Size Class Upper Lower Size Class Upper Lower

BasicBasicTolerance ToleranceBasicBasicBasicTolerance ToleranceBasic
SizeSize( μ m)( μ m)SizeSizeSize( μ m)( μ m)Size
P48060P48060
Ⅱb405Ⅱb455

M 18 ×2.5 18.000 16.376 15.294 M 24 ×3 24.000 22.051 20.752

ISO29054ISO210664
D79150D810463
P48060P48060

M 18 ×2 18.000 16.701 15.835

ISO28551M 24×2ISO224.000 22.701905421.835
P36040D810463
  • 45 15 P3 60 40
M 18×1.5G918.000 17.02611410216.376 M 24×1.524.000 23.026501522.376
ISO27545ISO28048
D67847P36040
M 24×124.000 23.35022.917
P36040ISO26640
M 18×118.000 17.35016.917
ISO26338M 25×3P425.000 23.0518040 21.752
M 18×0.5P218.000 17.6754025 17.459P48060
M 25×225.000 23.70122.835
M 19×1.5P319.000 18.0266040 17.376ISO29054
M 19×1P319.000 18.3506040 17.917P36040
M 25×1.525.000 24.02623.376
P48060ISO28048
Ⅱb405M 25×1P325.000 24.3506040 23.917
M 20×2.5G1120.000 18.37614012717.294 M 26×3P426.000 24.0518040 22.752
ISO29054M 26×2P426.000 24.7018060 23.835
D79150P36040
P48060M 26×1.526.000 25.026501524.376
M 20×220.000 18.70117.835
ISO28551ISO28048
P36040M 26×1P226.000 25.3504020 24.917
  • 50 15 P4 80 40

M 20 ×1.5 G10 20.000 19.026 127 114 18.376 Ⅱb 45 5

M 27 ×3 27.000 25.051 23.752

ISO27545ISO210664
D67847D810452
P36040P510080

M 20 ×1 20.000 19.350 18.917

ISO26338M 27×2ISO227.000 25.701905424.835
P48060D79150
Ⅱb405P36040
M 22×2.522.000 20.37619.294M 27×1.527.000 26.02625.376
ISO29054ISO28048
D79150M 27×1P327.000 26.3506040 25.917
P48060M 28×3P428.000 26.0518040 24.752
M 22×222.000 20.70119.835
ISO28551P48060
M 28×228.000 26.70125.835
P36040ISO29054
M 22×1.5ISO222.000 21.026754520.376P36040
M 28×1.528.000 27.02626.376
D67847ISO28048Technical Inf
P36040M 28×1P328.000 27.3506040 26.917
M 22×122.000 21.35020.917
M 23×1.5P323.000 22.0266040 21.376