■ for Unified Threads

Unit:mm 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
M 44×4P644.000 41.40212080 39.670P12510
M 44×3P544.000 42.05110060 40.752G56451

No. 0 - 80 UNF 1.524 1.318 1.181

M 44×2P444.000 42.7018040 41.8352B2611
M 44×1.5P444.000 43.0268060 42.376GH112.70
P510060P12510
M 45×4.545.000 42.07740.129
ISO212575No. 1 - 64 UNC2B1.8541.59828121.425
M 45×4P645.000 42.40212080 40.670GH112.70
P510060P12510
M 45×345.000 43.05141.752
ISO210664G56451
No. 1 - 72 UNF1.8541.6261.473
P480402B2812
M 45×245.000 43.70142.835
ISO29054GH112.70
P48060P12510
M 45×1.545.000 44.02643.376
ISO28048G45138
No. 2 - 56 UNC2.1841.8901.694
M 45×1P345.000 44.3506040 43.9172B3013
P510060GH112.70
M 48×548.000 44.75242.587
ISO213380P12510
M 48×4P648.000 45.40212080 43.670No. 2 - 64 UNF2B2.1841.92829121.755
P612080GH112.70
M 48×348.000 46.05144.752
ISO211267P12510
P48040G45138
M 48×248.000 46.70145.835 No. 3 - 48 UNC2.5152.1721.941
ISO295572B3214
P48060GH112.70
M 48×1.548.000 47.02646.376P12510
ISO28551
No. 3 - 56 UNF2B2.5152.22031132.024
GH112.70
P24025
G56451
No. 4 - 40 UNC2.8452.4332.156
2B3416
GH112.70
P12510
G56451
No. 4 - 48 UNF2.8452.5022.271
2B3214
GH112.70
No. 4 - 36 UNSGH12.8452.38712.702.081
P24025
No. 5 - 40 UNC2B3.1752.76435162.487
GH112.70
P12510
No. 5 - 44 UNF2B3.1752.7993415Technical Inf 2.550
GH112.70