Thread Geometry - Metric Coarse

According to ISO965     All Dimensions in mm unless otherwise stated

Tolerances: Male Thread 6g    Female Thread: 6h
 

Coarse Metric Thread Geometry

d1 - Minor thread diameter male

d2 - Minor Thread diameter female

d3 - Pitch diameter

d4 - Major diameter

p - Pitch

 

Thread Major
Diameter
Pitch Pitch
Diameter
Minor Diameter
Male Thread
Minor Diameter
Female Thread
M1 1.0 0.25 0.838 0.693 0.729
M1.1 1.1 0.25 0.938 0.793 0.829
M1.2 1.2 0.25 1.038 0.893 0.929
M1.4 1.4 0.30 1.205 1.032 1.075
M1.6 1.6 0.35 1.373 1.171 1.221
M1.8 1.8 0.35 1.573 1.371 1.421
M2 2.0 0.40 1.740 1.509 1.567
M2.2 2.2 0.45 1.908 1.648 1.713
M2.5 2.5 0.45 2.208 1.948 2.013
M3 3.0 0.50 2.675 2.387 2.459

 

Thread Major
Diameter
Pitch Pitch
Diameter
Minor Diameter
Male Thread
Minor Diameter
Female Thread
M3.5 3.5 0.60 3.110 2.764 2.850
M4 4.0 0.70 3.545 3.141 3.242
M4.5 4.5 0.75 4.013 3.580 3.688
M5 5.0 0.80 4.480 4.019 4.134
M6 6.0 1.00 5.350 4.773 4.917
M7 7.0 1.00 6.350 5.773 5.917
M8 8.0 1.25 7.188 6.466 6.647
M9 9.0 1.25 8.188 7.466 7.647
M10 10.0 1.50 9.026 8.160 8.376
M11 11.0 1.50 10.026 9.160 9.376

 

Thread Major
Diameter
Pitch Pitch
Diameter
Minor Diameter
Male Thread
Minor Diameter
Female Thread
M12 12.0 1.75 10.863 9.853 10.106
M14 14.0 2.00 12.701 11.546 11.835
M16 16.0 2.00 14.701 13.546 13.835
M18 18.0 2.50 16.376 14.933 15.394
M20 20.0 2.50 18.376 16.933 17.294
M22 22.0 2.50 20.376 18.933 19.294
M24 24.0 3.00 22.051 20.319 20.752
M27 27.0 3.00 25.051 23.319 23.752
M30 30.0 3.50 27.727 25.706 26.211
M33 33.0 3.50 30.727 28.706 29.211

 

Thread Major
Diameter
Pitch Pitch
Diameter
Minor Diameter
Male Thread
Minor Diameter
Female Thread
M36 36.0 4.00 33.402 31.093 31.670
M39 39.0 4.00 36.402 34.093 34.670
M42 42.0 4.50 39.077 36.479 37.129
M45 45.0 4.50 42.077 39.479 40.129
M48 48.0 5.00 44.752 41.866 42.857

 



Note: Due to the fact that fastening applications differ greatly, the above information is for guidance only and is correct to the best of our knowledge. The customer must satisfy themselves with the performance of the fastener and validity of the data. TR Fastenings will not be held responsible for any failure that may occur from the use of this information.