6/6/2020 Metric Coarse (Standard)

Thread Geometry - Metric Coarse

According to ISO965 All Dimensions in mm unless otherwise stated

Tolerances: Male Thread 6g Female Thread: 6h

d1 - Minor thread diameter male

d2 - Minor Thread diameter female

d3 - Pitch diameter

d4 - Major diameter

p - Pitch

Major Pitch Minor Diameter Minor Diameter

Thread Pitch
Diameter Diameter Male Thread 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

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6/6/2020 Metric Coarse (Standard)

Major Pitch Minor Diameter Minor Diameter

Thread Pitch
Diameter Diameter Male Thread Female Thread

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

Major Pitch Minor Diameter Minor Diameter

Thread Pitch
Diameter Diameter Male Thread 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

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6/6/2020 Metric Coarse (Standard)

Major Pitch Minor Diameter Minor Diameter

Thread Pitch
Diameter Diameter Male Thread 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

Major Pitch Minor Diameter Minor Diameter

Thread Pitch
Diameter Diameter Male Thread 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

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6/6/2020 Metric Coarse (Standard)

Major Pitch Minor Diameter Minor Diameter

Thread Pitch
Diameter Diameter Male Thread Female Thread

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.

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