Q. What are the standard dimensions of countersink bolts?

Answer

With the exception of the countersink angle, all dimensions are given in millimeters. Here are the dimensions:Size(d)M12M16M20M22M24M27M30M36Pitch1.7522.52.5333.5   4  B(I<=125)  303846505460 66  78  B(125<I<=200)     -44525660 66  72  84  B(I>200)    -  -656973798597ds11.30-1 2.7015.30-1 6.7019.16-2 0.8421.16-2 2.8423.16-2 7.8426.16-2 7.8429.16-3 0.8435.00-3 7.00dk23.16-2 4.0031.16-3 2.0039-4043-4447-4853-5458.8-60   070.8-72.0K (nom)8.0010.0013.0014.016.017.519.5023.00k7.25-8.7 59.25-10.7512.1-13.913.1-14.915.1-16.916.6-18.418.45-2 0.5521.95-2 4.05t3.0-4.53.0-4.53.5-5.03.5-5.03.5-5.03.5-5.04.0-5.54.0-5.5