Enter (in mm) the nominal dimension L2: 

Enter the nominal counterbore diameter (in mm) of the hole shown in red:

Enter the nominal counterbore depth (in mm) of the hole shown in red:

Enter the nominal diameter (in mm) of the hole shown in red: 

Enter the nominal distance D1 (in mm):

Enter (in mm) the depth of the thread shown in red:

Enter (in mm) the ISO Metric size of the fastener shown in red:

Enter (in mm) the ISO Metric pitch of the fastener shown in red:

Enter the nominal thickness (in mm) of the Base Plate, T1: