METRIC THREAD FINE PITCH M

  From M 65 to M 100

Pitch     P Thread Per Inch  TPI = 1/P
Major diameter screw
D    MM     ISO		 Basic thread diameter screw
D   "     UST
Major diameter nut
d    MM     ISO		 Basic thread diameter nut
d  "     UST
Pitch diameter
D2=d2=D-0.64952*P		 Pitch diameter
D2= d2=D-0.64952/TPI 
Minor diameter screw
D1= D-1.227*P		 Minor diameter screw
D1= d1=D-1.227/TPI
Minor diameter nut
d1= D-1.0826*P		 Minor diameter nut
d1=D-1.0826/TPI
Nut thread height
H 1= 0.5413*P		 Nut thread height
H 1= 0.5413/TPI
Screw thread height
H = 0.6135*P		 Screw thread height
H = 0.6135/TPI
 
Metric Thread Fine Pitch
Nominal
Size
ISO MF		 Major
Diameter
mm
d=D		 Pitch
mm
p		 Root
Radius
mm
r		 Pitch
Diameter
mm
d2=D2		 Minor
Diameter
Screw Thd.
D1		 Minor
Diameter
Nut Thd.
d1		 Thread
Height
Screw Thd.
H		 Thread
Height
Nut Thd.
H1		 Tap
Drill
Diameter
mm
                   
65x1.5 65.00 1.50 0.217 64.026 63.160 63.376 0.920 0.812 63.50
65x2.0 65.00 2.00 0.289 63.789 62.546 62.835 1.227 1.083 63.00
65x3.0 65.00 3.00 0.433 63.051 61.319 61.752 1.840 1.624 62.00
65x4.0 65.00 4.00 0.577 62.402 60.093 60.670 2.454 2.165 61.00
68x1.5 68.00 1.50 0.217 67.026 66.160 66.376 0.920 0.812 66.50
68x2.0 68.00 2.00 0.289 66.701 65.546 65.835 1.227 1.083 66.00
68x3.0 68.00 3.00 0.433 66.051 64.319 64.752 1.840 1.624 65.00
68x4.0 68.00 4.00 0.577 65.402 63.093 63.670 2.454 2.165 64.00
70x1.5 70.00 1.50 0.217 69.026 68.160 68.376 0.920 0.812 68.50
70x2.0 70.00 2.00 0.289 68.201 67.546 67.835 1.227 1.083 68.00
70x3.0 70.00 3.00 0.433 68.051 66.319 66.752 1.840 1.624 67.00
70x4.0 70.00 4.00 0.577 67.402 65.093 65.670 2.454 2.165 66.00
70x6.0 70.00 6.00 0.866 66.103 62.639 63.505 3.681 3.248 64.00
72x1.5 72.00 1.50 0.217 71.026 70.160 70.376 0.920 0.812 70.50
72x2.0 72.00 2.00 0.289 70.701 69.546 69.835 1.227 1.083 70.00
72x3.0 72.00 3.00 0.433 70.051 68.319 68.752 1.840 1.624 69.00
72x4.0 72.00 4.00 0.577 69.402 67.093 67.670 2.454 2.165 68.00
72x6.0 72.00 6.00 0.866 68.103 64.639 65.505 3.681 3.248 66.00
75x1.5 75.00 1.50 0.217 74.026 73.160 73.376 0.920 0.812 73.50
75x2.0 75.00 2.00 0.289 73.701 72.546 72.835 1.227 1.083 73.00
75x3.0 75.00 3.00 0.433 73.051 71.319 71.752 1.840 1.624 72.00
75x4.0 75.00 4.00 0.577 72.402 70.093 70.670 2.454 2.165 71.00
75x6.0 75.00 6.00 0.866 71.103 67.639 68.505 3.681 3.248 69.00
76x1.5 76.00 1.50 0.217 75.026 74.160 74.376 0.920 0.812 74.50
76x2.0 76.00 2.00 0.289 74.701 73.546 73.835 1.227 1.083 74.00
76x3.0 76.00 3.00 0.433 74.051 72.319 72.752 1.840 1.624 73.00
76x4.0 76.00 4.00 0.577 73.402 71.093 71.670 2.454 2.165 72.00
76x6.0 76.00 6.00 0.866 72.103 68.639 69.505 3.681 3.248 70.00
80x1.5 80.00 1.50 0.217 79.026 78.160 78.376 0.920 0.812 78.50
80x2.0 80.00 2.00 0.289 78.701 77.546 77.835 1.227 1.083 78.00
80x3.0 80.00 3.00 0.433 78.051 76.319 76.752 1.840 1.624 77.00
80x4.0 80.00 4.00 0.577 77.402 75.093 75.670 2.454 2.165 76.00
80x6.0 80.00 6.00 0.866 76.103 72.639 73.505 3.681 3.248 74.00
85x2.0 85.00 2.00 0.289 83.701 82.546 82.535 1.227 1.083 83.00
85x3.0 85.00 3.00 0.433 83.051 81.319 81.752 1.840 1.624 82.00
85x4.0 85.00 4.00 0.577 82.402 80.093 80.670 2.454 2.165 81.00
85x6.0 85.00 6.00 0.866 81.103 77.639 78.505 3.681 3.248 79.00
90x2.0 90.00 2.00 0.289 88.701 87.546 87.835 1.227 1.083 88.00
90x3.0 90.00 3.00 0.433 88.051 86.319 86.752 1.840 1.624 87.00
90x4.0 90.00 4.00 0.577 87.402 85.093 85.670 2.454 2.165 86.00
90x6.0 90.00 6.00 0.866 86.103 82.639 83.505 3.681 0.328 84.00
95x2.0 95.00 2.00 0.289 93.701 92.546 92.835 1.227 1.083 93.00
95x3.0 95.00 3.00 0.433 93.051 91.319 91.752 1.840 1.624 92.00
95x4.0 95.00 4.00 0.577 92.402 90.093 90.670 2.454 2.165 91.00
95x6.0 95.00 6.00 0.866 91.103 87.639 88.505 3.681 3.248 89.00
100x2.0 100.00 2.00 0.289 98.701 97.546 97.835 1.227 1.083 98.00
100x3.0 100.00 3.00 0.433 98.051 96.319 96.752 1.840 1.624 97.00
100x4.0 100.00 4.00 0.577 97.402 95.093 95.670 2.454 2.165 96.00
100x6.0 100.00 6.00 0.866 96.103 92.639 93.505 3.681 3.248 94.00