METRIC THREAD FINE PITCH M

  From M 30 to M 64

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
                   
30x1.0 30.00 1.00 0.144 29.350 28.773 28.917 0.613 0.541 29.00
30x1.5 30.00 1.50 0.217 29.026 28.160 28.376 0.920 0.812 28.50
30x2.0 30.00 2.00 0.289 28.701 27.546 27.835 1.227 1.083 28.00
30x3.0 30.00 3.00 0.433 28.051 26.319 26.752 1.840 1.624 27.00
32x1.5 32.00 1.50 0.217 31.026 30.160 30.376 0.920 0.812 30.50
32x2.0 32.00 2.00 0.289 30.701 29.546 29.835 1.227 1.083 30.00
33x1.5 33.00 1.50 0.217 32.026 31.160 31.376 0.920 0.812 31.50
33x2.0 33.00 2.00 0.289 31.701 30.546 30.835 1.227 1.083 31.00
33x3.0 33.00 3.00 0.433 31.051 29.319 29.752 1.840 1.624 30.00
35x1.5 35.00 1.50 0.217 34.026 33.160 33.376 0.920 0.812 33.50
35x2.0 35.00 2.00 0.289 33.701 32.546 32.835 1.227 1.083 33.00
36x1.5 36.00 1.50 0.217 35.026 34.160 34.376 0.920 0.812 34.50
36x2.0 36.00 2.00 0.289 34.701 33.546 33.835 1.227 1.083 34.00
36x3.0 36.00 3.00 0.433 34.051 32.319 32.752 1.840 1.624 33.00
39x1.5 39.00 1.50 0.217 38.026 37.160 37.376 0.920 0.812 37.50
39x2.0 39.00 2.00 0.289 37.701 36.546 36.835 1.227 1.083 37.00
39x3.0 39.00 3.00 0.433 37.051 35.319 35.752 1.840 1.624 36.00
40x1.5 40.00 1.50 0.217 39.026 38.160 38.376 0.920 0.812 38.50
40x2.0 40.00 2.00 0.289 38.701 37.546 37.835 1.227 1.083 38.00
40x3.0 40.00 3.00 0.433 38.051 36.619 36.752 1.840 1.624 37.00
42x1.5 42.00 1.50 0.217 41.026 40.160 40.376 0.920 0.812 40.50
42x2.0 42.00 2.00 0.289 40.701 39.546 39.835 1.227 1.083 40.00
42x3.0 42.00 3.00 0.433 40.051 38.319 38.752 1.840 1.624 39.00
42x4.0 42.00 4.00 0.577 39.402 37.093 37.670 2.454 2.165 38.00
45x1.5 45.00 1.50 0.217 44.026 43.160 43.376 0.920 0.812 43.50
45x2.0 45.00 2.00 0.289 43.701 42.546 42.835 1.227 1.083 43.00
45x3.0 45.00 3.00 0.433 43.051 41.319 41.752 1.840 1.624 42.00
45x4.0 45.00 4.00 0.577 42.402 40.093 40.670 2.454 2.165 41.00
48x1.5 48.00 1.50 0.217 47.026 46.160 46.376 0.920 0.812 46.50
48x2.0 48.00 2.00 0.289 46.701 45.546 45.835 1.227 1.083 46.00
48x3.0 48.00 3.00 0.433 46.051 44.319 44.752 1.840 1.624 45.00
48x4.0 48.00 4.00 0.577 45.402 43.093 43.670 2.454 2.165 44.00
50x1.5 50.00 1.50 0.217 49.026 48.160 48.376 0.920 0.812 48.50
50x2.0 50.00 2.00 0.289 48.701 47.546 47.835 1.227 1.083 48.00
50x3.0 50.00 3.00 0.433 48.051 46.319 46.752 1.840 1.624 47.00
52x1.5 52.00 1.50 0.217 51.026 50.160 50.376 0.920 0.812 50.50
52x2.0 52.00 2.00 0.289 50.701 49.546 49.835 1.227 1.083 50.00
52x3.0 52.00 3.00 0.433 50.051 48.319 48.752 1.840 1.624 49.00
52x4.0 52.00 4.00 0.577 49.402 47.093 47.670 2.454 2.165 48.00
55x1.5 55.00 1.50 0.217 54.026 53.160 53.376 0.920 0.812 53.50
55x2.0 55.00 2.00 0.289 53.701 52.546 52.835 1.227 1.083 53.00
55x3.0 55.00 3.00 0.433 53.051 51.319 51.752 1.840 1.624 52.00
55x4.0 55.00 4.00 0.577 52.402 50.093 50.670 2.454 2.165 51.00
56x1.5 56.00 1.50 0.217 55.026 54.160 54.376 0.920 0.812 54.50
56x2.0 56.00 2.00 0.289 54.701 43.546 53.835 1.227 1.083 54.00
56x3.0 56.00 3.00 0.433 54.051 52.319 52.752 1.840 1.624 53.00
56x4.0 56.00 4.00 0.577 53.402 51.903 51.670 2.454 2.165 52.00
58x1.5 58.00 1.50 0.217 57.026 56.160 56.376 0.920 0.812 56.50
58x2.0 58.00 2.00 0.289 56.701 55.546 55.835 1.227 1.083 56.00
58x3.0 58.00 3.00 0.433 56.051 54.319 54.752 1.840 1.624 55.00
58x4.0 58.00 4.00 0.577 55.402 53.093 53.670 2.454 2.165 54.00
60x1.5 60.00 1.50 0.217 59.026 58.160 58.376 0.920 0.812 58.50
60x2.0 60.00 2.00 0.289 58.701 57.546 57.835 1.227 1.083 58.00
60x3.0 60.00 3.00 0.433 58.051 56.319 56.752 1.840 1.624 57.00
60x4.0 60.00 4.00 0.577 57.402 55.093 55.670 2.454 2.165 56.00
62x1.5 62.00 1.50 0.217 61.026 60.160 60.376 0.920 0.812 60.50
62x2.0 62.00 2.00 0.289 60.701 59.546 59.835 1.227 1.083 60.00
62x3.0 62.00 3.00 0.433 60.051 58.319 58.752 1.840 1.624 59.00
62x4.0 62.00 4.00 0.577 59.402 57.093 57.670 2.454 2.165 58.00
64x1.5 64.00 1.50 0.217 63.026 62.160 62.376 0.920 0.812 62.50
64x2.0 64.00 2.00 0.289 62.701 61.546 61.835 1.227 1.083 62.00
64x3.0 64.00 3.00 0.433 62.051 60.319 60.752 1.840 1.624 61.00
64x4.0 64.00 4.00 0.577 61.402 59.093 59.670 2.454 2.165 60.00