The document contains a chart listing specifications for metric thread sizes ranging from 1mm to 28mm including the nominal size, pitch, major diameter, root radius, pitch diameter, minor diameters for male and female threads, thread heights for male and female threads, and tap drill diameters. It provides dimensions and other details for over 100 metric thread sizes. The chart is from Maryland Metrics, a supplier of metric and other industrial components, and includes their contact information.

1. MARYLAND METRICS
THREAD DATA CHARTS
METRIC THREAD -- FINE PITCH -- M (1 mm - 28 mm)
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Metric Thread -- Extended Thread Size Range (online only)
MARYLAND METRICS -- THREAD DATA CHART: Metric Thread -- Fine Pitch
Nominal
Size
ISO MF
Thread
Form
Type
Major
Diameter
mm
d=D
Pitch
mm
p
Root
Radius
mm
r
Pitch
Diameter
mm
d2=D2
Minor
Diameter
Male Thd.
d3
Minor
Diameter
Female Thd.
D1
Thread
Height
Male Thd.
h3
Thread
Height
Female Thd.
H1
Tap
Drill
Diameter
mm
1.0x0.2 M 1.00 0.20 0.029 0.870 0.755 0.783 0.123 0.108 0.80
1.1x0.2 M 1.10 0.20 0.029 0.970 0.855 0.883 0.123 0.108 0.90
1.2x0.2 M 1.20 0.20 0.029 1.070 0.955 0.983 0.123 0.108 1.00
1.4z0.2 M 1.40 0.20 0.029 1.270 1.155 1.183 0.123 0.108 1.20
1.6x0.2 M 1.60 0.20 0.029 1.470 1.355 1.383 0.123 0.108 1.40
1.8x0.2 M 1.80 0.20 0.029 1.670 1.555 1.583 0.123 0.108 1.60
2x0.25 M 2.00 0.25 0.036 1.838 1.693 1.729 0.153 0.135 1.75
2.2x0.25 M 2.20 0.25 0.036 2.038 1.893 1.929 0.153 0.135 1.95
2.5x0.35 M 2.50 0.35 0.051 2.273 2.071 2.121 0.215 0.189 2.10
3x0.35 M 3.00 0.35 0.051 2.773 2.571 2.621 0.215 0.189 2.60
3.5x0.35 M 3.50 0.35 0.051 3.273 3.071 3.121 0.215 0.189 3.10
4x0.5 M 4.00 0.50 0.072 3.675 3.387 3.459 0.307 0.271 3.50
4.5x0.5 M 4.50 0.50 0.072 4.175 3.887 3.959 0.307 0.271 4.00
5x0.5 M 5.00 0.50 0.072 4.675 4.387 4.459 0.307 0.271 4.50
5.5x0.5 M 5.50 0.50 0.072 5.175 4.887 4.959 0.307 0.271 5.00
6x0.75 M 6.00 0.75 0.108 5.513 5.080 5.188 0.460 0.406 5.20
7x0.75 M 7.00 0.75 0.108 6.513 6.080 6.188 0.460 0.406 6.20
8x0.75 M 8.00 0.75 0.108 7.513 7.080 7.188 0.460 0.406 7.20
8x1.0 M 8.00 1.00 0.144 7.350 6.773 6.917 0.613 0.541 7.00
9x0.75 M 9.00 0.75 0.108 8.513 8.080 8.188 0.460 0.406 8.20
9x 1 M 9.00 1.00 0.144 8.350 7.773 7.917 0.613 0.541 8.00
10x0.75 M 10.00 0.75 0.108 9.513 9.080 9.188 0.460 0.406 9.20
10x1 M 10.00 1.00 0.144 9.350 8.773 8.917 0.613 0.541 9.00
10x1.25 M 10.00 1.25 0.180 9.188 8.466 8.647 0.767 0.677 8.80
11x0.75 M 11.00 0.75 0.108 10.513 10.080 10.188 0.460 0.406 10.20
11x1 M 11.00 1.00 0.144 10.350 9.773 9.917 0.613 0.541 10.00
12x1 M 12.00 1.00 0.144 11.350 10.773 10.917 0.613 0.541 11.00
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2. 12x1.25 M 12.00 1.25 0.180 11.188 10.466 10.647 0.767 0.677 10.80
12x1.5 M 12.00 1.50 0.217 11.026 10.160 10.376 0.920 0.812 10.50
14x1.0 M 14.00 1.00 0.144 13.350 12.773 12.917 0.613 0.541 13.00
14x1.25 M 14.00 1.25 0.180 13.188 12.466 12.647 0.767 0.677 12.80
14x1.5 M 14.00 1.50 0.217 13.026 12.160 12.376 0.920 0.812 12.50
15x1 M 15.00 1.00 0.144 14.350 13.773 13.917 0.613 0.541 14.00
15x1.5 M 15.00 1.50 0.217 14.026 13.160 13.376 0.920 0.812 13.50
16x1 M 16.00 1.00 0.144 15.350 14.773 14.917 0.613 0.541 15.00
16x1.5 M 16.00 1.50 0.217 15.026 14.160 14.376 0.920 0.812 14.50
17x1.0 M 17.00 1.00 0.144 16.350 15.773 15.917 0.613 0.541 16.00
17x1.5 M 17.00 1.50 0.217 16.026 15.160 15.376 0.920 0.812 15.50
18x1.0 M 18.00 1.00 0.144 17.350 16.773 16.917 0.613 0.541 17.00
18x1.5 M 18.00 1.50 0.217 17.026 16.160 16.376 0.920 0.812 16.50
18x2.0 M 18.00 2.00 0.289 16.701 15.546 15.835 1.227 1.083 16.00
20x1.0 M 20.00 1.00 0.144 19.350 18.773 18.917 0.613 0.541 19.00
20x1.5 M 20.00 1.50 0.217 19.026 18.160 18.376 0.920 0.812 18.50
20x2.0 M 20.00 2.00 0.289 18.701 17.546 17.835 1.227 1.083 18.00
22x1.0 M 22.00 1.00 0.144 21.350 20.773 20.917 0.613 0.541 21.00
22x1.5 M 22.00 1.50 0.217 21.026 20.160 20.376 0.920 0.812 20.50
22x2.0 M 22.00 2.00 0.289 20.701 19.546 19.835 1.227 1.083 20.00
24x1.0 M 24.00 1.00 0.144 23.350 22.773 22.917 0.613 0.541 23.00
24x1.5 M 24.00 1.50 0.217 23.026 22.160 22.376 0.920 0.812 22.50
24x2.0 M 24.00 2.00 0.289 22.701 21.546 21.835 1.227 1.083 22.00
25x1.0 M 25.00 1.00 0.144 24.350 23.773 23.917 0.613 0.541 24.00
25x1.5 M 25.00 1.50 0.217 24.026 23.160 23.376 0.920 0.812 23.50
25x2.0 M 25.00 2.00 0.289 23.701 22.546 22.835 1.227 1.083 23.00
27x1.0 M 27.00 1.00 0.144 26.350 25.773 25.917 0.613 0.541 26.00
27x1.5 M 27.00 1.50 0.217 26.026 25.160 25.376 0.920 0.812 25.50
27x2.0 M 27.00 2.00 0.289 25.701 24.546 24.835 1.227 1.083 25.00
28x1.0 M 28.00 1.00 0.144 27.350 26.773 26.917 0.613 0.541 27.00
28x1.5 M 28.00 1.50 0.217 27.026 26.160 26.376 0.920 0.812 26.50
28x2.0 M 28.00 2.00 0.289 26.701 25.546 25.835 1.227 1.083 26.00
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