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Click Specification

Unit:mm

Hexagon Thin Nuts - Fine Pitch Thread - Product Grades A and B

GB /T 6173 - 1986

Display drawing:

国标GB /T6173 - 1986 GB6173 6173GB Hexagon Thin Nuts - Fine Pitch Thread - Product Grades A and B
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 *Models with different eras.

Thread Size
d
M8 M10 M12 M16 M20 M24 M30 M36 M42 M48 M56
P Pitch Fine thread, 1
Fine thread, 2
da max
min
dw min
e min
m max
min
mw min
s max=nominal size
min
1 1 1.5 1.5 2 2 3 3 3 3 4
/ （1.25） （1.25） / （1.5） / / / / / /
8.75 10.80 13.00 17.30 21.60 25.90 32.40 38.90 45.40 51.8 60.5
8.00 10.00 12.00 16.00 20.00 24.00 30.00 36.00 42 48 56
11.6 14.6 16.6 22.5 27.7 33.2 42.7 51.1 60.6 69.4 78.7
14.38 17.77 20.03 26.75 32.95 39.55 50.85 60.79 72.09 82.6 93.56
4 5 6 8 10 12 15 18 21 24 28
3.7 4.7 5.7 7.42 9.1 10.9 13.9 16.9 19.7 22.7 26.7
3 3.8 4.6 5.9 7.3 8.7 11.1 13.5 15.8 18.2 21.4
13 16 18 24 30 36 46 55 65 75 85
12.73 15.73 17.73 23.67 29.16 35 45 53.8 63.1 73.1 82.8
Thread Size
d
M64 (M14) (M18) (M22) (M27) (M33) (M39) (M45) (M52) (M60)
P Pitch Fine thread, 1
Fine thread, 2
da max
min
dw min
e min
m max
min
mw min
s max=nominal size
min
4 1.5 1.5 1.5 2 2 3 3 4 4
/ / / / / / / / / /
69.1 15.1 19.5 23.7 29.1 35.6 42.1 48.6 56.2 64.8
64 14 18 22 27 33 39 45 52 60
88.2 19.6 24.8 31.4 38 46.6 55.9 64.7 74.2 83.4
104.86 23.35 29.56 35.03 45.2 55.37 66.44 76.95 88.25 99.21
32 7 9 11 13.5 16.5 19.5 22.5 26 36
30.4 6.42 8.42 9.7 12.2 15.2 17.9 20.9 24.4 34.4
24.3 5.1 6.7 7.8 9.8 12.2 14.3 16.7 19.5 27.5
95 21 27 32 41 50 60 70 80 90
92.9 20.67 26.16 31 40 49 58.8 68.1 78.1 87.8

Alternative history

GB /T 6173 - 1986 GB /T 6173 - 2000 GB /T 6173 - 2015
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