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Unit:mm

Metric Heavy Hex Bolts

ANSI B 18.2.3.6M (J1199,F568,A962,A320) - 1979 (R2006)

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美标ANSI B18.2.3.6M (J1199,F568,A962,A320) Metric Heavy Hex Bolts
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Nominal Length L Tips:seclect Nominal Length L and get Thread length.
Thread Size
M12 M14 M16 M20 M24 M30 M36
P Pitch
ds max
min
s max
min
k max
min
b
da max
e max
min
k1 min
R min
1.75 2 2 2.5 3 3.5 4
12.70 14.70 16.70 20.84 24.84 30.84 37.00
11.30 13.30 15.30 19.16 23.16 29.16 35.00
21 24 27 34 41 50 60
20.16 23.16 26.16 33 40 49 58.8
7.95 9.25 10.75 13.40 15.90 19.75 23.55
7.24 8.51 9.68 12.12 14.56 17.92 21.72
30 34 38 46 54 66 78
36 40 44 52 60 72 84
49 53 57 65 73 85 97
13.7 15.7 17.7 22.4 26.4 33.4 39.4
24.25 27.71 31.18 39.26 47.34 57.74 69.28
22.78 26.17 29.56 37.29 45.20 55.37 66.44
5.2 6.2 7.0 8.8 10.5 13.1 15.8
0.6 0.6 0.6 0.8 0.8 1.0 1.0
Length of Thread b
- - - - - - -
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