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Small hexagon head bolts, semifinished [Annex Attached Table 2.2.]

JIS B 1180 (AT2.2) - 1994

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日标JIS B1180 (AT2.2) - 1994 JIS1180 1180J Small hexagon head bolts, semifinished [Annex Attached Table 2.2.]
Screw Thread
d
M8 M10 M12 (M14) M16 (M18) M20 (M22) M24 (M27) M30 (M33) M36 (M39)
P Pitch coarse thread
Fine thread
ds max
min
k Nominal Size
max
min
s max
min
e
D
r min
da max
z
c
1.25 1.5 1.75 2 2 2.5 2.5 2.5 3 3 3.5 3.5 4 4
1 1.25 1.25 1.5 1.5 1.5 1.5 1.5 2 2 2 2 3 3
8 10 12 14 16 18 20 22 24 27 30 33 36 39
7.8 9.8 11.75 13.75 15.75 17.75 19.65 21.65 23.65 26.65 29.65 32.6 35.6 38.6
5.5 7 8 9 10 12 13 14 15 17 19 21 23 25
5.75 7.3 8.3 9.3 10.3 12.35 13.35 14.35 15.35 17.35 19.4 21.4 23.4 25.4
5.25 6.7 7.7 8.7 9.7 11.65 12.65 13.65 14.65 16.65 18.6 20.6 22.6 24.6
12 14 17 19 22 24 27 30 32 36 41 46 50 55
11.3 13.3 16.3 18.2 21.2 23.2 26.2 29.2 31 35 40 45 49 53.8
13.9 16.2 19.6 21.9 25.4 27.7 31.2 34.6 37 41.6 47.3 53.1 57.7 63.5
11.5 13.5 16.5 18 21 23 26 29 31 34 39 44 48 53
0.4 0.4 0.6 0.6 0.6 0.6 0.8 0.8 0.8 1 1 1 1 1
9.2 11.2 13.7 15.7 17.7 20.2 22.4 24.4 26.4 30.4 33.4 36.4 39.4 42.4
1.2 1.5 2 2 2 2.5 2.5 2.5 3 3 3.5 3.5 4 4
0.4 0.4 0.6 0.6 0.6 0.6 0.6 0.6 0.6 / / / / /