Norma ta okresla wymiary i warunki techniczne dostawy srub z lbem walcowym o rozmiarze M6 do M16 i M12 x 1,5 do M16 x 1,5 z gniazdem 12-katnym, o klasach wytrzymalosci 8.8, 10.9 i A2-70 oraz klasie wyrobu A.

Rysunek wymiarowy i diagramy techniczne

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Kluczowe wymiary i parametry techniczne

Dimensions in mm - source DIN 34821

Publication date: 11/2005
d thread size
M 6 M 8 M 10 M 12 M 14 M 16
P coarse 1 1.25 1.5 1.75 2 2
P fine - - - 1.5 1.5 1.5
dk mx 10 13 16 18 21 24
dk min 9.78 12.73 15.73 17.73 20.67 23.67
k nom=max 6 8 10 12 14 16
h max 4.2 5.48 6.78 8.08 9.48 10.58
12 point socket
size N8 N10 N12 N14 N16 N18
s 7.4 9.84 11.7 13.54 15.99 17.18
t min 3 4 5 6 7 8

Din 34821 - ≈ weight in kg x1000 pcs, (ρ=7,85 kg/dm3) - commercial sizes

d thread size M 6 M 8 M 10 M 12 M 14 M 16
nominal length l
8
10
12 4.9
16 5.6 11.2
20 6.3 12.4 21.8 32.6 48.9 71.3
25 7.1 14 24.2 36.2 54 78.1
30 8 15.6 26.7 40 59.1 85
35 8.9 17.1 29.1 43.6 64.2 91.8
40 9.7 18.7 31.6 47.3 69.4 98.7
45 10.6 20.2 34 51 74.5 106
50 11.4 21.8 36.5 54.6 79.6 112
55 12.3 23.3 38.9 58.3 84.8 119
60 13.2 24.9 41.3 61.9 89.9 126
65 14 26.4 43.8 65.6 95 133
70 14.9 28 46.2 69.3 100 140
80 31.1 51.1 76.6 110 153
90 50 83.9 121 167
100 131 181