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Size, mm
Thread diameter, d 6 8 10 12 16
Thread pitch (large) 1 1.25 1.5 1.75 2
Shank diameter, d1 6 8 10 12 16
Width across flats, S 10 13 17 19 24
Head height, К 4 5.3 6.4 7.5 10
Diameter of circumscribed circle, е, not less than 10.9 14.2 18.7 20.9 26.2
Thread length, b, mm 18 22 26 30 38
Strength grade 5.8 5.8 5.8 5.8 5.8
Bolt length, L, mm Theoretical weight of 1000 bolts, kg
16 5.93        
20 6.742 13.25 24.97 - -
25 7.871 15.07 27.82 39.95 -
30 8.981 17.35 30.66 44.05 -
35 10.09 19.32 33.88 48.43 90.62
40 11.2 21.3 36.96 52.87 97.99
45 12.31 23.27 40.05 57.31 105.7
50 13.42 25.25 43.13 61.76 113.6
55 - 27.22 46.22 66.2 121.5
60 - 29.2 49.3 70.64 129.4
65 - - 52.39 75.08 137.3
70 - - 55.47 79.53 145.2
75 - - - 83.97 153.1
80 - - - 88.42 161
85 - - - 92.86 168.9
90 - - - 97.29 176.8
100 - - - - 192.6
110 - - - - 208.4
120 - - - - 224.2

STEEL GRADE: 20KP DSTU 3684-94.

PACKAGING: Cardboard boxes of net weight 25kg