GOST 6958 - 1978 Enlarged Washers, Product Grades A And C


Unit: mm
Size
M1 M1.2 M1.6 M2 M2.5 M3 M3.5 M4 M5 M6 M8 M10
d Gread A
Gread C
dc
h
1.1 1.3 1.7 2.2 2.7 3.2 3.7 4.3 5.3 6.4 8.4 10.5
1.2 1.4 1.8 2.4 2.9 3.4 3.9 4.5 5.5 6.6 9 11
4 4 5 6 8 9 11 12 15 18 24 30
0.3 0.3 0.3 0.5 0.5 0.8 0.8 1 1.2 1.6 2 2.5
Size
M12 M14 M16 M18 M20 M22 M24 M27 M30 M36 M42 M48
d Gread A
Gread C
dc
h
13 15 17 19 21 23 25 28 31 37 - -
13.5 15.5 17.5 20 22 24 26 30 33 39 45 52
37 44 50 56 60 66 72 85 92 110 125 145
3 3 3 4 4 5 5 6 6 8 10 10
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