EN 14399-6

replaces DIN 6915

Plain chamfered washers for high-strength structural bolting,system HV

tech-en14399-6




For thread diameter M12 (M14) M16 (M18)
d max 13.27 15.27 17.27 19.33
min 13 15 17 19
dc max 24 28 30 34
min 23.48 27.48 29.48 33.38
h Nominal Size 3 3 4 4
max 3.3 3.3 4.3 4.3
min 2.7 2.7 3.7 3.7
e min=nominal size 0.5 0.5 0.75 0.75
max 1 1 1.5 1.5
c min 1.6 1.6 1.6 2
max 1.9 1.9 1.9 2.5

For thread diameter M20 M22 M24
d max 21.33 23.33 25.33
min 21 23 25
dc max 37 39 44
min 36.38 38.38 43.38
h Nominal Size 4 4 4
max 4.3 4.3 4.3
min 3.7 3.7 3.7
e min=nominal size 0.75 0.75 0.75
max 1.5 1.5 1.5
c min 2 2 2
max 2.5 2.5 2.5

For thread diameter M27 M30 M36
d max 28.52 31.62 37.62
min 28 31 37
dc max 50 56 66
min 49 54.8 64.8
h Nominal Size 5 5 6
max 5.6 5.6 6.6
min 4.4 4.4 5.4
e min=nominal size 1 1 1.25
max 2 2 2.5
c min 2.5 2.5 2.5
max 3 3 3



*acc. to DAST directive


All information is strictly informative