DIN 6797J

Toothed Lock Washer - Type J

Internal teeth

tech-din6797j






Size 2.2 2.7 3.2 3.7
d min=nominal size 2.2 2.7 3.2 3.7
max 2.34 2.84 3.38 3.88
dc max=nominal size 4.5 5.5 6 7
min 4.2 5.2 5.7 6.64
t 0.3 0.4 0.4 0.5
Number of Teeth 6 6 6 6
per 1000 units≈kg 0.04 0.045 0.045 0.085
For Nominal Thread Diameter M2 M2.5 M3 M3.5

Size 4.3 5.3 6.4
d min=nominal size 4.3 5.3 6.4
max 4.48 5.48 6.62
dc max=nominal size 8 10 11
min 7.64 9.64 10.57
t 0.5 0.6 0.7
Number of Teeth 8 8 8
per 1000 units≈kg 0.1 0.2 0.25
For Nominal Thread Diameter M4 M5 M6

Size 7.4 8.4 10.5
d min=nominal size 7.4 8.4 10.5
max 7.62 8.62 10.77
dc max=nominal size 12.5 15 18
min 12.07 14.57 17.57
t 0.8 0.8 0.9
Number of Teeth 8 8 9
per 1000 units≈kg 0.35 0.55 0.9
For Nominal Thread Diameter M7 M8 M10

Size 13 15 17
d min=nominal size 13 15 17
max 13.27 15.27 17.27
dc max=nominal size 20.5 24 26
min 19.98 23.48 25.48
t 1 1 1.2
Number of Teeth 10 10 12
per 1000 units≈kg 1.2 1.9 2.4
For Nominal Thread Diameter M12 M14 M16

Size 19 21 23
d min=nominal size 19 21 23
max 19.33 21.33 23.33
dc max=nominal size 30 33 36
min 29.48 32.38 35.38
t 1.4 1.4 1.5
Number of Teeth 12 12 14
per 1000 units≈kg 3.7 4.1 6
For Nominal Thread Diameter M18 M20 M22

Size 25 28 31
d min=nominal size 25 28 31
max 25.33 28.33 31.39
dc max=nominal size 38 44 48
min 37.38 43.38 47.38
t 1.5 1.6 1.6
Number of Teeth 14 14 14
per 1000 units≈kg 6.5 8.5 9.5
For Nominal Thread Diameter M24 M27 M30



*acc. to DIN 6797: 1971


All information is strictly informative