External Tooth Lock Washers creates pressure to provide a type of spring action. This allows the washer to grasp adjoining materials and help prevent loosening from vibration.
Screw Thread d | 2.2 ① | 2.5 | 2.9 ① | 3 | 3.5 | 4 | 4.2 ① | 4.8 ① | 5 | 5.5 ① | 6 | |||
d | max | 2.4 | 2.8 | 3.12 | 3.3 | 3.8 | 4.3 | 4.47 | 5.18 | 5.35 | 5.87 | 6.5 | ||
min | 2.25 | 2.65 | 2.92 | 3.15 | 3.65 | 4.15 | 4.27 | 4.95 | 5.15 | 5.61 | 6.2 | |||
dc | max | - | 5.85 | 6.6 | 7.35 | 8.05 | 9 | 9.7 | 10.3 | 10.5 | 12 | 12.95 | ||
min | - | 5.45 | 6.2 | 6.85 | 7.55 | 8.5 | 9.2 | 9.8 | 10 | 11.5 | 12.2 | |||
t | max | 0.35 | 0.35 | 0.45 | 0.5 | 0.55 | 0.6 | 0.6 | 0.65 | 0.65 | 0.7 | 0.7 | ||
min | 0.25 | 0.25 | 0.3 | 0.35 | 0.4 | 0.45 | 0.45 | 0.5 | 0.5 | 0.55 | 0.55 | |||
Screw Thread d | 6.3 | 8 | 9.5 ① | 10 | 12 | 14 | 16 | 20 | 24 | 30 | ||||
d | max | 6.8 | 8.5 | 10.11 | 10.6 | 12.7 | 14.8 | 17 | 21.2 | 25.3 | 31.4 | |||
min | 6.5 | 8.2 | 9.75 | 10.2 | 12.3 | 14.3 | 16.4 | 20.5 | 24.5 | 30.6 | ||||
dc | max | 12.95 | 15.5 | 17.75 | 17.75 | 20.25 | 23 | 27.5 | 32 | 35.8 | 46.8 | |||
min | 12.2 | 14.75 | 17 | 17 | 19.5 | 22 | 26.5 | 31 | 34.5 | 45.1 | ||||
t | max | 0.7 | 0.85 | 1 | 1 | 1 | 1.15 | 1.25 | 1.4 | 1.5 | 1.7 | |||
min | 0.55 | 0.7 | 0.8 | 0.8 | 0.8 | 0.95 | 1.05 | 1.2 | 1.3 | 1.5 |