Spring steel EN 10132 - 1/4 (DIN 17222)
Ø from 3 to 16 mm: strip C60S (C60)
Washers
Serrated lock washers
RDD
Double toothed washers
RDD
Double toothed washers RDD are particularly effective on flat bearing surfaces, when the diameter of the bore is significantly larger than the diameter of the screw.
| SIZE | WASHER DIMENSIONS | SUPPLEMENTARY DATA | WEIGHT | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
screw
mm
|
d
H14
|
tol
|
D
h16
|
tol |
s
|
tol
|
no. of
external teeth
|
no. of
internal teeth
|
Load test
Torsion torque (Nm)
|
Kg/1000
|
|||
| 3 | 3,20 | 0,300 | 0 | 12,00 | 0 | -1,100 | 0,50 | 0,025 | -0,025 | 7 | 12 | 1,40 | 0,376 |
| 4 | 4,30 | 0,300 | 0 | 15,00 | 0 | -1,100 | 0,70 | 0,030 | -0,030 | 7 | 14 | 3,30 | 0,872 |
| 4 | 4,30 | 0,300 | 0 | 18,00 | 0 | -1,100 | 0,80 | 0,030 | -0,030 | 8 | 16 | 3,30 | 1,451 |
| 5 | 5,30 | 0,300 | 0 | 15,00 | 0 | -1,100 | 0,80 | 0,030 | -0,030 | 7 | 14 | 6,70 | 0,906 |
| 5 | 5,30 | 0,300 | 0 | 18,00 | 0 | -1,100 | 0,80 | 0,030 | -0,030 | 8 | 16 | 6,70 | 1,385 |
| 5 | 5,50 | 0,300 | 0 | 20,00 | 0 | -1,300 | 1,00 | 0,030 | -0,030 | 8 | 16 | 6,70 | 2,160 |
| 6 | 6,50 | 0,360 | 0 | 18,00 | 0 | -1,100 | 0,80 | 0,030 | -0,030 | 8 | 16 | 11,20 | 1,306 |
| 6 | 6,50 | 0,360 | 0 | 20,00 | 0 | -1,300 | 1,00 | 0,030 | -0,030 | 8 | 16 | 11,20 | 2,040 |
| 6 | 6,50 | 0,360 | 0 | 22,00 | 0 | -1,300 | 1,00 | 0,030 | -0,030 | 8 | 16 | 11,20 | 2,570 |
| 8 | 8,50 | 0,360 | 0 | 22,00 | 0 | -1,300 | 1,00 | 0,030 | -0,030 | 9 | 16 | 27,00 | 2,452 |
| 8 | 8,50 | 0,360 | 0 | 26,00 | 0 | -1,300 | 1,00 | 0,030 | -0,030 | 9 | 18 | 27,00 | 3,432 |
| 10 | 10,50 | 0,430 | 0 | 26,00 | 0 | -1,300 | 1,00 | 0,030 | -0,030 | 11 | 18 | 53,00 | 3,265 |
| 10 | 10,50 | 0,430 | 0 | 30,00 | 0 | -1,300 | 1,20 | 0,035 | -0,035 | 11 | 18 | 53,00 | 5,520 |
| 12 | 12,50 | 0,430 | 0 | 30,00 | 0 | -1,300 | 1,20 | 0,035 | -0,035 | 11 | 18 | 93,00 | 5,266 |
| 12 | 12,50 | 0,430 | 0 | 32,00 | 0 | -1,600 | 1,20 | 0,035 | -0,035 | 12 | 20 | 93,00 | 6,211 |
| 13-1/2" | 13,20 | 0,430 | 0 | 32,00 | 0 | -1,600 | 1,20 | 0,035 | -0,035 | 12 | 20 | 6,020 | |
| 14 | 14,50 | 0,430 | 0 | 32,00 | 0 | -1,600 | 1,40 | 0,035 | -0,035 | 12 | 20 | 145,00 | 6,550 |
| 14 | 14,50 | 0,430 | 0 | 35,00 | 0 | -1,600 | 1,40 | 0,035 | -0,035 | 12 | 20 | 145,00 | 8,387 |
| 16 | 16,50 | 0,430 | 0 | 35,00 | 0 | -1,600 | 1,40 | 0,035 | -0,035 | 13 | 20 | 230,00 | 7,400 |
Dimensions in mm
View technical data
Materials used
discoverHardness
Ø from 3 to 16 mm: HV 350 ÷ 425, HRC 36 ÷ 43
Standard surface finish
discoverØ from 3 to 16 mm: self-finished and oiled
Packaging
discover
Additional information
Surface Finishes on request
Upon request and for quantities / prices to be established, double toothed washers RDD can be supplied with the following surface finishes:
Electrolytic Zinc Plating
| SIZE | WASHER DIMENSIONS | SUPPLEMENTARY DATA | WEIGHT | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
screw
mm
|
d
H14
|
tol
|
D
h16
|
tol |
s
|
tol
|
no. of
external teeth
|
no. of
internal teeth
|
Load test
Torsion torque (Nm)
|
Kg/1000
|
|||
| 3 | 3,20 | 0,300 | 0 | 12,00 | 0 | -1,100 | 0,50 | 0,025 | -0,025 | 7 | 12 | 1,40 | 0,376 |
| 4 | 4,30 | 0,300 | 0 | 15,00 | 0 | -1,100 | 0,70 | 0,030 | -0,030 | 7 | 14 | 3,30 | 0,872 |
| 4 | 4,30 | 0,300 | 0 | 18,00 | 0 | -1,100 | 0,80 | 0,030 | -0,030 | 8 | 16 | 3,30 | 1,451 |
| 5 | 5,30 | 0,300 | 0 | 15,00 | 0 | -1,100 | 0,80 | 0,030 | -0,030 | 7 | 14 | 6,70 | 0,906 |
| 5 | 5,30 | 0,300 | 0 | 18,00 | 0 | -1,100 | 0,80 | 0,030 | -0,030 | 8 | 16 | 6,70 | 1,385 |
| 5 | 5,50 | 0,300 | 0 | 20,00 | 0 | -1,300 | 1,00 | 0,030 | -0,030 | 8 | 16 | 6,70 | 2,160 |
| 6 | 6,50 | 0,360 | 0 | 18,00 | 0 | -1,100 | 0,80 | 0,030 | -0,030 | 8 | 16 | 11,20 | 1,306 |
| 6 | 6,50 | 0,360 | 0 | 20,00 | 0 | -1,300 | 1,00 | 0,030 | -0,030 | 8 | 16 | 11,20 | 2,040 |
| 6 | 6,50 | 0,360 | 0 | 22,00 | 0 | -1,300 | 1,00 | 0,030 | -0,030 | 8 | 16 | 11,20 | 2,570 |
| 8 | 8,50 | 0,360 | 0 | 22,00 | 0 | -1,300 | 1,00 | 0,030 | -0,030 | 9 | 16 | 27,00 | 2,452 |
| 8 | 8,50 | 0,360 | 0 | 26,00 | 0 | -1,300 | 1,00 | 0,030 | -0,030 | 9 | 18 | 27,00 | 3,432 |
| 10 | 10,50 | 0,430 | 0 | 26,00 | 0 | -1,300 | 1,00 | 0,030 | -0,030 | 11 | 18 | 53,00 | 3,265 |
| 10 | 10,50 | 0,430 | 0 | 30,00 | 0 | -1,300 | 1,20 | 0,035 | -0,035 | 11 | 18 | 53,00 | 5,520 |
| 12 | 12,50 | 0,430 | 0 | 30,00 | 0 | -1,300 | 1,20 | 0,035 | -0,035 | 11 | 18 | 93,00 | 5,266 |
| 12 | 12,50 | 0,430 | 0 | 32,00 | 0 | -1,600 | 1,20 | 0,035 | -0,035 | 12 | 20 | 93,00 | 6,211 |
| 13-1/2" | 13,20 | 0,430 | 0 | 32,00 | 0 | -1,600 | 1,20 | 0,035 | -0,035 | 12 | 20 | 6,020 | |
| 14 | 14,50 | 0,430 | 0 | 32,00 | 0 | -1,600 | 1,40 | 0,035 | -0,035 | 12 | 20 | 145,00 | 6,550 |
| 14 | 14,50 | 0,430 | 0 | 35,00 | 0 | -1,600 | 1,40 | 0,035 | -0,035 | 12 | 20 | 145,00 | 8,387 |
| 16 | 16,50 | 0,430 | 0 | 35,00 | 0 | -1,600 | 1,40 | 0,035 | -0,035 | 13 | 20 | 230,00 | 7,400 |
Dimensions in mm