Spring steel EN 10132 - 1/4 (DIN 17222)
Ø from 3 to 30 mm: strip C60S (C60)
Washers
Serrated lock washers
DIN 6797 A
Serrated lock washers, external teeth
DIN 6797 A
DIN 6797 A are external toothed washers that can provide a discreet locking.
They are particularly effective on flat bearing surfaces that are larger than their outer diameter.
| SIZE | WASHER DIMENSIONS | SUPPLEMENTARY DATA | WEIGHT | |||||||
|---|---|---|---|---|---|---|---|---|---|---|
|
screw
mm
|
d
min
|
d
max
|
D
min
|
D
max
|
s
|
tol
|
no. of
teeth
|
Load test
Torsion torque (Nm)
|
Kg/1000
|
|
| 3 | 3,20 | 3,38 | 5,70 | 6,00 | 0,40 | 0,020 | -0,020 | 6 | 1,40 | 0,039 |
| 4 | 4,30 | 4,48 | 7,64 | 8,00 | 0,50 | 0,025 | -0,025 | 8 | 3,30 | 0,080 |
| 5x10 | 5,30 | 5,48 | 9,64 | 10,00 | 0,60 | 0,025 | -0,025 | 8 | 6,70 | 0,168 |
| 6 | 6,40 | 6,62 | 10,57 | 11,00 | 0,70 | 0,030 | -0,030 | 8 | 11,20 | 0,221 |
| 8x15 | 8,40 | 8,62 | 14,57 | 15,00 | 0,80 | 0,030 | -0,030 | 8 | 27,00 | 0,517 |
| 10 | 10,50 | 10,77 | 17,57 | 18,00 | 0,90 | 0,030 | -0,030 | 9 | 53,00 | 0,800 |
| 12 | 13,00 | 13,27 | 19,98 | 20,50 | 1,00 | 0,030 | -0,030 | 10 | 93,00 | 1,030 |
| 14 | 15,00 | 15,27 | 23,48 | 24,00 | 1,00 | 0,030 | -0,030 | 10 | 145,00 | 1,520 |
| 16 | 17,00 | 17,27 | 25,48 | 26,00 | 1,20 | 0,035 | -0,035 | 12 | 230,00 | 1,920 |
| 18 | 19,00 | 19,33 | 29,48 | 30,00 | 1,40 | 0,035 | -0,035 | 12 | 310,00 | 3,034 |
| 20 | 21,00 | 21,33 | 32,38 | 33,00 | 1,40 | 0,035 | -0,035 | 12 | 440,00 | 3,750 |
| 22 | 23,00 | 23,33 | 35,38 | 36,00 | 1,50 | 0,035 | -0,035 | 14 | 600,00 | 4,776 |
| 24 | 25,00 | 25,33 | 37,38 | 38,00 | 1,50 | 0,035 | -0,035 | 14 | 770,00 | 5,085 |
| 27 | 28,00 | 28,33 | 43,38 | 44,00 | 1,60 | 0,045 | -0,045 | 14 | 1130,00 | 7,687 |
| 30 | 31,00 | 31,39 | 47,38 | 48,00 | 1,60 | 0,045 | -0,045 | 14 | 1550,00 | 9,100 |
Dimensions in mm
View technical data
Materials used
discoverHardness
HV 350 ÷ 425, HRC 36 ÷ 43
Standard surface finish
discover- self-finished and oiled
- electrolytic zinc plating
Packaging
discover
Additional information
Surface Finishes on request
Upon request and for quantities / prices to be established, lock washers DIN 6797 A can be supplied with the following surface finishes:
Phosphating
Mechanical Zinc Plating
| SIZE | WASHER DIMENSIONS | SUPPLEMENTARY DATA | WEIGHT | |||||||
|---|---|---|---|---|---|---|---|---|---|---|
|
screw
mm
|
d
min
|
d
max
|
D
min
|
D
max
|
s
|
tol
|
no. of
teeth
|
Load test
Torsion torque (Nm)
|
Kg/1000
|
|
| 3 | 3,20 | 3,38 | 5,70 | 6,00 | 0,40 | 0,020 | -0,020 | 6 | 1,40 | 0,039 |
| 4 | 4,30 | 4,48 | 7,64 | 8,00 | 0,50 | 0,025 | -0,025 | 8 | 3,30 | 0,080 |
| 5x10 | 5,30 | 5,48 | 9,64 | 10,00 | 0,60 | 0,025 | -0,025 | 8 | 6,70 | 0,168 |
| 6 | 6,40 | 6,62 | 10,57 | 11,00 | 0,70 | 0,030 | -0,030 | 8 | 11,20 | 0,221 |
| 8x15 | 8,40 | 8,62 | 14,57 | 15,00 | 0,80 | 0,030 | -0,030 | 8 | 27,00 | 0,517 |
| 10 | 10,50 | 10,77 | 17,57 | 18,00 | 0,90 | 0,030 | -0,030 | 9 | 53,00 | 0,800 |
| 12 | 13,00 | 13,27 | 19,98 | 20,50 | 1,00 | 0,030 | -0,030 | 10 | 93,00 | 1,030 |
| 14 | 15,00 | 15,27 | 23,48 | 24,00 | 1,00 | 0,030 | -0,030 | 10 | 145,00 | 1,520 |
| 16 | 17,00 | 17,27 | 25,48 | 26,00 | 1,20 | 0,035 | -0,035 | 12 | 230,00 | 1,920 |
| 18 | 19,00 | 19,33 | 29,48 | 30,00 | 1,40 | 0,035 | -0,035 | 12 | 310,00 | 3,034 |
| 20 | 21,00 | 21,33 | 32,38 | 33,00 | 1,40 | 0,035 | -0,035 | 12 | 440,00 | 3,750 |
| 22 | 23,00 | 23,33 | 35,38 | 36,00 | 1,50 | 0,035 | -0,035 | 14 | 600,00 | 4,776 |
| 24 | 25,00 | 25,33 | 37,38 | 38,00 | 1,50 | 0,035 | -0,035 | 14 | 770,00 | 5,085 |
| 27 | 28,00 | 28,33 | 43,38 | 44,00 | 1,60 | 0,045 | -0,045 | 14 | 1130,00 | 7,687 |
| 30 | 31,00 | 31,39 | 47,38 | 48,00 | 1,60 | 0,045 | -0,045 | 14 | 1550,00 | 9,100 |
Dimensions in mm