Spring steel EN 10132 - 1/4 (DIN 17222)
Ø from 5 to 30 mm: strip C60S (C60)
Washers
Spring and knurled washers
RZBM
Knurled washers, heavy duty
RZBM
Knurled washers RZBM – heavy duty - are suitable for screw / bolt grade 8.8. and 10.9 without restrictions.
Their particular conical shape with milling on both bearing surfaces provides an excellent screw clumping.
| SIZE | WASHER DIMENSIONS | SUPPLEMENTARY DATA | WEIGHT | |||||||
|---|---|---|---|---|---|---|---|---|---|---|
|
screw
mm
|
d1
H14
|
tol
|
d2
h14
|
tol
|
s
|
h
max
|
Load test
Torsion torque
(Nm)
|
Kg/1000
|
||
| 5 | 5,30 | 0,300 | 0 | 9,00 | 0 | -0,360 | 0,90 | 1,25 | 6,70 | 0,267 |
| 6 | 6,40 | 0,360 | 0 | 10,00 | 0 | -0,360 | 0,90 | 1,35 | 11,20 | 0,289 |
| 8 | 8,40 | 0,360 | 0 | 13,00 | 0 | -0,430 | 1,10 | 1,65 | 27,00 | 0,600 |
| 10 | 10,50 | 0,430 | 0 | 16,00 | 0 | -0,430 | 1,40 | 1,95 | 53,00 | 1,169 |
| 12 | 13,00 | 0,430 | 0 | 18,00 | 0 | -0,430 | 1,40 | 2,05 | 93,00 | 1,200 |
| 14 | 15,00 | 0,430 | 0 | 22,00 | 0 | -0,520 | 1,40 | 2,15 | 145,00 | 2,139 |
| 16 | 17,00 | 0,430 | 0 | 24,00 | 0 | -0,520 | 1,90 | 2,55 | 230,00 | 3,110 |
| 18 | 19,00 | 0,520 | 0 | 27,00 | 0 | -0,520 | 1,90 | 2,65 | 310,00 | 3,750 |
| 20 | 21,00 | 0,520 | 0 | 30,00 | 0 | -0,520 | 1,90 | 2,75 | 440,00 | 4,780 |
| 24 | 25,60 | 0,520 | 0 | 36,00 | 0 | -0,620 | 2,40 | 3,35 | 770,00 | 8,400 |
| 30 | 31,60 | 0,620 | 0 | 45,00 | 0 | -0,620 | 2,40 | 3,75 | 1.550,00 | 14,010 |
Dimensions in mm
View technical data
Materials used
discoverHardness
Ø from 5 to 30 mm: HV 430 ÷ 526, HRC 44 ÷ 50
Standard surface finish
discoverØ from 5 to 30 mm: phosphated and oiled
Ø from 5 to 30 mm: mechanical zinc plating
Packaging
discover
Additional information
Packaging on request
Upon request and for quantities / prices to be established, knurled washers RZBM can be supplied in bulk packaging.
| SIZE | WASHER DIMENSIONS | SUPPLEMENTARY DATA | WEIGHT | |||||||
|---|---|---|---|---|---|---|---|---|---|---|
|
screw
mm
|
d1
H14
|
tol
|
d2
h14
|
tol
|
s
|
h
max
|
Load test
Torsion torque
(Nm)
|
Kg/1000
|
||
| 5 | 5,30 | 0,300 | 0 | 9,00 | 0 | -0,360 | 0,90 | 1,25 | 6,70 | 0,267 |
| 6 | 6,40 | 0,360 | 0 | 10,00 | 0 | -0,360 | 0,90 | 1,35 | 11,20 | 0,289 |
| 8 | 8,40 | 0,360 | 0 | 13,00 | 0 | -0,430 | 1,10 | 1,65 | 27,00 | 0,600 |
| 10 | 10,50 | 0,430 | 0 | 16,00 | 0 | -0,430 | 1,40 | 1,95 | 53,00 | 1,169 |
| 12 | 13,00 | 0,430 | 0 | 18,00 | 0 | -0,430 | 1,40 | 2,05 | 93,00 | 1,200 |
| 14 | 15,00 | 0,430 | 0 | 22,00 | 0 | -0,520 | 1,40 | 2,15 | 145,00 | 2,139 |
| 16 | 17,00 | 0,430 | 0 | 24,00 | 0 | -0,520 | 1,90 | 2,55 | 230,00 | 3,110 |
| 18 | 19,00 | 0,520 | 0 | 27,00 | 0 | -0,520 | 1,90 | 2,65 | 310,00 | 3,750 |
| 20 | 21,00 | 0,520 | 0 | 30,00 | 0 | -0,520 | 1,90 | 2,75 | 440,00 | 4,780 |
| 24 | 25,60 | 0,520 | 0 | 36,00 | 0 | -0,620 | 2,40 | 3,35 | 770,00 | 8,400 |
| 30 | 31,60 | 0,620 | 0 | 45,00 | 0 | -0,620 | 2,40 | 3,75 | 1.550,00 | 14,010 |
Dimensions in mm