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Serrated lock washers


RDEFL
Large band washers, external teeth

Large band washers type RDEFL are particularly effective on flat bearing surfaces, when the diameter of the bore is significantly larger than the diameter of the screw.

Scheda prodotto - RDEFL
SIZE WASHER DIMENSIONS SUPPLEMENTARY DATA WEIGHT
screw mm
d
H14
tol
D
h16
tol
s
tol
teeth no.
Load test
Torsion torque
(Nm)
Kg/1000
3 3,20 0,300 0 7,00 0 -0,900 0,40 0,020 -0,020 10 1,40 0,080
4 4,30 0,300 0 9,00 0 -0,900 0,50 0,025 -0,025 11 3,30 0,188
5 5,30 0,300 0 11,00 0 -1,100 0,60 0,025 -0,025 12 6,70 0,348
6 6,40 0,360 0 13,00 0 -1,100 0,70 0,030 -0,030 13 11,20 0,538
7 7,30 0,360 0 14,00 0 -1,100 0,70 0,030 -0,030 14 18,00 0,579
8 8,40 0,360 0 17,00 0 -1,100 0,80 0,030 -0,030 16 27,00 1,000
10 10,50 0,430 0 20,50 0 -1,300 1,00 0,030 -0,030 16 53,00 1,767
10 10,50 0,430 0 26,00 0 -1,300 1,20 0,035 -0,035 18 53,00 3,976
10 10,50 0,430 0 33,00 0 -1,600 1,40 0,400 -0,040 18 53,00 7,980
12 12,50 0,430 0 24,00 0 -1,300 1,00 0,030 -0,030 18 93,00 2,358
14 14,50 0,430 0 26,00 0 -1,300 1,20 0,035 -0,035 18 145,00 3,177
Dimensions in mm 
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Materials used

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Spring steel EN 10132 - 1/4 (DIN 17222)
Ø from 3 to 14 mm: strip C60S (C60)

Hardness

Ø from 3 to 14 mm: HV 350 ÷ 425, HRC 36 ÷ 43

Standard surface finish

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Ø from 3 to 14 mm: self-finished and oiled

Packaging

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Additional information

Surface Finishes on request
Upon request and for quantities / prices to be established, large band washers RDEFL can be supplied with the following surface finishes:
Electrolytic Zinc Plating