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Washers
Serrated lock washers

RDIFL
Large band washers, internal teeth

Large band washers type RDIFL are particularly effective on non-flat bearing surfaces, when the diameter of the bore is lengthened or significantly larger than the diameter of the screw.

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Scheda prodotto - RDIFL
SIZE WASHER DIMENSIONS SUPPLEMENTARY DATA WEIGHT
screw
mm
d
H14
tol
D
h16
tol
s
tol
no. of
teeth
Load test
Torsion torque (Nm)
Kg/1000
3 3,20 0,300 0 9,00 0 -0,900 0,50 0,025 -0,025 7 1,40 0,199
3 3,20 0,300 0 12,00 0 -1,100 0,50 0,025 -0,025 7 1,40 0,402
4 4,30 0,300 0 11,00 0 -1,100 0,50 0,025 -0,025 7 3,30 0,300
4 4,30 0,300 0 15,00 0 -1,100 0,70 0,030 -0,030 7 3,30 0,830
4 4,30 0,300 0 18,00 0 -1,100 0,80 0,030 -0,030 8 3,30 1,430
5 5,20 0,300 0 12,00 0 -1,100 0,70 0,030 -0,030 7 6,70 0,440
5 5,30 0,300 0 14,00 0 -1,100 0,70 0,030 -0,030 8 6,70 0,691
5 5,30 0,300 0 14,00 0 -1,100 1,00 0,030 -0,030 8 6,70 0,987
5 5,30 0,300 0 18,00 0 -1,100 0,80 0,030 -0,030 8 6,70 1,397
5 5,50 0,300 0 20,00 0 -1,300 1,00 0,030 -0,030 8 6,70 2,189
6 6,30 0,360 0 14,00 0 -1,100 0,70 0,030 -0,030 8 11,20 0,650
6 6,50 0,360 0 18,00 0 -1,100 0,80 0,030 -0,030 8 11,20 1,317
6 6,50 0,360 0 20,00 0 -1,300 1,00 0,030 -0,030 8 11,20 2,120
6 6,50 0,360 0 22,00 0 -1,300 1,00 0,030 -0,030 8 11,20 2,602
8 8,50 0,360 0 22,00 0 -1,300 1,00 0,030 -0,030 9 27,00 2,380
8 8,50 0,360 0 22,00 0 -1,300 1,20 0,035 -0,035 8 27,00 2,955
8 8,50 0,360 0 26,00 0 -1,300 1,00 0,030 -0,030 9 27,00 3,491
8 8,30 0,360 0 26,00 0 -1,300 1,40 0,035 -0,035 7 27,00 5,076
8 8,30 0,360 0 26,00 0 -1,300 1,80 0,045 -0,045 6 27,00 6,526
10 10,50 0,430 0 22,00 0 -1,300 1,00 0,030 -0,030 11 53,00 2,172
10 10,50 0,430 0 26,00 0 -1,300 1,00 0,030 -0,030 11 53,00 3,360
10 10,50 0,430 0 30,00 0 -1,300 1,20 0,035 -0,035 11 53,00 5,520
12 12,50 0,430 0 30,00 0 -1,300 1,20 0,035 -0,035 11 93,00 5,410
12 12,50 0,430 0 32,00 0 -1,600 1,20 0,035 -0,035 12 93,00 6,166
13-1/2" 13,20 0,430 0 32,00 0 -1,600 1,20 0,035 -0,035 12   5,910
14 14,50 0,430 0 32,00 0 -1,600 1,40 0,035 -0,035 12 145,00 6,729
14 14,50 0,430 0 35,00 0 -1,600 1,40 0,035 -0,035 12 145,00 8,429
16 16,50 0,430 0 35,00 0 -1,600 1,40 0,035 -0,035 13 230,00 7,923
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 16 mm: strip C60S (C60)

Hardness

Ø from 3 to 16 mm: HV 350 ÷ 425, HRC 36 ÷ 43

Standard surface finish

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Ø from 3 to 16 mm: self-finished and oiled

Packaging

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Ø from 3 to 16 mm: loose in boxes

Additional information

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