Section D

Flat Washers / Ribbed Lockwashers Rondelles plates�/ Rondelles freins nervurées

Metric Métrique

Metric Flat Washers for Clevis Pins

DIN 1440

~ DIN EN 28738 ~ ISO 8738

Fine Tolerance – Steel

Bolt Size (mm)

Plain Steel

Zinc

Yellow

PKG QTY.

All Dimensions in Millimetres

Plated Zinc Plated

I.D.

O.D.

Thickness

3 4 5 6 8

6 8

0.8 0.8 0.8 1.6

100 100 100 100 100 100 100 100 100 100 100

3 4 5 6 8

657-234 657-234ZP

657-235 657-235ZP 657-235YZ 657-236 657-236ZP 657-236YZ

10 12 16 20 25 25 28 28 30 32 34 40 42 45 52

657-237 657-237ZP

D

2

657-238 657-238ZP 657-W28-1X

10 12 13 14 16 18 20 22 25 28 30 36

2.5

10 12 13 14 16 18 20 22 25 28 30 36

657-239 657-239ZP 657-240 657-240ZP

3 3 3 3 4 4 4 4 5 5 6

657-241

657-242 657-242ZP

657-243 657-243ZP 657-243YZ

657-244 657-244ZP

50 50 50 25 25 10

657-245 657-245ZP 657-245YZ

657-246 657-247 657-249 657-250

657-246YZ

657-246ZP

657-248 657-W08-1C

Metric Rib Washers Spring Steel – Black Finish

For Bolt

Overall Height

SPAENAUR

PKG QTY.

All Dimensions in Millimetres

Size

I.D. 3.2 4.3 5.3 6.4 7.4 8.4

O.D.

Thickness

No.

5.5 7.0 9.0

0.45 0.50 0.60 0.70 0.70 0.80 1.00 1.10 1.20 1.30 1.50 1.50 1.50 1.80 2.00 2.00

0.9 1.0 1.1 1.2 1.3 1.4 1.6 1.7 2.0 2.1 2.3 2.4 2.5 2.7 2.9 3.2

100 100 100 100 100 100 100 100 100 100 100

M3 M4 M5 M6 M7 M8

657-275 657-276 657-277 657-278 657-279 657-280 657-282 657-284 657-286 657-293 657-287 657-288 657-289 657-290 657-291 657-292

10.0 12.0 13.0 16.0 18.0 22.0 24.0 27.0 30.0 33.0 36.0 39.0

10.5 13.0 15.0 17.0 19.0 21.0 23.0 25.6 28.6 31.6

M10 M12 M14 M16 M18 M20 M22 M24 M27 M30

50 50 50 25 25

CATALOG 14 CATALOG 14.09

45

PKG QTY. 100

Flat Small O.D. Washers Steel – Zinc Plated

SPAENAUR No. 657-407 M6 Thick Flat Washer Steel – Zinc Plated 6.4 I.D. x 16 O.D. x 0.8 mm Thick.

PKG QTY. 100

SPAENAUR No. 657-408 SPAENAUR No. 657-409 8 I.D. x 12 O.D. x 2 mmThick. 9 I.D. x 13 O.D. x 2 mmThick.

D19

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