Section D

Flat Washers Rondelles plates

Metric Métrique

Metric Flat Washers DIN 7989

This Standard has been replaced. Please see Catalog Page R21 for more information.

For Steel Construction - Plain Steel

All Dimensions in Millimetres

For Bolt

SPAENAUR

PKG QTY.

Size M10 M12 M16 M20 M24 M24 M27 M30

I.D.

O.D.

Thickness

No.

11

20 24 30 37 44 44 50 56

8 8 8 8 8 8 8 8

100 100 100

657-050 657-051 657-096 657-052 657-097

13.5 17.5

D

22 26 26 30 33

50 50 50 25 25

(Zinc Plated)

657-097ZP

657-098 657-099

Metric Flat Washers DIN 6916 For use with steel structures (joints with high-tensile, prestressed bolts) and DIN 6914 High Tension Hexagon Bolts (Pg. B170) and DIN 6915 Heavy Hex Nuts (Pg. C20). For Bolt SPAENAUR Size No. I.D. O.D. Thickness M12 657-150 13 24 3 100 M16 657-151 17 30 4 100 M20 657-152 21 37 4 50 M22 657-153 23 39 4 50 M24 657-154 25 44 4 50 M27 657-155 28 50 5 25 M30 657-156 31 56 5 25 M33 657-157 34 60 5 10 Metric Flat Washers DIN 6340 All Dimensions in Millimetres Plain Steel - Black Finish Hardened Plain Steel – Black Finish Hardened

PKG QTY.

For Bolt

SPAENAUR

PKG QTY.

All Dimensions in Millimetres

Size

I.D. 6.4 8.4

O.D.

Thickness

No.

17 23 28 35 40 45 45 50 60

3 4 4 5 5 6 6 6 8

100 100 100 100 100 100 100

M6 M8

657-298 657-299

10.5

M10 M12 M14 M16 M18 M20 M24

657-W27-1M

13 15 17 19 21 25

657-301 657-302 657-303 657-304 657-305 657-306

CATALOG 14

50 50

For Spherical Seat Washer DIN 6319C and Dished Washer DIN 6319D see page B302.

D18

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