Section D

Flat Washers Rondelles plates

Metric Métrique

DIN 433 For use with Machine Screws. Metric Flat Washers with reduced O.D.

All Dimensions in Millimetres

For Bolt Size

Plain Steel

Zinc

A4 Stainless

PKG QTY.

I.D. (Min.)

O.D. (Max.) Thick. (Nom.)

Plated

Steel

1.1 1.3 1.5 1.7 2.2 2.7 3.2 3.7 4.3 5.3 6.4 8.4

2.5

0.3 0.3 0.3 0.3 0.3 0.5 0.5 0.5 0.5 1.6 1.6 1.6 2.5 2.5 3.0 3.0 1 2

100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100

M1

657-078ZP

3 3

M1.2 M1.4 M1.6

657-079 657-079ZP

657-080ZP 657-081ZP

D

3.5 4.5

M2

657-083 657-W29-1A 657-084 657-W01-1K

5 6 7 8 9

M2.5

M3

657-W06-1P

M3.5

657-144

M4 M5 M6 M8

657-086 657-086ZP 657-W25-1K

■ 657-087

657-087ZP

657-815

11 15 18 20 24 28 30 34

657-088 657-088ZP 657-W11-1N 657-089 657-089ZP 657-802

10.5

M10 M12 M14 M16 M18 M20

657-090

657-090ZP

657-W18-1P

13 15 17 19 21

657-091 657-091ZP 657-092 657-092ZP 657-093 657-093ZP 657-094 657-094ZP 657-095 657-095ZP

50

■ 657-502NP Brass - Nickel Plated

Metric Fender Washers ~DIN 9021

Washers with Large O.D. Plain Steel Similar to DIN 9021 SPAENAUR No. I.D. x O.D. x Thickness 657-W26-1X 6.4 x 25 x 1.25 mm 657-149 8.4 x 30 x 1.25 mm 657-319 10.5 x 38 x 1.5 mm

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

Washers with O.D. approximate 3 times I.D. Previously unmachined.

PKG QTY. 100

For Bolt Size

Plain Steel

Zinc

Yellow A2 Stainless Nylon

All Dimensions in Millimetres

PKG QTY.

I.D. (Min.)

O.D. (Max.) Thick. (Nom.)

Plated Zinc Plated

Steel

6/6

2.7 3.2 3.7 4.3 5.3 6.4 7.4 8.4

8 9

0.8 0.8 0.8

100 100 100 100 100 100 100 100 100 100 100 100 100

M2.5 657-253 657-253ZP

657-804

657-400

M3

657-254 657-254ZP 657-254YZ 657-805

11 12 15 18 22 24 30 37 44 50 56 60

M3.5 657-255 657-255ZP

657-806

1

M4 M5 M6 M7 M8

657-256 657-256ZP 657-256YZ

657-401 657-402 657-403

657-W09-1N

1.1 1.6

657-257 657-257ZP 657-257YZ 657-808 657-258 657-258ZP 657-258YZ 657-W13-1K

CATALOG 14

2 2

657-259 657-259ZP 657-260 657-260ZP

657-810 657-W16-1X

10.5

2.5

657-405 657-406

M10 657-261 657-W24-1T 657-261YZ 657-811 M12 657-262 657-262ZP 657-262YZ 657-812 ▲

13 15 17 19 21

3 3 3 4 4

M14 657-263 657-263ZP 657-263YZ

M16 657-264 657-264ZP M18 657-265 657-265ZP M20 657-266 657-266ZP

50

657-813 A4 Stainless Steel (same dimensions as 657-811)

▲

D17

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