Page 564 - Wurth Total Catalogue

star washers

Internal Form J External Form A DIN 6797
Internal Form J or
External Form A
Material: Spring Steel
Finish: Zinc
Material: Stainless Steel A2/304
Star or Tooth Lock Washers are pre-stressed lock
washers that act through their axial springing.

Size d ₁ d ₂ Internal ZN Internal A2 External ZN External A2 Pack Qty.
mm mm mm Art. No. Art. No. Art. No. Art. No.
M 3 3.2 6 0424 3 0431 022 3 - 0431 021 3
M 4 4.3 8 0424 4 0431 022 4 0423 4 0431 021 4
M 5 5.3 10 0424 5 0431 022 5 0423 5 0431 021 5
M 6 6.4 11 0424 6 0431 022 6 0423 6 0431 021 6
M 8 8.4 15 0424 8 0431 022 8 0423 8 0431 021 8 100/500
M 10 10.5 18 0424 10 0431 022 10 0423 10 0431 021 10
M 12 13.0 20.5 0424 12 - 0423 12 0431 021 12
M 14 14.5 24.0 0424 14 - 0423 14 -

serrated lock washers

Internal Form J External Form A DIN 6798
Internal Form J or
External Form A
Material: Spring Steel
Finish: Zinc

Serrated lock washers are semi positive lock
washers that interlock with the faces of the
components when the bolt or nut is tightened.

Size d d ₁ Internal ZN External ZN Pack Qty.
mm mm mm Art. No. Art. No.
M 4 4.3 8 0428 4 0429 4
M 5 5.3 10 0428 5 0429 5
M 6 6.4 11 0428 6 0429 6
M 7 7.4 12.5 - 0429 7 100/500
M 8 8.4 15 0428 8 0429 8
M 10 10.5 18 0428 10 0429 10
M 12 12.5 20.5 0428 12 0429 12

AUS. pub. 01/14 ©

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