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ISO7089 M3-M52 Stainless Steel Plain Washers Hardness Class 200 HV-300HV

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Stainless steel flat washer ,ISO7089A

Hardness :200HV-300HV

Size:M3-M52

Output: 150Tons per month

Packing: small box packing or Bulk packing

Material: stainless steel 304,316,A2/A4

Marking: 304 ,316,A2 A4

Washers of hardness class 200 HV are suitable for:

hexagon bolts and screws of product grades A and B in property classes up to and including 8.8;

hexagon nuts of product grades A and B in property classes up to and including 8;

hexagon bolts, screws and nuts of stainless steel of similar chemical composition;

case-hardened thread rolling screws.

Washers of hardness class 300 HV are suitable for

hexagon bolts and screws of product grades A and B in property classes up to and including 10.9;

hexagon nuts of product grades A and B in property classes up to and including 10.

If dimensions other than those listed in this International Standard are required, they should be selected from those

given in ISO 887.

When soft material pieces are clamped, or large clearance holes in the workpiece are used, the user should check

the technical suitability of this type of washer.

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ISO7089 Stainless Steel Plain Washers

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