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Washers · Serrated Lock Washers

Serrated Lock Washers — DIN 6798

Serrated Lock Washers to DIN 6798. Full dimensional table, materials, finishes and quotation. 18 sizes listed.

Technical Drawing

Select a size to view the dimensioned line drawing. Annotations update automatically from the selected dimensions.

Serrated Lock Washers (DIN 6798) are a type of washers used across industrial assembly. Below is the complete size table together with material, standard and application guidance.

What Are Serrated Lock Washers?

Serrated Lock Washers are washers defined by DIN 6798. They are selected by thread size and the dimensional characteristics shown below, and are available in a range of materials and finishes to suit the application and environment.

Dimensions & Specifications (DIN 6798)

For size Inner diameter d1 (mm) Outer diameter d2 (mm) Thickness h (mm) Type Reference standard
M3 3.2 6.0 0.5 Internal-tooth type A DIN 6798 A/J
M4 4.3 7.6 0.5 Internal-tooth type A DIN 6798 A/J
M5 5.3 9.2 0.6 Internal-tooth type A DIN 6798 A/J
M6 6.4 11.0 0.7 Internal-tooth type A DIN 6798 A/J
M8 8.4 14.8 0.8 Internal-tooth type A DIN 6798 A/J
M10 10.5 18.0 0.9 Internal-tooth type A DIN 6798 A/J
M12 13.0 21.5 1.0 Internal-tooth type A DIN 6798 A/J
M16 17.0 27.0 1.2 Internal-tooth type A DIN 6798 A/J
M20 21.0 33.0 1.5 Internal-tooth type A DIN 6798 A/J
M3 3.2 7.0 0.5 External-tooth type J DIN 6798 A/J
M4 4.3 9.0 0.5 External-tooth type J DIN 6798 A/J
M5 5.3 10.0 0.6 External-tooth type J DIN 6798 A/J
M6 6.4 12.0 0.7 External-tooth type J DIN 6798 A/J
M8 8.4 15.0 0.8 External-tooth type J DIN 6798 A/J
M10 10.5 19.0 0.9 External-tooth type J DIN 6798 A/J
M12 13.0 22.0 1.0 External-tooth type J DIN 6798 A/J
M16 17.0 28.0 1.2 External-tooth type J DIN 6798 A/J
M20 21.0 34.0 1.5 External-tooth type J DIN 6798 A/J

Materials & Finishes

Common materials include carbon steel (typically zinc plated or hot-dip galvanized), alloy steel in property classes 8.8, 10.9 and 12.9, and stainless steel A2 (304) or A4 (316) for corrosion resistance. Specify the material, property class and surface finish appropriate to your load and environment.

Typical Applications

Load distribution, surface protection and anti-loosening under bolt and nut heads in virtually all bolted joints.

Related Fasteners

Pricing

Serrated Lock Washers are stocked and supplied to order. Pricing starts from approximately US$0.010 per piece for standard sizes in carbon steel; final pricing depends on size, material, finish and order quantity (MOQ applies). Request a quotation below for your exact specification.

Request a Quotation for Serrated Lock Washers

Tell us the size, material, finish and quantity you need for Serrated Lock Washers (DIN 6798) and our team will respond within one business day.

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Frequently Asked Questions

What standard do Serrated Lock Washers conform to?

Serrated Lock Washers are manufactured to DIN 6798. The dimensional values on this page follow that standard.

What sizes are available for Serrated Lock Washers?

The table on this page lists 18 sizes, ranging from M3 to M20. Other sizes can be quoted on request.

What materials and finishes are Serrated Lock Washers available in?

Common options are carbon steel (zinc plated or hot-dip galvanized), alloy steel in property classes 8.8/10.9/12.9, and stainless steel A2 (304) or A4 (316). Specify material and finish to suit your load and environment.

How do I request a quote for Serrated Lock Washers?

Use the fastener finder on this page to set the size, material, finish and quantity, then submit the request. A specialist from engineeringhardware.com will reply within one business day.