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Hex Flange Nuts — ISO 4161 / DIN 6923

Hex Flange Nuts to ISO 4161 / DIN 6923. Full dimensional table, materials, finishes and quotation. 9 sizes listed.

Technical Drawing

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

Manufactured to ISO 4161 / DIN 6923, Hex Flange Nuts are nuts supplied by engineeringhardware.com. The dimensional data, materials and selection notes are summarized here.

What Are Hex Flange Nuts?

Hex Flange Nuts are nuts defined by ISO 4161 / DIN 6923. 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 (ISO 4161 / DIN 6923)

Size Pitch (mm) Flange diameter dc (mm) Nut height m (mm) Width across flats s (mm) Reference standard
M5 0.8 11.8 5.0 8.0 ISO 4161 / DIN 6923
M6 1.0 14.2 6.0 10.0 ISO 4161 / DIN 6923
M8 1.25 17.9 8.0 13.0 ISO 4161 / DIN 6923
M10 1.5 21.8 10.0 15.0 ISO 4161 / DIN 6923
M12 1.75 26.0 12.0 18.0 ISO 4161 / DIN 6923
M14 2.0 29.9 14.0 21.0 ISO 4161 / DIN 6923
M16 2.0 34.5 16.0 24.0 ISO 4161 / DIN 6923
M20 2.5 42.8 20.0 30.0 ISO 4161 / DIN 6923
M24 3.0 51.1 24.0 36.0 ISO 4161 / DIN 6923

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

Paired with bolts and studs across machinery, structures and equipment; lock variants resist loosening under vibration.

Related Fasteners

Pricing

Hex Flange Nuts are stocked and supplied to order. Pricing starts from approximately US$0.040 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 Hex Flange Nuts

Tell us the size, material, finish and quantity you need for Hex Flange Nuts (ISO 4161 / DIN 6923) and our team will respond within one business day.

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Specification
Business Information

Frequently Asked Questions

What standard do Hex Flange Nuts conform to?

Hex Flange Nuts are manufactured to ISO 4161 / DIN 6923. The dimensional values on this page follow that standard.

What sizes are available for Hex Flange Nuts?

The table on this page lists 9 sizes, ranging from M5 to M24. Other sizes can be quoted on request.

What materials and finishes are Hex Flange Nuts 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 Hex Flange Nuts?

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.