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Nuts · Nyloc Lock Nuts

Nyloc Lock Nuts — DIN 985 / ISO 7040

Nyloc Lock Nuts to DIN 985 / ISO 7040. Full dimensional table, materials, finishes and quotation. 13 sizes listed.

Technical Drawing

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

Nyloc Lock Nuts (DIN 985 / ISO 7040) are a type of nuts used across industrial assembly. Below is the complete size table together with material, standard and application guidance.

What Are Nyloc Lock Nuts?

Nyloc Lock Nuts are nuts defined by DIN 985 / ISO 7040. 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 985 / ISO 7040)

Size Pitch (mm) Width across flats s (mm) Width across corners e min (mm) Total height m (mm) Metal height (mm) Reference standard Notes
M3 0.5 5.5 6.01 4.0 2.4 DIN 985 / ISO 7040 With nylon insert, single use
M4 0.7 7.0 7.66 5.0 3.2 DIN 985 / ISO 7040 With nylon insert, single use
M5 0.8 8.0 8.79 5.0 3.7 DIN 985 / ISO 7040 With nylon insert, single use
M6 1.0 10.0 11.05 6.0 4.7 DIN 985 / ISO 7040 With nylon insert, single use
M8 1.25 13.0 14.38 8.0 6.14 DIN 985 / ISO 7040 With nylon insert, single use
M10 1.5 16.0 17.77 10.0 8.04 DIN 985 / ISO 7040 With nylon insert, single use
M12 1.75 18.0 20.03 12.0 9.64 DIN 985 / ISO 7040 With nylon insert, single use
M14 2.0 21.0 23.36 14.0 11.0 DIN 985 / ISO 7040 With nylon insert, single use
M16 2.0 24.0 26.75 16.0 13.0 DIN 985 / ISO 7040 With nylon insert, single use
M20 2.5 30.0 32.95 20.0 16.0 DIN 985 / ISO 7040 With nylon insert, single use
M24 3.0 36.0 39.55 22.0 19.0 DIN 985 / ISO 7040 With nylon insert, single use
M30 3.5 46.0 50.85 25.0 24.0 DIN 985 / ISO 7040 With nylon insert, single use
M36 4.0 55.0 60.79 29.0 29.0 DIN 985 / ISO 7040 With nylon insert, single use

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

Nyloc Lock 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 Nyloc Lock Nuts

Tell us the size, material, finish and quantity you need for Nyloc Lock Nuts (DIN 985 / ISO 7040) and our team will respond within one business day.

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Specification
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Frequently Asked Questions

What standard do Nyloc Lock Nuts conform to?

Nyloc Lock Nuts are manufactured to DIN 985 / ISO 7040. The dimensional values on this page follow that standard.

What sizes are available for Nyloc Lock Nuts?

The table on this page lists 13 sizes, ranging from M3 to M36. Other sizes can be quoted on request.

What materials and finishes are Nyloc Lock 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 Nyloc Lock 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.