Skip to content
Request a Quote

Screws · Countersunk Socket Screws

Countersunk Socket Screws — ISO 10642 / DIN 7991

Countersunk Socket Screws to ISO 10642 / DIN 7991. Full dimensional table, materials, finishes and quotation. 11 sizes listed.

Technical Drawing

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

Countersunk Socket Screws (ISO 10642 / DIN 7991) are a type of screws used across industrial assembly. Below is the complete size table together with material, standard and application guidance.

What Are Countersunk Socket Screws?

Countersunk Socket Screws are screws defined by ISO 10642 / DIN 7991. 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 10642 / DIN 7991)

Size Pitch (mm) Head diameter dk (mm) Head height k (mm) Hex key s (mm) Countersink angle (deg) Reference standard
M3 0.5 6.72 1.86 2.0 90 ISO 10642 / DIN 7991
M4 0.7 8.96 2.48 2.5 90 ISO 10642 / DIN 7991
M5 0.8 11.2 3.1 3.0 90 ISO 10642 / DIN 7991
M6 1.0 13.44 3.72 4.0 90 ISO 10642 / DIN 7991
M8 1.25 17.92 4.96 5.0 90 ISO 10642 / DIN 7991
M10 1.5 22.4 6.2 6.0 90 ISO 10642 / DIN 7991
M12 1.75 26.88 7.44 8.0 90 ISO 10642 / DIN 7991
M14 2.0 30.0 8.4 10.0 90 ISO 10642 / DIN 7991
M16 2.0 33.6 9.3 10.0 90 ISO 10642 / DIN 7991
M20 2.5 40.32 11.2 12.0 90 ISO 10642 / DIN 7991
M24 3.0 47.04 13.0 14.0 90 ISO 10642 / DIN 7991

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

Machine assembly, tooling, enclosures and precision equipment where a clean, controllable drive and head form are needed.

Related Fasteners

Pricing

Countersunk Socket Screws are stocked and supplied to order. Pricing starts from approximately US$0.050 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 Countersunk Socket Screws

Tell us the size, material, finish and quantity you need for Countersunk Socket Screws (ISO 10642 / DIN 7991) and our team will respond within one business day.

Request a Quotation

Specification
Business Information

Frequently Asked Questions

What standard do Countersunk Socket Screws conform to?

Countersunk Socket Screws are manufactured to ISO 10642 / DIN 7991. The dimensional values on this page follow that standard.

What sizes are available for Countersunk Socket Screws?

The table on this page lists 11 sizes, ranging from M3 to M24. Other sizes can be quoted on request.

What materials and finishes are Countersunk Socket Screws 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 Countersunk Socket Screws?

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.