At Ananka Fasteners Pvt Ltd, we manufacture fasteners to the dimensional requirements of ISO 10642. Hexagon socket countersunk (flat) head cap screws, metric coarse thread (equivalent to DIN 7991). 90-degree countersunk head with internal hex drive for flush seating. Input note ‘Hexalobular / Socket CSK’: ISO 10642 is the hex-socket version; the hexalobular (Torx) equivalent is ISO 14582.
Hexagon socket countersunk (flat) head cap screws, metric coarse thread (equivalent to DIN 7991). 90-degree countersunk head with internal hex drive for flush seating. Input note ‘Hexalobular / Socket CSK’: ISO 10642 is the hex-socket version; the hexalobular (Torx) equivalent is ISO 14582.
Hexagon socket countersunk head screw
Key dimensions for common sizes are listed below.
| Thread d | Pitch (mm) | Head dia dk (mm) | Head height k (mm) | Hex socket s (mm) |
|---|---|---|---|---|
| M3 | 0.5 | 6.72 | 1.86 | 2.0 |
| M4 | 0.7 | 8.96 | 2.48 | 2.5 |
| M5 | 0.8 | 11.20 | 3.10 | 3.0 |
| M6 | 1.0 | 13.44 | 3.72 | 4.0 |
| M8 | 1.25 | 17.92 | 4.96 | 5.0 |
| M10 | 1.5 | 22.40 | 6.20 | 6.0 |
| M12 | 1.75 | 26.88 | 7.44 | 8.0 |
| M16 | 2.0 | 33.60 | 8.80 | 10.0 |
| M20 | 2.5 | 40.32 | 10.16 | 12.0 |
6g (external)
[‘DIN 7991’, ‘ISO 4762’, ‘ISO 14581’, ‘ISO 14582’]
For the official ISO standards catalogue, see the ISO standards listing. This external reference is provided for standards identification; the purchaser should verify the current edition applicable to the order.
We produce ISO 10642 fasteners in carbon and alloy steel, austenitic, duplex and super-duplex stainless, and high-nickel, titanium and copper alloys — for structural, flanged, machinery and process applications worldwide.
For technical documentation and quotations, buyers can also review the Ananka Fasteners manufacturing and supply range or contact the team through the fastener enquiry and technical support page.
Ananka Fasteners supplies every lot with full material traceability and third-party testing on request.
Hexagon socket countersunk (flat) head cap screws, metric coarse thread (equivalent to DIN 7991). 90-degree countersunk head with internal hex drive for flush seating. Input note ‘Hexalobular / Socket CSK’: ISO 10642 is the hex-socket version; the hexalobular (Torx) equivalent is ISO 14582.
Ananka Fasteners manufactures ISO 10642 in sizes from M3–M20. See the Dimensional Table above for the complete size breakdown.
6g (external)
We produce ISO 10642 fasteners in carbon and alloy steel, austenitic, duplex and super-duplex stainless, and high-nickel, titanium and copper alloys — for structural, flanged, machinery and process applications worldwide.
Yes. For a quotation, provide the required nominal size, material grade, quantity and any inspection or certificate requirements.
Need a fastener manufactured to ISO 10642 for an industrial project? Send the required fastener type, size, material grade, quantity and certification requirements to Ananka Fasteners. Our team can review the requirement and provide technical and commercial information for standard or custom configurations.
Recommended RFQ details: ISO 10642 requirement, nominal size, material grade, quantity, inspection requirements and EN 10204 certificate requirements where applicable.
Dimensions compiled per ISO 10642 and industry references; provided for reference only — confirm against the current edition of the standard before design use.
