At Ananka Fasteners Pvt Ltd, we manufacture fasteners to the dimensional requirements of DIN 1587. Hexagon domed (acorn / cap / dome) nuts, high type, without insert. A closed-dome nut that caps and protects the bolt thread end and gives a finished appearance. Locking is by torque only (no nylon element). Thread M4-M20, coarse pitch.
Hexagon domed (acorn / cap / dome) nuts, high type, without insert. A closed-dome nut that caps and protects the bolt thread end and gives a finished appearance. Locking is by torque only (no nylon element). Thread M4-M20, coarse pitch.
hexagon domed cap nut (all-metal)
Key dimensions for common sizes are listed below.
| Size | Width across flats s (mm) | Width across corners e (mm) | Total height h (mm) |
|---|---|---|---|
| M4 | 7 | 7.66 | 8.0 |
| M5 | 8 | 8.79 | 10.0 |
| M6 | 10 | 11.05 | 12.0 |
| M8 | 13 | 14.38 | 15.0 |
| M10 | 16 | 17.77 | 18.0 |
| M12 | 18 | 20.03 | 22.0 |
| M16 | 24 | 26.75 | 28.0 |
| M20 | 30 | 32.95 | 34.0 |
6H
[‘DIN 986’, ‘DIN 917’, ‘DIN 1587 low type’, ‘DIN 934’]
For the official DIN standards catalogue, see the DIN standards listing. This external reference is provided for standards identification; the purchaser should verify the current edition applicable to the order.
We produce DIN 1587 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 domed (acorn / cap / dome) nuts, high type, without insert. A closed-dome nut that caps and protects the bolt thread end and gives a finished appearance. Locking is by torque only (no nylon element). Thread M4-M20, coarse pitch.
Ananka Fasteners manufactures DIN 1587 in sizes from M4–M20. See the Dimensional Table above for the complete size breakdown.
6H
We produce DIN 1587 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 DIN 1587 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: DIN 1587 requirement, nominal size, material grade, quantity, inspection requirements and EN 10204 certificate requirements where applicable.
Dimensions compiled per DIN 1587 and industry references; provided for reference only — confirm against the current edition of the standard before design use.
