At Ananka Fasteners Pvt Ltd, we manufacture fasteners to the dimensional requirements of ISO 1479. ISO 1479 covers hexagon head tapping screws (equivalent to DIN 7976), with a hardened tapping-screw thread (ISO 1478 ST series) and an integral hex head, often with a captive washer face. Sizes ST2.9 to ST9.5.
ISO 1479 covers hexagon head tapping screws (equivalent to DIN 7976), with a hardened tapping-screw thread (ISO 1478 ST series) and an integral hex head, often with a captive washer face. Sizes ST2.9 to ST9.5.
Hexagon head tapping screw
Key dimensions for common sizes are listed below.
| Thread ST | Width across flats s (mm) | Head height k (mm) |
|---|---|---|
| ST2.9 | 5.0 | 2.0 |
| ST3.5 | 5.5 | 2.1 |
| ST4.2 | 7.0 | 3.0 |
| ST4.8 | 8.0 | 3.8 |
| ST5.5 | 8.0 | 3.8 |
| ST6.3 | 10.0 | 4.65 |
| ST8 | 13.0 | 6.0 |
| ST9.5 | 16.0 | 7.5 |
Tapping-screw thread per ISO 1478 (ST series)
[‘DIN 7976’, ‘ISO 1478’, ‘ISO 7053’, ‘ISO 1481’]
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 1479 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.
ISO 1479 covers hexagon head tapping screws (equivalent to DIN 7976), with a hardened tapping-screw thread (ISO 1478 ST series) and an integral hex head, often with a captive washer face. Sizes ST2.9 to ST9.5.
Ananka Fasteners manufactures ISO 1479 in sizes from ST2.9–ST9.5. See the Dimensional Table above for the complete size breakdown.
Tapping-screw thread per ISO 1478 (ST series)
We produce ISO 1479 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 1479 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 1479 requirement, nominal size, material grade, quantity, inspection requirements and EN 10204 certificate requirements where applicable.
Dimensions compiled per ISO 1479 and industry references; provided for reference only — confirm against the current edition of the standard before design use.
