At Ananka Fasteners Pvt Ltd, we manufacture fasteners to the dimensional requirements of ISO 15482. Cross-recessed countersunk (flat) head self-drilling screws with tapping-screw thread and integral drill point, 90-degree head, equivalent to DIN 7504 form O/P, sizes ST3.5 to ST6.3. Head geometry matches ISO 7050.
Cross-recessed countersunk (flat) head self-drilling screws with tapping-screw thread and integral drill point, 90-degree head, equivalent to DIN 7504 form O/P, sizes ST3.5 to ST6.3. Head geometry matches ISO 7050.
Countersunk (flat) head self-drilling screw (drill point)
Key dimensions for common sizes are listed below.
| Nominal size ST | Pitch P (mm) | Head dia dk max (mm) | Head height k (mm) | Cross recess no. | Drill capacity (mm) |
|---|---|---|---|---|---|
| ST3.5 | 1.3 | 6.8 | 2.1 | No.2 | 0.7-2.5 |
| ST3.9 | 1.3 | 7.5 | 2.3 | No.2 | 0.7-3.0 |
| ST4.2 | 1.4 | 8.1 | 2.5 | No.2 | 1.0-4.0 |
| ST4.8 | 1.6 | 9.5 | 3.0 | No.2 | 1.75-5.25 |
| ST5.5 | 1.8 | 10.8 | 3.4 | No.3 | 2.0-6.0 |
| ST6.3 | 1.8 | 12.4 | 3.8 | No.3 | 3.0-6.0 |
Tapping-screw thread per ISO 1478 (ST series); drill point per ISO 15482
[‘DIN 7504’, ‘ISO 15481’, ‘ISO 7050’, ‘ISO 14586’]
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 15482 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.
Cross-recessed countersunk (flat) head self-drilling screws with tapping-screw thread and integral drill point, 90-degree head, equivalent to DIN 7504 form O/P, sizes ST3.5 to ST6.3. Head geometry matches ISO 7050.
Ananka Fasteners manufactures ISO 15482 in sizes from ST3.5–ST6.3. See the Dimensional Table above for the complete size breakdown.
Tapping-screw thread per ISO 1478 (ST series); drill point per ISO 15482
We produce ISO 15482 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 15482 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 15482 requirement, nominal size, material grade, quantity, inspection requirements and EN 10204 certificate requirements where applicable.
Dimensions compiled per ISO 15482 and industry references; provided for reference only — confirm against the current edition of the standard before design use.
