At Ananka Fasteners Pvt Ltd, we manufacture fasteners to the dimensional requirements of DIN 404. DIN 404 covers slotted capstan screws: a cylindrical-head screw with a driving slot plus two (or four) small cross holes in the head for a tommy/pin bar. Used mainly in electrical and precision engineering where a pin wrench allows tightening in confined spaces. Note: DIN 404 is a screw, not a nut.
DIN 404 covers slotted capstan screws: a cylindrical-head screw with a driving slot plus two (or four) small cross holes in the head for a tommy/pin bar. Used mainly in electrical and precision engineering where a pin wrench allows tightening in confined spaces. Note: DIN 404 is a screw, not a nut.
Slotted capstan (cheese head) screw with side pin holes
Key dimensions for common sizes are listed below.
| Thread Size | Head Dia dk (mm) | Head Height k (mm) | Slot Width n (mm) | Slot Depth t (mm) | Side Hole d (mm) |
|---|---|---|---|---|---|
| M2 | 3.8 | 3.0 | 0.7 | 1.0 | 1.2 |
| M2.5 | 4.5 | 3.5 | 0.8 | 1.1 | 1.2 |
| M3 | 5.5 | 4.0 | 1.0 | 1.4 | 1.5 |
| M4 | 7.0 | 5.0 | 1.4 | 1.85 | 2.0 |
| M5 | 8.5 | 6.5 | 1.7 | 2.25 | 2.5 |
| M6 | 10.0 | 8.0 | 2.2 | 2.8 | 3.0 |
| M8 | 13.0 | 10.0 | 2.7 | 3.6 | 4.0 |
| M10 | 16.0 | 12.5 | 3.5 | 4.55 | 5.0 |
6g external metric thread (ISO 965)
Related and equivalent standards include DIN 84 (slotted cheese head screw), DIN 27160 and ISO 1207.
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 404 fasteners in carbon and alloy steel, austenitic and duplex stainless, and high-nickel, titanium and copper alloys — for structural, 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.
DIN 404 covers slotted capstan screws: a cylindrical-head screw with a driving slot plus two (or four) small cross holes in the head for a tommy/pin bar. Used mainly in electrical and precision engineering where a pin wrench allows tightening in confined spaces. Note: DIN 404 is a screw, not a nut.
Ananka Fasteners manufactures DIN 404 in sizes from M2–M10. See the Dimensional Table above for the complete size breakdown.
6g external metric thread (ISO 965)
We produce DIN 404 fasteners in carbon and alloy steel, austenitic and duplex stainless, and high-nickel, titanium and copper alloys — for structural, 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 404 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 404 requirement, nominal size, material grade, quantity, inspection requirements and EN 10204 certificate requirements where applicable.
Dimensions compiled per DIN 404 and industry references; provided for reference only — confirm against the current edition of the standard before design use.
