At Ananka Fasteners Pvt Ltd, we manufacture fasteners to the dimensional requirements of DIN 438. Slotted set (grub) screws with cup point. Headless, fully threaded screws driven by a straight slot, with a concave cup point that bites into the mating surface for high holding/locating force. Sizes M3 through M12.
Slotted set (grub) screws with cup point. Headless, fully threaded screws driven by a straight slot, with a concave cup point that bites into the mating surface for high holding/locating force. Sizes M3 through M12.
Slotted set screw (cup point)
Key dimensions for common sizes are listed below.
| Nominal Size (M) | Thread Pitch (mm) | Slot Width n (mm) | Slot Depth t (mm) | Cup Point Dia dz (mm) |
|---|---|---|---|---|
| M3 | 0.50 | 0.4 | 0.8 | 1.4 |
| M4 | 0.70 | 0.6 | 1.12 | 2.0 |
| M5 | 0.80 | 0.8 | 1.28 | 2.5 |
| M6 | 1.00 | 1.0 | 1.6 | 3.0 |
| M8 | 1.25 | 1.2 | 2.0 | 5.0 |
| M10 | 1.50 | 1.6 | 2.4 | 6.0 |
| M12 | 1.75 | 2.0 | 2.8 | 8.0 |
6g (external metric coarse)
DIN 916 / ISO 4029 (hex socket cup point), ISO 7436, DIN 551 (flat point), DIN 553 (cone point)
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 438 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.
Slotted set (grub) screws with cup point. Headless, fully threaded screws driven by a straight slot, with a concave cup point that bites into the mating surface for high holding/locating force. Sizes M3 through M12.
Ananka Fasteners manufactures DIN 438 in sizes from M3–M12. See the Dimensional Table above for the complete size breakdown.
6g (external metric coarse)
We produce DIN 438 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 438 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 438 requirement, nominal size, material grade, quantity, inspection requirements and EN 10204 certificate requirements where applicable.
Dimensions compiled per DIN 438 and industry references; provided for reference only — confirm against the current edition of the standard before design use.
