Socket Head Bolts KN-912
DIN 912 / ISO 4762 Socket Head Cap Screw (12.9)
- Standard
- DIN 912 / ISO 4762
- Thread size
- M3 – M36
- Length range
- 6 – 200 mm
DIN 7991 / ISO 10642 Countersunk Socket Screw
Socket Head Bolts
KN-7991
Socket Head Bolts Product Code: KN-7991
DIN 7991 / ISO 10642 Countersunk Socket Screw
90° countersunk, class 10.9 socket screw for flush mounting.
- Standard
- DIN 7991 / ISO 10642
- Thread size
- M3 – M20
- Length range
- 8 – 100 mm
- Strength class
- 10.9 / A2-70
- M3 – M20, 8 – 100 mm
- Class 10.9, black oxide or galvanized
- 90° countersink angle
- Socket resistant to wear
- Stainless A2-70 option
Catalogs, Price Lists and Certificates
General Product Catalog 2026 Anchor Systems Catalog DIN – ISO Cross-Reference Table
| Feature | KN-7991 |
|---|---|
| Standard | DIN 7991 / ISO 10642 |
| Thread size | M3 – M20 |
| Length range | 8 – 100 mm |
| Strength class | 10.9 / A2-70 |
| Coating | Black oxide, electro-zinc |
| Packaging | Carton: 100 – 1,000 pcs |
DIN 7991 screws are chosen where assembly must not protrude from the part surface, such as guideways, mold plates and furniture connections. The 90° countersunk angle preserves centering and surface integrity.
Key features
- M3 – M20, 8 – 100 mm
- Class 10.9, black oxide or galvanized
- 90° countersink angle
- Socket resistant to wear
- Stainless A2-70 option
Standard sizes ship from stock the same day; special lengths and coatings take 10-15 business days. Every lot comes with an EN 10204 3.1 certificate. Use the sample request form to ask for up to 50 free samples.
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