Wurth 00971240-A4-25 DIN 912 socket head cap screws M12x40mm in A4 marine-grade stainless steel. Pack of 25 pieces. Heavy-duty fastener for marine machinery. Used in general machinery assembly, structural steelwork and pressure-boundary flanged joints per DIN, ISO and ASME B18 dimensional standards.
| Material | A4 Stainless Steel (AISI 316) |
| Standard | DIN 912 |
| Standard size | M12x40 |
| Approval | DIN 912, ISO 4762, ISO 898-1 Grade 12.9, RoHS |
| Standards | DIN 912, ISO 4762, ISO 898-1, DIN standard |
| Approvals | RoHS |
| HS code | 7318.15 |
| IMPA | 693507 |
| Material | A4 Stainless Steel (AISI 316) |
| Primary standard | DIN 912 |
| Standard size | M12x40 |
| MOQ | 1 |
DIN standard fastener. Fits any application requiring matching DIN-size hardware; interchangeable with other DIN-compliant brands (Bossard, Fabory, Keller & Kalmbach).