Wurth 039712 DIN 985 nylon insert lock nuts M12 in A4 marine-grade stainless steel. Pack of 50 pieces. Self-locking nut prevents loosening from vibration. 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 985 |
| Standard size | M12 |
| Approval | DIN/ISO standard, RoHS |
| Standards | ISO standard, DIN 985, ISO 10511, DIN standard |
| Approvals | RoHS |
| HS code | 7318.15 |
| IMPA | 692207 |
| Material | A4 Stainless Steel (AISI 316) |
| Primary standard | DIN 985 |
| Standard size | M12 |
| MOQ | 1 |
DIN standard fastener. Fits any application requiring matching DIN-size hardware; interchangeable with other DIN-compliant brands (Bossard, Fabory, Keller & Kalmbach).