ISO 7042 — Prevailing Torque Type All-Metal Hexagon Nuts
Standard: ISO 7042
ISO 7042 defines metric all-metal prevailing torque nuts — the heat-resistant lock nuts with deformed threads, for use where nylon cannot survive.
What It Covers
- All-metal lock nut design
- Property classes 5, 8, 10, 12
- Prevailing torque requirements
- High-temperature service