SAE J995 — Mechanical and Material Requirements for Steel Nuts
Standard: SAE J995
SAE J995 specifies the strength grades for inch-series steel nuts — Grades 2, 5, and 8 — matched to the bolt grades they pair with.
What It Covers
- Grade 2, 5, and 8 nut properties
- Proof load requirements
- Nut and bolt grade matching
- Head and face markings