NCCER Fastening (30104) Threaded fasteners and mechanical joints anchor everything from residential framing to industrial machinery. Before this exam, you’ll need solid grounding in bolt grades, torque specifications, and the chemistry behind corrosion-resistant coatings. Understand why a Grade 8 bolt behaves differently under load than Grade 5, and how improper installation sabotages structural integrity. The 30104 assessment rewards candidates who arrive prepared with practical knowledge of fastener selection across diverse applications.
| Exam Name | NCCER Fastening |
| Exam Code | 30104 |
| Format | PDF & Practice Test Engine |
| Target Year | 2026 Updated |
| Features | 100% Verified Q&As |
