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7/16-20 UNF UNF bolt size
5/8 wrench
wrench size for 7/16-20 UNF UNF bolt
7/16-20 UNF UNF bolt — Automotive, aerospace.
Full specification
| System | Imperial UNF (fine) |
| Nominal diameter | 0.4375 in (11.11 mm) |
| Thread pitch | 20 TPI |
| Wrench size | 5/8 |
| Tap drill | 13/32 (10.3 mm) |
| Clearance hole | 29/64 |
| Common grade / class | Grade 5 |
| Typical torque | 70 Nm (51.6 ft·lb) |
🔧 Torque unit converter
Pre-filled with typical torque for 7/16-20 UNF (Grade 5).
About 7/16-20 UNF UNF bolts
Automotive, aerospace.
UNF (Unified National Fine) thread has more threads per inch than UNC (coarse). 7/16-20 UNF has 20 threads per inch.
Fine threads provide better vibration resistance and finer adjustment, commonly used in automotive and aerospace applications.
Frequently asked questions
- What size wrench fits 7/16-20 UNF bolt?
- 7/16-20 UNF bolt uses a 5/8 wrench.
- What is the torque for 7/16-20 UNF bolt?
- Typical torque for 7/16-20 UNF UNF bolt in Grade 5 is about 70 Nm (51.6 ft·lb).
- What is UNF thread?
- UNF (Unified National Fine) thread has more threads per inch than UNC. 7/16-20 UNF has 20 TPI.