





🔧 Hook into strength and reliability—don’t get left hanging!
The National Hardware N221-697 3/8" x 7" Hook Bolt is a zinc-plated steel fastener designed for versatile home, farm, and industrial applications. With a safe working load of 135 lbs and corrosion-resistant finish, it offers durable, weatherproof performance. Easy to install with included hex nuts, this hook bolt combines trusted quality and practical strength for all your fastening needs.












| Color | Zinc plated |
| Exterior Finish | Zinc |
| Head Style | Hex |
| Manufacturer Grade | National Hardware |
| Material | Plastic |
| Thread Size | 3/8 |
R**T
They work as expected
They work as expected
C**A
Perfect
Good price, worked well!
M**N
Works as adverised
Garage door spring
J**N
Five Stars
works as intended, when your local hardware store is out, I have no problem ordering these again
L**L
Worked for the fix but got bent
Bent a little under a good amount of pressure admittingly, but I thought it should have been sturdier.
Trustpilot
2 months ago
1 week ago