The Hillman Group 220202 Grade 8 Hex Cap Screw, 7/16-Inch X 4-1/2-Inch, 25-Pack
[Product Information]- A common feature on a hex cap screw is a washer surface directly under the head which creates a better seal
- An alternative for using them without nuts is to install them directly into a compatible internally threaded hole
- Grade 8 screw
