5/16-9x1-1/2" Hex Lag Screws A307 Grade A Zinc

Part Number: HLB2Z31D150
Diameter/Pitch: 5/16"-9
Length Under Head: 1-1/2"
Grade: Grade A
Finish: Zinc Clear
Partial / Full Threads: Full
Wrench Size: 1/2"
Recommended Predrill Hole Size: Softwood: 15/64" | Hardwood: 1/4"