Item Specifications
- Size 5/16"-18 x 3-1/2"
- Head Style Round
- Head Diameter 0.719"
- Head Height 0.176"
- Inch / Metric Inch
- Thread Size 5/16"-18
- Thread Dia. 0.3125"
- Thread Class Class 2A
- Coarse / Fine Coarse
- Threads Per Inch (TPI) 18
- Thread Coverage Full Thread
- Length 3-1/2"
- Thread Length Dec. 3.5"
- Material Steel
- Material Type Hot Dip Galvanized Steel
- Grade Grade 307A
- Finish Hot Dip Galvanized
- Specification 1 ASTM : A307
- Specification 2 ASTM : A153
- Specification 3 ASME : B18.5
- Tensile Strength 60,000 PSI
- Core Hardness Rockwell B69
- Item Type Bolts
