Crown Bolt 87450 01420 5/16-Inch by 3-1/2-Inch Zinc Plated Steel Hex Head Lag Screws, 100-Pack

• Zinc Plated 5/16-Inch X 3-1/2-Inch Lag Screw Hex Head
• For wood applications
• 5/16-Inch-18 Body Diameter And Thread Pitch
• 3-1/2-Inch Fastener Length
• Zinc Plated Finish

Lag screws are used for directly fastening into wood surfaces. Used with a lag shield, lag screws can be used in masonry applications. The length of a lag screw is measured from the under head bearing surface to the tip of the screw.