This structural screw is used for fastening wood to hot-rolled steel (maximum recommended thickness: 1/4"). It features a flat head with nibs for easy countersinking.

Features

• Flat head with nibs for easy countersinking
• #3 Square drive (driver bit in each box; replacement bit model BIT3S-2-R2; use BIT3SU-2-RC3 for mechanically galvanized — N2000®)
• #4 Drill point with wings
• Installation Guidelines: Maximum recommended thickness up to 1/4"

1.5M pcs/ctn