Simpson Strong-Tie CB3BLGHL158S CB3BLGHL Fiber-Cement Board Screw (Collated)— 9 x 1-5/8 in. 3 SQU (1500-Qty)

Product description

• 0.375-in. ribbed wafer head with nibs for easy countersinking
• #3 undersized square drive (2 driver bits in each box; replacement bit model BIT3SU)
• Alternating high-low threads
• Sharp point
• C-3 mechanically galvanized coating