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

• 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
• Straight collation
• Size: #9 x 1-5/8 in.
• Quantity: 1,500

The CB3BLGHL is designed for cement-board-to-wood applications (for coarse, porous, and softer materials). This collated screw is used with the Quik Drive PROLDHG2 underlayment/backerboard system. The coarse-threaded CB3BLG screw features a design ideal for countersinking to provide a clean, concealed finish.

• 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
• Straight collation
• Size: #9 x 1-5/8 in.
• Quantity: 1,500