The CB3BLG is designed for dense fiber-cement-to-wood applications. 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.

Features

• 0.375" Ribbed wafer head with nibs for easy countersinking
• #3 undersized square drive (driver bit in each box; replacement bit model BIT3SU)
• Coarse threads
• Type-17 point
• C-3 mechanically galvanized coating
• Straight collation

1.5M pcs/ctn