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.
- 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
- Dense fiber-cement board to wood