Simpson #9 x 1-5/8 in. Collated Fiber-Cement Board Screw High-Low Thread C-3 Galv 1500-Pk Router Bits w/Knives (1) ASR 35 Auto-Clean Plus

(1) ASR 35 Auto-Clean Plus Hepa All-Purpose Vacuum

Lower Profile Installation: Strong-Drive SDS screws provide a lower profile than standard through bolts

Floor-to-floor holdown applications

Member Size: 3-1/2 in

Bearing Guide Ball-bearing pilot self-guides along the workpiece edge for consistent radius depth without adjustments

Simpson #9 x 1-5/8 in. Collated Fiber-Cement Board Screw High-Low Thread C-3 Galv 1500-Pk Router Bits w/Knives (1) ASR 35 Auto-Clean PlusSimpson CB3BLGHL158S CB3BLGHL Fiber Cement Board Screw (Collated) #9 x 1 5 8 in., #3 Square Undersized Drive, C 3 Mechanically Galvanized, 1,500 Quantity is a Simpson collated screw engineered for cement board to wood applications in coarse, porous, and softer materials. Designed for use with the Quik Drive PROLDHG2 underlayment backerboard system, this high low threaded fastener delivers reliable countersinking for a clean, concealed finish on every