Simpson CBSDQ138S Collated Sheathing-to-CFS Screw #10 x 1-3/8" Ribbed Flat Head #2 Sq Drive 1500-Pk Self-Drilling X Metal Screw (Collated) and other engineered wood products

and other engineered wood products in most situations

250 BPM to drive through concrete and similar materials

Important Installation Note: Install with 1/4" x 2-1/2" Strong-Drive SDS Heavy-Duty Connector screws

an exclusive Accu-Fence system

Simpson CBSDQ138S Collated Sheathing-to-CFS Screw #10 x 1-3/8" Ribbed Flat Head #2 Sq Drive 1500-Pk Self-Drilling X Metal Screw (Collated) and other engineered wood productsSimpson Strong Tie CBSDQ138S CBSDQ Sheathing to CFS Screw (Collated) #10 x 1 3 8 in. #2 Square Undersized (1500 Qty) is a professional grade collated fastener engineered by Simpson Strong Tie to securely attach various sheathing materials to cold formed steel (CFS) framing. Its self drilling point drives into materials easily while the ribbed flat head with nibs countersinks flush to the surface for a smooth, clean finish. Collated in a curved strip