Simpson CBSDQ Sheathing-to-CFS Collated Screw #8 x 1-5/8" Ribbed Flat Head #2 Square Drive 1500-Pk APB Adjustable Post Base while the extended seat provides

while the extended seat provides additional bearing surface area beyond each side of the column to effectively distribute beam loads and support the connection

This column cap requires 1/4" x 2 1/2" Strong-Drive SDS Heavy-Duty Connector screws installed in all round holes

This core bit features an SDS-Max shank

Diameter 220

Simpson CBSDQ Sheathing-to-CFS Collated Screw #8 x 1-5/8" Ribbed Flat Head #2 Square Drive 1500-Pk APB Adjustable Post Base while the extended seat providesSimpson Strong Tie CBSDQ158S CBSDQ Sheathing to CFS Screw (Collated) #8 x 1 5 8 in., #2 Square Undersized, 1500 Pack is engineered by Simpson Strong Tie to securely fasten 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 surfaces for a smooth, professional finish. Collated for use with the Quik Drive auto feed screw driving