Simpson XL Large-Head Metal Screw #12 x 1-1/4 in. 5/16 Hex Washer Head Collated 1000-Pk Threaded Rod with Strong-Drive SDS Screws is

with Strong-Drive SDS Screws is an engineered structural connector from Simpson Strong-Tie designed to reinforce vertical studs that have been notched or drilled during construction - most commonly to accommodate plumbing waste lines

and panels including HardiePlank

The CMST14 features a G90 zinc galvanized coating

What drive bit is needed for this screw

Simpson XL Large-Head Metal Screw #12 x 1-1/4 in. 5/16 Hex Washer Head Collated 1000-Pk Threaded Rod with Strong-Drive SDS Screws isThe Simpson Strong Drive XL Large Head Metal Screw (#12 x 1 1 4 in., Model XLQ114T1224) is a load tested, code listed collated fastener engineered to deliver maximum load values in demanding structural applications. Designed specifically for high shear and uplift resistance, these screws serve as excellent one for one replacements for pins in cold formed steel framing and steel to structural steel connections. Belt collated for use with an auto feed