Underlayment & Fiber Cement Screws - MTH, CB3BLG, CB3BLGHL & CBSDQ Series Screws

Simpson Strong-Tie engineers MTH, CB3BLG, CB3BLGHL & CBSDQ series screws for underlayment and fiber cement fastening jobs. These screws prove ideal for fastening wood underlayment to wood, dense fiber-cement board to wood, and various sheathing materials to cold-formed-steel. Collated underlayment & fiber cement screws from Strong-Tie come in a variety of finishes, head and point types for improved efficiency and ease of installation. These screws are compatible with the Quik Drive® PRO200SG2, PRO250G2 & PRO300SG2. Shop our selection today.