Excellent for fastening underlayment to wood, the MTH Wood Screw from Simpson Strong-Tie makes smoother work of underlayment-to-subfloor installations. This particular screw (Item #MTH114S) is sized #7 x 1-1/4", with a #2 square drive. The screw features high/low threads and a trim head with nibs. This unique threading prevents squeaks and pullouts, while the trim head allows for a flush surface. MTH underlayment screw are compatible with theQuik Drive PRO200 Drywall Systemand the PRO200S Multi-Purpose System.
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