Simpson XM Medium-Head Metal Screw #12 x 1-1/4 in. 5/16 Hex Collated 1500-Pack ABU Adjustable Post Base with Uplift Radius: 1/16"

Radius: 1/16"

Annular-ring shank design - increases withdrawal resistance compared to smooth-shank nails

Top-supported structural post installations requiring an elevated standoff

650" head diameter - large bearing surface distributes clamping load across a wider area

with a 2 in

Simpson XM Medium-Head Metal Screw #12 x 1-1/4 in. 5/16 Hex Collated 1500-Pack ABU Adjustable Post Base with Uplift Radius: 1/16"The Simpson Strong Drive XM Medium Head Metal Screw (#12 x 1 1 4 in., Model XMQ114S1224) is a collated fastener engineered for attaching steel decking to structural members in both wide and narrow valley, nestable, and interlocking steel decking applications. These screws are load tested and code listed, allowing you to achieve maximum load values during installation. Comparison testing demonstrates that Strong Drive XM Medium Head Metal screws