Simpson HWDC3.37-KT25 Head-Of-Wall Drift-Clip Connector, Pkg 25 BA I-Joist & SCL Hangers The cutting threads drive directly

The cutting threads drive directly into pre-drilled holes

The step-shank pin

light-profile design for tight framing conditions

Crafted of 410 stainless steel with a self-drilling point

The OU812 hanger features a flat black powder-coated finish which produces a much more durable and better looking finish than standard paint

Simpson HWDC3.37-KT25 Head-Of-Wall Drift-Clip Connector, Pkg 25 BA I-Joist & SCL Hangers The cutting threads drive directlyThe Simpson Strong Tie head of wall drift clip connector (HWDC) is used to secure the head of a wall to the bottom of a slab or beam. The unique design allows anchor screws to be installed closer to the bend, providing a stronger and stiffer connection while also allowing horizontal and vertical movement during seismic and high wind events. HWDC connectors are an optimal solution for adding strength to window or door jambs at head of wall connections