Simpson #7 x 2-1/4" Tan 03, Trim-Head Screw, 6-Lobe Drive 305 Stainless Steel Self-Drilling X Metal Screw Enhanced Uplift Resistance: Uplift loads

Enhanced Uplift Resistance: Uplift loads have been increased for earthquake or wind loading

which corresponds to standard 4x dimensional lumber framing members

The "undersized" designation refers to the precise geometry of the square recess tip

increasing load capacity even when the hole expands

The Simpson MIT3520 is designed to support standard 90 deg

Simpson #7 x 2-1/4" Tan 03, Trim-Head Screw, 6-Lobe Drive 305 Stainless Steel Self-Drilling X Metal Screw Enhanced Uplift Resistance: Uplift loadsSimpson #7 x 2 1 4" Trim Head Decking Screw in Tan 03 with T15 6 Lobe Drive and Type 305 Stainless Steel is engineered for clean, low profile fastening on composite and PVC deck boards in demanding outdoor and marine environments. From Simpson, a trusted name in structural fastening, these stainless steel trim head screws deliver superior corrosion resistance alongside a refined surface finish making them a go to choice for dock construction,