Simpson BA4.12/9.5 Top-Flange Joist Hanger for Double 2x9-1/2 Engineered Wood 12-Ga G90 Galvanized Heli-Tie Helical Stitching Tie Do I need to predrill

Do I need to predrill before driving these trim screws

This design delivers greater strength compared to single-shear connections and allows for fewer nails overall while maintaining high load values

The Simpson D150 Ready Track Bender is designed to work with 20-gauge and 25-gauge steel

while the inverted upper Tri-Lobe threads clear excess composite material during installation to ensure a clean

Approved for use in preservative-treated wood

Simpson BA4.12/9.5 Top-Flange Joist Hanger for Double 2x9-1/2 Engineered Wood 12-Ga G90 Galvanized Heli-Tie Helical Stitching Tie Do I need to predrillThe Simpson BA4. 12 9. 5 BA Top Flange Joist Hanger is a cost effective, high performance connector engineered for use with double 2 in. x 9 1 2 in. engineered wood and solid sawn lumber applications. Built from 12 gauge galvanized steel with a G90 zinc coating, this top flange hanger is designed to carry medium loads with solid sawn lumber and higher loads with engineered wood products. Its min. max. nailing options offer design versatility to meet a