Simpson S/HD8B S/HDB Light Ga Steel Bolted Holdown 11 in. 10 Ga Gray Paint HU Heavy Face-Mount Joist Hanger 3/8" x 1-1/4" Upcut Spiral

3/8" x 1-1/4" Upcut Spiral Bit (1/2" shank)

MPN: T10450WPCM

Built for seismic and high-wind jobsites - the dual undercutting embossment technology and code listing for seismic design categories A through F make this anchor a reliable solution when structural integrity under dynamic loads is non-negotiable

118" upper shank diameter

giving you stronger connections with greater installation convenience

Simpson S/HD8B S/HDB Light Ga Steel Bolted Holdown 11 in. 10 Ga Gray Paint HU Heavy Face-Mount Joist Hanger 3/8" x 1-1/4" Upcut SpiralThe Simpson Strong Tie S HDB 11 in. Light Steel Bolted Holdown (Model S HD8B) is engineered to deliver reliable load performance for high load shearwalls, braced wall panels, and lateral applications. Ideal for bolt on installations where cold formed steel stud manufacturers can prepunch the bolt holes, this holdown features a unique seat design that greatly minimizes deflection under load. Designed for installation with bolts into the studs or