Simpson Concealed-Flange Heavy Face-Mount Hanger HUC5.31/9 PACK:25 Pk The CHMXBT17509 features an SDS-max

The CHMXBT17509 features an SDS-max shank type

high-quality tool steel and feature 4 cutting edges per blade

The zip-tie holder comes factory-attached to the smooth-shank pin

450" head diameter - low-profile head sits flush against panel surfaces while the ribs help resist rotation during drive

What type of environments is the Type 304 stainless steel version best suited for

Simpson Concealed-Flange Heavy Face-Mount Hanger HUC5.31/9 PACK:25 Pk The CHMXBT17509 features an SDS-maxSimpson Strong Tie HUC5. 31 9 Heavy Concealed Flange Face Mount Joist Hanger is engineered by Simpson Strong Tie for structural applications that demand additional strength and enhanced safety factors. Featuring concealed header flanges, this face mount hanger delivers cleaner, more refined visible lines making it an ideal solution for exposed framing conditions where aesthetics matter as much as performance. Key Features Concealed header flanges