Simpson HUC816 8x16 Concealed-Flange Heavy Face-Mount Hanger Forstner Bits The RCKW3D's two large-diameter anchor

The RCKW3D's two large-diameter anchor holes accommodate 1/2-in

Strong-Drive SDS screws offer faster installation

You can measure and adjust the pressure for your application

Designed for use with 6x or larger lumber

Minimum side cover for full loads is 3" for CBs

Simpson HUC816 8x16 Concealed-Flange Heavy Face-Mount Hanger Forstner Bits The RCKW3D's two large-diameter anchorThe Simpson HUC816 is an 8x16 Heavy Concealed Flange Face Mount Joist Hanger engineered for structures that demand additional strength and elevated safety factors. Its concealed header flanges deliver clean, unobtrusive visible lines making it an ideal choice for exposed timber applications where aesthetics matter as much as performance. Fabricated from robust 14 gauge (68 mil) galvanized steel and proudly made in the United States, the HUC816 is a