Simpson 4 x 16 Concealed-Flange Heavy Face-Mount Hanger HUC416 Driver Bits The through-hole geometry prevents blowout

The through-hole geometry prevents blowout on exit

The CMST12 should be installed with 10d or 16d common nails

Remains flexible after cure for easier removal

The CC5 1/4-8 is made from heavy-duty 3-gauge steel and features a Simpson Strong-Tie gray paint finish

Nominal Diameter 5/8"

Simpson 4 x 16 Concealed-Flange Heavy Face-Mount Hanger HUC416 Driver Bits The through-hole geometry prevents blowoutThe Simpson HUC416 HUC Galvanized Face Mount Concealed Flange Joist Hanger for 4x16 is a heavy duty face mount hanger engineered by Simpson Strong Tie for structures requiring additional strength and safety factors. Designed to accept a nominal 4x16 joist, this hanger features concealed header flanges that provide cleaner visible lines in exposed conditions, making it an ideal choice where both structural performance and finished appearance matter.