HDU Holdown, 10-15/16 in L, 3 in W, Steel, Galvanized The HDU is designed for use in shearwalls and braced-wall panels, as well as other lateral applications in wood construction. The HDU uses Strong-Drive® SDS heavy-duty connector screws which install easily, reduce fastener slip and provide a greater net section than bolts.

Item Features

• Predeflected body virtually eliminates deflection due to material stretch
• SDS screws are supplied with the holdowns to ensure proper fasteners are used
• No stud bolts to countersink at openings
• Galvanized (G90) for extra corrosion resistance
• The HDU requires no additional washer
• Strong-Drive® SDS heavy-duty connector screws install better with a low-speed, high-torque drill equipped with a 3/8 in hex head driver

Item Specifications

• Brand Name: Simpson Strong-Tie
• Manufacturer Name: Simpson Strong-Tie
• Manufacturer Number: HDU4-SDS2.5

Item Documentation

• Specification Sheet