Simpson 15 1/8 in Heavy Holdown w/SDS2.5 Screws Stainless HHDQ11SS-SDS2.5 Self-Drilling Wire-Lath Modified Truss-Head Screw Refer to Simpson Strong-Tie installation

Refer to Simpson Strong-Tie installation guidelines for full details on placement and torque requirements

Concealed header flanges provide clean

Type 304 Stainless-Steel Wedge Anchor is a high-performance wedge-type expansion anchor from Simpson Strong-Tie

The ZN25100 is designed for use in concrete

Simpson 15 1/8 in Heavy Holdown w/SDS2.5 Screws Stainless HHDQ11SS-SDS2.5 Self-Drilling Wire-Lath Modified Truss-Head Screw Refer to Simpson Strong-Tie installationThe Simpson Strong Tie HHDQ11SS SDS2. 5 is a 15 1 8 inch stainless steel heavy holdown engineered for extra high load applications where strength, corrosion resistance, and installation efficiency are critical. Constructed from 7 gauge steel with a stainless steel finish, this holdown installs directly on the sill plate and is purpose built to handle demanding structural connections with minimal fastener slip. Supplied complete with Strong Drive SDS