Simpson Strong-Tie ATR1X18ZP ATR 1 in. x 18 in. Zinc-Plated All-Thread Rod

The Simpson Strong-Tie® ATR is a fully-threaded rod designed for tension transfer. These rods are threaded along their entire length and are ideal for a variety of applications. The ATR rod comes in a variety of sizes from 3/8-in. diameter up to 1-1/4 in. diameter.