Simpson ATR1X18ZP Zinc-Plated All-Thread Rod 1 in. x 18 in. Fully Threaded Steel UNC Class 2A XM MEDIUM-HEAD METAL Screw (Collated) ideal for exterior and treated-wood

ideal for exterior and treated-wood applications

and general outdoor wood applications where reliable corrosion resistance is essential

Includes 15 precision spring collets in 1/16" increments from 1/8" to 1"

providing a significantly more secure attachment once driven

Attaching wood or light gauge steel to concrete and grout-filled block surfaces

Simpson ATR1X18ZP Zinc-Plated All-Thread Rod 1 in. x 18 in. Fully Threaded Steel UNC Class 2A XM MEDIUM-HEAD METAL Screw (Collated) ideal for exterior and treated-woodSimpson ATR1X18ZP ATR 1 in. x 18 in. Zinc Plated All Thread Rod is a fully threaded rod engineered by Simpson Strong Tie as a tension transfer element designed for use with Simpson Strong Tie adhesives. This zinc plated steel all thread rod delivers exceptional versatility for structural applications including floor to floor holdowns and a wide range of anchoring solutions, with full threading along its entire length for maximum engagement and