Simpson ATR1X12ZP 1" x 12" All-Thread Rod - Zinc Plated Metal to Metal Roofing Screws Ideal for securing multi-ply girder

Ideal for securing multi-ply girder trusses in wood-frame structures

These combo blades are designed with 12mm segments and a soft bond

Their proven load transfer performance makes them a trusted choice for builders

High-humidity or moisture-prone areas

Washer-Style Head: Provides wide bearing surface for greater pull-through resistance and secure clamping

Simpson ATR1X12ZP 1" x 12" All-Thread Rod - Zinc Plated Metal to Metal Roofing Screws Ideal for securing multi-ply girderWhen pairing a nut with threaded rod, the material and finish must match. If these do not match, the nut will not fit the threaded rod. The Simpson Strong Tie ATR All Thread Rod is engineered for high strength anchoring and structural applications. Crafted from steel conforming to ASTM F1554 Grade 36, A36, or A307 standards, it offers a minimum yield strength of 36 ksi and tensile strength of 58 ksi, ensuring reliable performance in demanding