#9 x 3-1/2" Simpson Strong-Tie #1 Square Trim Head Deck Screws - 305 Stainless Steel, Pkg. 5 Lb. RCA2211/68-R40 it’s compatible with standard nuts

it’s compatible with standard nuts and washers for easy integration into existing assemblies

12-14 x 2-1/2" HWH Steelbinder self-drilling pole barn screws are designed for general metal to metal construction applications

and wastewater facilities

Applications: Ideal for reinforcing decorative knee braces on pergolas

#9 x 3-1/2" Simpson Strong-Tie #1 Square Trim Head Deck Screws - 305 Stainless Steel, Pkg. 5 Lb. RCA2211/68-R40 it’s compatible with standard nutsSimpson Strong Tie Trim Head Deck Screws are built for clean, secure deck board installations with lasting holding power and a smooth finish. Featuring a square drive for slip free engagement during installation, these screws are easy to drive and resist cam out in both hand driven and auto feed systems. The trim style head seats flush with the surface, creating a polished appearance ideal for visible decking surfaces. A Type 17 point allows fast