#8 x 1-5/8" Simpson Strong-Tie Square Drive Bugle Head Deck Screw - 305 Stainless Steel, Pkg. 4,000 Zinc Large Diameter Concrete Screws The pre-notched cone allows for

The pre-notched cone allows for easy customization to fit a range of pipe diameters

Pre-drilling is recommended when attaching to dense engineered wood to prevent splitting

Whether you're tackling commercial HVAC systems

Designed to strengthen joints between trusses

#8 x 1-5/8" Simpson Strong-Tie Square Drive Bugle Head Deck Screw - 305 Stainless Steel, Pkg. 4,000 Zinc Large Diameter Concrete Screws The pre-notched cone allows forThe Simpson Strong Tie Bugle Head Deck Screw Square Drive is designed for fastening all types of wood decking, including cedar, redwood, and preservative treated lumber. Made from 305 stainless steel for superior corrosion resistance, these screws deliver long lasting performance in exterior environments. For professional results, the bugle head ensures flush countersinking, leaving a clean finish while pulling boards tightly to framing. The square