Simpson #8 x 1" Self-Drilling Hex-Washer Head Screw, 316 Stainless Steel PACK:1000 Pk The OU412 is specifically designed

The OU412 is specifically designed for ornamental and exposed timber framing applications

7-Gauge Steel Construction: Provides substantial strength and durability suited to heavy timber and engineered wood applications

collated screw features a long #5 pilot point with an extended flute to cleanly pierce and self-drill through sheathing and into CFS without pre-drilling

For hand-drive fastening

Simpson #8 x 1" Self-Drilling Hex-Washer Head Screw, 316 Stainless Steel PACK:1000 Pk The OU412 is specifically designedSimpson #8 x 1" Self Drilling Hex Washer Head Screw in 316 Stainless Steel is a precision engineered fastener from Simpson designed for reliable performance in demanding environments. Built from Type 316 stainless steel, this screw delivers exceptional resistance to corrosion, moisture, and harsh outdoor conditions making it a trusted choice for aluminum and fiberglass fastening applications. The self drilling tip eliminates the need for a pilot hole,