Conquest 5/16" USS Flat Washer - 316 Stainless Steel | Qty. 216,000 (Pallet) Metal to Metal Roofing Screws this block is trusted for

this block is trusted for its durability

moisture-tolerant

standard handle designed to give you reliable leverage while working in tight spaces

low-profile head provides excellent bearing surface and sits flush under panel clips

Engineered for use in two-hour fire-rated assemblies

Conquest 5/16" USS Flat Washer - 316 Stainless Steel | Qty. 216,000 (Pallet) Metal to Metal Roofing Screws this block is trusted forConquest USS Flat Washers made from 316 stainless steel are built for the job site and the long haul. Whether you're anchoring structural bolts, building in coastal environments, or tackling a heavy duty mechanical install, these washers deliver lasting performance, corrosion resistance, and peace of mind. Designed to distribute load and reduce surface damage, these USS flat washers are ideal for high moisture, high salinity environments, from marine