Hillman Zinc-Plated Steel 3/4 in. USS Flat Washer, 45-Pack R-19 Insulation 99-mil) Mark Resistant Yes For

99-mil) Mark Resistant Yes For Use in Bathrooms Yes For Use in Kitchens Yes For Use Over Tile No For Use Over Vinyl Yes For Use Over Concrete Yes For Use Over Wood Yes For Use with Underfloor Heating No FloorScore Certified Yes Warranty Limited lifetime UNSPSC 30161700 Weight (lbs

Durable Wear Layer: 12-mil urethane ceramic protective coating resists scratches and stains

and scratch resistance for moderate traffic

A: They are designed for hollow walls like drywall and plaster

Hillman Zinc-Plated Steel 3/4 in. USS Flat Washer, 45-Pack R-19 Insulation 99-mil) Mark Resistant Yes For3 4 in. Zinc Plated USS Flat Washers (45 Pack) These Hillman USS flat washers distribute load and protect surfaces when used with 3 4 in. bolts or screws. Made from steel with a zinc plated finish for moderate corrosion resistance, they help secure fasteners in wood, metal, and general construction projects. Key Features: Corrosion Resistant Zinc Plating: Helps protect against rust in indoor and sheltered outdoor applications USS Standard Fit: Sized