Hillman Zinc-Plated Steel 9/16 in. USS Flat Washer, 110-Pack Black Marble Flooring It has a partially threaded

It has a partially threaded shank to improve clamping strength and reduce shear movement

They are water resistant and designed for indoor use in kitchens

the zinc-plated steel finish provides basic corrosion resistance for indoor and light-duty outdoor use

The attached pad also adds comfort and softens footsteps

Hot-Dipped Galvanized 1/2" x 6" Carriage Bolts (25-Pack)

Hillman Zinc-Plated Steel 9/16 in. USS Flat Washer, 110-Pack Black Marble Flooring It has a partially threadedHillman 9 16 in. Zinc Plated USS Flat Washers (110 Pack) Durable zinc plated steel flat washers designed for 9 16 in. USS coarse thread applications. They distribute load, protect surfaces, and resist corrosion for long lasting fastening performance in wood, metal, and general construction projects. Key Features: Corrosion Resistance: Zinc plated steel finish helps prevent rust in indoor and sheltered outdoor use. Load Distribution: Flat design