Qrity 20PCS Steel Flat Washer, Fender Washer, M4 Washer, Faucet Washer, Flat Washers for Screws, Heavy Duty Washers, Metal Washers for Home Decoration and Factory Construction

Qrity washers are great for both indoor and outdoor use. The larger outside diamenter is perfect for applications that require a larger amount of pressure distribution such as drywall, fencing, mounting fixtures and sheet metal. Features: Made of high-quality carbon steel, durable, corrosion-resistant, circumferential without sharp edges. Washer's surface are smooth can reduce friction, prevent leakage, isolate, prevent loosening or dispersing pressure. It can increase the contact area between the screw and the machine, and eliminate the damage to the machine surface when the spring pad is unloaded. Specifications: Washer Type: Flat Internal Diameter: M4 (4mm) External Diameter: 9mm Thickness: 1.5mm Package Included: 20 Pieces Flat Washers M4 x 9 mm