304 Stainless Steel Bowl Washer, 300 Pieces Countersunk Finish Washers for Bolt Screw

Countersunk Bowl Washer Size: 4mm x 13mm x 2.5mm/0.16" x 0.51" x 0.1" (Inner Diameter x OD x T); Material: 304 Stainless Steel; Color: Silver Tone; Package Content: 300pcs x Bowl Washer Made of 304 stainless steel, the countersunk head gasket has a smooth surface without burrs. It has high hardness, is resistant to rust, corrosion and high temperature. It is strong and durable, not easily deformed and can be used for a long time. Washers can hide the edges of countersunk screws to create a smooth contact surface, which can conceal the unsightly holes created by the drill bits for a clean decorative appearance. The countersunk finish washer is easy to install so that it sits properly between the screw head and the surface of the object to be fixed, and then tighten the screw to hold the washer in place. Countersunk washers are used in various applications, including in construction, mechanics, automotive and other industries, and can also be used to fix metal, plastic, wood or other materials.