Check the listing for details. M6 Finish Countersunk Washer Kit, 40 Set Aluminum Flat Cup Head Gasket Silver. Condition: New. Listed at 21.87 USD. The countersunk washer is a versatile and durable fastener that can be used in a variety of applications, including automotive, construction, plumbing, electrical applications, industrial settings, robotics, DIY models. It can be used to fasten metal, wood, plastic, and other materials, and is good for applications where a flush finish is desired.Specifications:Color: Silver ToneMaterial: Anodized Aluminum AlloyWasher Size: 6x13.9x4mm / 0.24x0.55x0.16 inch (ID*OD*H)Screw Size: M6x20mmKey Wrench Length: 44mm / 1.73 inchPacking List: 40 x Countersunk Washer; 40 x Screws; 1 x Key WrenchAdvantage:The countersunk washer is made of anodized aluminum alloy, providing durability and resistance to corrosion. The flat cup head design ensures a flush and secure fit when used with screws. The vibrant color adds an aesthetic touch to your projects.