Cup Washer，Metal washers， M3 M4 M5 M6 304 Stainless Steel Bowl Type Conical Washer Countersunk Washers Concave-Convex Hollow Fisheye Gasket(Silver 50pcs,M6x17x3.5mm)

Product name: Bowl Type Conical WasherMaterial: 304 stainless steelsize:M3 M4 M5 M6eg:(M3x11x2.5mm)=3mm(Inner diameter) x11mm (Outer diameter) x2.5 (Thickness)Quantity: 5/20/50pieces

• The surface of the gasket is smooth and burr, with high hardness, workmanship and durable fastening
• Being solid stainless steel they also offer strength and durability.
• Compact and lightweight design, very convenient to carry, easy installation
• It provides additional bearing area on the material being fastened and can be used to give a neat, finished appearance.
• These conical washers increase the contact area and grip the surface tightly, preventing loosening of the connecting parts and improving the safety and reliability of the connection.Application: This Cup washers are used to tighten bolts, screws, etc.. This can be used in a variety of applications, making it an excellent choice for industrial, communication, marine, agriculture, machinery and more.