20PCS M4 Countersunk Machine Screw Washers Flat Head Washers Circular Flat Washers for Mechanical Parts Screw Washers Used in Construction and Machinery Burgundy and Black

Package Content:You will get 20pcs M4 countersunk head machine with screw washers in 2 colors, 10pcs burgundy and 10pcs black, enough quantity to meet your various uses.
High-quality materials: countersunk washers are made of high-quality aluminum alloy, not easy to wear, light weight, high strength, wear-resistant and hard, with excellent corrosion resistance, can be used for a long time.
Surface treatment: the product surface is smooth, beautiful craftsmanship, uniform force, no burr, anodized surface treatment to prevent rust.
Easy to install: small size, light weight, easy to install and use, insert the screws or bolts into the parts to be installed and place countersunk washers on them, use wrenches or torque wrenches to tighten the screws or bolts moderately to the required looseness and tightness, anti-slip and anti-loosening.
Wide range of applications: for general use underneath the head of a bolt or nut to provide a smooth bearing surface that can support many of your projects, suitable for decorative applications to add a polished and professional look to any project, widely used in construction, machinery or other industries.

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