M5 Flat Washers for Bolts, 30Pcs M5 x 10 x 1mm Black Oxide Finish Grade 8.8 Alloy Carbon Steel Fasteners Flat Washer for Automotive, Mechanical Industry
Flat washers are made of grade 8.8 carbon steel, slick black coating finish provides high tenacity and protection from corrosion resistance.
Carbon steel flat washers are widely used in the mechanical industry, automotive and marine, home decoration, electrical maintenance, furniture repair, shop and outdoor construction, and threaded/bolt connections.
The flat washers ideal for spreading the surface load of threaded bolts, screws, and nuts evenly as the fastener is tightened. It can prevent damage to the material and reduce the loosening of the nut from the uneven surface.
Black flat washers are used under the head of a bolt or nut across the area of the support to prevent nut/bolt head from tearing through material.