Astm astm b 18 2 6 2010. These washers are intended for general purpose mechanical and structural use with bolts nuts studs and other internally and externally threaded fasteners. These washers are made with the same od as f844 washers but the same hardness as f436 washers.
Our Astm F436 Washers Are Hardened Steel Washers For Use With Fasteners Having Nominal Thread Diameters Of Through 4 In Zinc Plating Weathering Steel Washer
