Astm astm b 18 2 6 2010. 1 1 this specification covers the chemical mechanical and dimensional requirements for hardened steel washers for use with fasteners having nominal thread diameters of 1 4 through 4 in. In stock and ready to ship.
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