Fine Material Screw Washers | McLanahan
Models include 36x18, 44x32, 54x34, 5x16, 10x40, 36 IN, 36x25, 44 IN, 44x20, and BMD5502. Page 1 of 1. Coarse Material Washer, Coarse Screw Parts - Coarse Aggregate Products Coarse Washers. Coarse material washers are designed to scrub and clean gravel and crushed stone up to 2 1/2″ in size.