4 each Primary Drive Sprocket for Longitudinal Collector Sectional rim sprocket, with hub, for H124 mill chain. Sprocket to be 24- tooth, 30.65” pitch diameter, three sections, heat-treated. Hub to be split with 3.693”/3.696” bore and fitted with 7/8” keyway. 8 each Secondary Drive Sprocket for Longitudinal Collector Split sprocket, with hub, for WH730 chain. Sprocket to be 10-tooth, 19.42” pitch diameter, two sections, heat-treated. Bore = 3.693”/3.696” with 7/8” keyway with 5/8” set screw. 16 each Idler Sprocket for Stationary Shaft Split sprocket, with hub, for WH730 chain. Sprocket to be 10-tooth, 19.42” pitch diameter, two sections, heat-treated. Bronze bushing with 4.065” bore. No keyway. As Required Bolting Materials for Sprockets Zinc-plated, alloy steel, grade 8 hex head cap screws conforming to ANSI B18.2.1. Zinc-plated steel, grade 8, hex nuts conforming to ANSI B18.2.2. 316 stainless steel split-lock washers to fasten sprocket segments to hub. 18-8 stainless steel square head, cup point set screws for keyways where provided.
