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20" DIA. x 3" x 20" PITCH x 1/4" THK. x 11'-9" LG. RH SECTIONAL SCREW
20" DIA. x 3" x 20" PITCH x 1/4" THK. x 11'-9" LG. RH SECTIONAL SCREW MOUNTED ON 3 1/2" STD. PIPE BUSHED & DRILLED BOTH ENDS FOR 3" DIA. 2-BOLT SHAFTS