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> 4' x 11" willis big bear RD1100 radial arm drill
4' x 11" willis big bear RD1100 radial arm drill
4' x 11" WILLIS BIG BEAR RD1100 RADIAL ARM DRILL
Drilling capacity in cast iron 2-1/8"
Drilling capacity in mild steel 1.75"
Maximum drilling capacity in mild steel 2"
Spindle speeds (12) 44-1500 RPM
Power feed rates (3) .002", .036", .006"
Distance column to center of spindle max/min 45", 13"
Distance spindle to base max/min 48, 21"
Column diameter (double wall column) 11.81"
Base dimensions overall 72" x 28" x 6.75"H
Base working surface 50" x 28"
Total height at the column 86"
Motor Driven With 3.5 HP, 3 Phase, 60 Cycle, 230/460 Spindle Motor With Controls. 4-Way Switch For Arm Raising And Lowering. Spindle Direction. Driven Column Clamping/Head Clamping. 18" x 24" x 18"H Box Table. Coolant System. Work Light.
