Jet Tools J-1230R-4, 4' Arm Radial Drill Press, 5HP, 460V

JET Tools

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Jet Tools J-1230R-4, 4' Arm Radial Drill Press, 5HP, 460V


The apex of heavy-duty JET Radial Arm Drill Presses are built to create precision holes in huge pieces and enhance productivity in even the busiest commercial shops. Operation is enhanced with power spindle feed and coolant systems, safety features and ergonomic design. JET Radial Arm Drill Presses are built to deliver under even the most demanding drilling specifications, and hold material fast for superior performance


  • The power train gears and spline shaft are made of the finest quality, heat treated and ground nickel-chrome steel, giving extra strength and smoothness to high torque loads
  • The spindle is made of the finest case hardened steel for extra strength and wear
  • The spindle is supported by double row taper roller and thrust ball bearings at the nose, with thrust and radial axis bearings at the top
  • The spindle is built to withstand exceptionally heavy drilling and boring loads and to insure maximum accuracy
  • Push button controls are all reduced to 110V
  • Electrical circuits are located in the built-in control box at the rear of the arm- this keeps the contols dust and humidity free while making them easily accessible for maintenance
  • Entire frame is made of Meehanite and high tensile strength cast iron to handle the heaviest of jobs
  • Arm raising safety device prevents arm from dropping
  • Counter balanced mechanism for spindle return
  • 12 speeds/3 feed rates make exotic materials easier to drill, bore and tap
  • Centralized control center
  • Automatic tool ejector
  • Independent manual arm clamping system, which locks and unlocks the head and column
  • Built in work light
  • Coolant pump
  • Tool kit
  • Box table


  • Style (Type)Radial Drill
  • Quill Travel w/ Powerfeed Engaged (In.)9-7/16
  • Quill Down Feed Rates (IPR)3 (.002, .004, .006)
  • Spindle Taper (In. x TPI)MT-4
  • Number of Spindle Speeds12 (44-1500)
  • Drilling Capacity Mild Steel (In.)1-7/8
  • Drilling Capacity Cast Iron (In.)2-5/16
  • Tapping Capacity Mild Steel (In.)1
  • Tapping Capacity Cast Iron (In.)1-1/2
  • Boring Capacity Steel (In.)3-3/8
  • Boring Capacity Cast Iron (In.)4-3/4
  • Column Diameter (In.)11-13/16
  • Distance Spindle to Column (Min.) (In.)13-3/4
  • Distance Spindle to Column (Max.) (In.)46
  • Travel of Head Horizontal (In.)35
  • Distance Base to Spindle (Min.) (In.)19-3/8 - 54
  • Arm Travel Vertical (In.)35
  • Table Size (L x W) (In.)25 x 20-1/2 x 16-5/16
  • Motor (HP)2-1/2 to 5 HP, 460V, 3Ph
  • Elevating Motor1
  • Coolant Pump Motor1/8
  • Machine Height from Floor (In.)109-1/2
  • Base Dimensions (In.)67-3/4 x 28 X 7
  • Overall Dimensions (L x W x H) (In.)80 x 39 x 89
  • Weight (Lbs.)4,520


JET warrants every product it sells. If one of our tools needs service or repair, one of our Authorized Service Centers located throughout the United States can give you quick service. In most cases, any of these JPW Industries Authorized Service Centers can authorize warranty repair, assist you in obtaining parts, or perform routine maintenance and major repair on your JET tools. For the name of an Authorized Service Center in your area call 1-800-274-6848.

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