3' x 8", JET RADIAL ARM DRILL, STK#320033, MODEL#J-720R **NEW**

Specific Info On This Equipment

Reference Number: 7948

Condition: New

"If you need a machine and don't buy it, then you will ultimately find you have paid for it but don't have it."   Henry Ford

Full Product Description

Model:  J-720R
Stock Number:  320033  
Motor:  3 HP, 230/460V 3Ph, Prewired 230V  
Number of Spindle speeds:  6 (88 - 1500)  
Spindle Taper:  MT-4  
Max Distance Spindle to Table ( in.):  26-3/4  
T-Slots Number and Size (in.):  3 & 3/4  
Column Diameter (in.):  8-1/4  
Drilling Capacity Cast Iron (in.):  2  
Drilling Capacity Mild Steel (in.):  1-1/2  
Tapping Capacity Cast Iron (in.):  1  
Tapping Capacity Mild Steel (in.):  3/4  
Boring Capacity Steel (in.):  2-3/8  
Boring Capacity Cast Iron (in.):  4  
Distance Column to Spindle (max/in.):  29-1/2  
Distance Column to Spindle (min/in.):  8-5/8  
Travel of Head Horizontal (in.):  20-7/8  
Distance Base to Spindle (max/in.):  41-3/4  
Distance Base to Spindle (min/in.):  9-5/8  
Arm Travel Vertical (in.):  23-13/16  
Quill Travel (in.):  8-21/32  
Quill Travel w/ Powerfeed engaged (in.):  8-1/4  
Quill Down feed Rates (IPR):  .002, .004, .006  
Elevating Motor:  1 HP  
Table Size (in.):  23-5/8 X 17-1/2 X 15  
Base Dimensions (in.):  49-5/8 x 25-3/16 x 6-1/4  
Coolant Pump Motor:  1/8 HP  
Table Dimensions (in.):  23-5/8 X 17-1/2 X 15  
Overall Dimensions:  64 x 32 x 85  
Height:  83 inch
Width:  64 inch
Length:  32 inch
Net Weight:  2697 pound

* The power train gears and spline shafts 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 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
* Build to withstand exceptionally heavy drilling and
boring loads to insure maximum accuracy
* Arm raising safety device prevents arm from dropping
* Counter balanceed mechanism for spindle return
* 6 Speeds/3 Feed rates make exotic materials easier to
drill, bore and tap
* Centralized control center
* Automatic tool ejector
* Independent arm electric clamping system, which locks
and unlocks the head and column
* Push botton controls are all reduced to 110VAC
* Electrical circuits are located in the build-in control
box at the rear of the arm. This keeps the controls dust-
and-humidity-free while making them easilly accessible for
* Entire frame is made of Meehanite and high tensile
strength cast iron to handle the haviest of jobs

* Built in work light
* Coolant pump
* Tool kit
* Box table