Last Updated :Mon, Oct 26, 2020

3' x 8" Brand New Jet Radial Arm Drill Press, Mdl. J-720R, Two (2) year manufacturer's warranty, #SMJ720R

Brand New Jet Radial Arm Drill Press

Stock No: #SMJ720R
Manufacturer: Jet
Capacity: 3' x 8"
Condition: New
Section 179
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Capacity3' x 8"
Table Size23-5/8" x 17-1/2" x 15"
Column Diameter8-1/4"
Arm Vertical Travel23-13/16"
Travel of Head Horizontal20-7/8"
Drilling Capacity
Mild Steel1-1/2"
Cast Iron2"
Tapping Capacity
Mild Steel3/4"
Cast Iron1"
Boring Capacity
Cast Iron4"
Quill Travel8-1/4"
Spindle TaperMT #4
Quill Down Feed Rates (3).002, .004, .006 IPR
Spindle Speeds88 - 1,500 RPM
Distance Column to Spindle8-5/8" to 29-1/2"
Distance Base to Spindle9-5/8" to 41-3/4"
Dimensions (W x D x H)68" x 36" x 89"
Weight2700 Lbs.
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 balanced 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
Build in work light
Coolant Pump
Box Table
Entire frame is made of Meehanite and high tensile strength cast iron to handle the haviest of jobs
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 maintenance
Push botton controls are all reduced to 110VAC
Two (2) year manufacturer's warranty
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