Constructed using the Certified Meehanite® casting process, JET Variable Speed Milling Machines provide consistent and reliable operation. Precision bored and honed milling heads ensure quality cuts, and the three-stage power downfeed with automatic stop makes the JET Variable Speed Milling Machines easy to use. Available in single or three phase power configurations, the JET JTM-4VS Series mills are backed by the industry leading Two Year full service and parts Warranty
- Adjustable gibs throughout
 
- Heavy duty splined motor drive
 
- Internal coolant tank built into casting base for use with coolant system (Coolant pump not included)
 
- Large Diameter quill is chromed
 
- One shot lubrication system
 
- Precision hardened and ground ways and table
 
- Spindle head is internally cooled
 
- Tolerance test sheet included
 
 
| Stock Number | 
690221 | 
| Collet Capacity | 
1/8 - 7/8 | 
| Distance Spindle to Column (Max.) (In.) | 
19 | 
| Max Distance Spindle to Table (In.) | 
17-1/2 | 
| Motor (HP) | 
3 HP, 230/460V, 3Ph | 
| Number of Axis | 
3 (Quill) | 
| Overall Dimensions (L x W x H) (In.) | 
66 x 63 x 85 | 
| Powerfeed | 
X-Axis | 
| Prop 65 | 
Cancer and Reproductive Harm | 
| Quill Diameter (In.) | 
3-3/8 | 
| Quill Down Feed Rates (IPR) | 
.0015 - .003 - .006 | 
| Range of Spindle Speeds (RPM) | 
60 - 4,200 | 
| Spindle Taper (In. x TPI) | 
R-8 | 
| Spindle Travel (In.) | 
5 | 
| Style (Type) | 
Variable Speed R8 | 
| T-Slot Centers (In.) | 
2-1/2 | 
| Table Cross Travel (In.) | 
12 | 
| Table Longitudinal Travel (In.) | 
34 | 
| Table Longitudinal Travel With Powerfeed (In.) | 
28-3/4 | 
| Table Size (L x W) (In.) | 
9 x 49 | 
| Travel of Knee (In.) | 
14-1/2 | 
| Travel of Ram (In.) | 
13-3/8 | 
| Weight (Lbs.) | 
2420 | 
| Work Table Weight Capacity (Lbs.) | 
660 |