
SUMMIT HTM 4 HORIZONTAL BORING MILLS
Specifications & Market Value

Technical Description
The SUMMIT HTM 4 Horizontal Boring Mill is a robust machine designed for precision machining, featuring a 4.13-inch (4 1/8″) diameter spindle with a #50 taper and infinitely variable speeds (10-1800 RPM on the HTM4H model). The machine offers significant travel capabilities, with X-axis travel ranging from 47″ up to 106″ and Y-axis vertical travel from 33.4″ to 78.8″, depending on the specific model (HTM4H-XS, HTM4H-S, or HTM4H). Table sizes vary between 55″ x 55″ and 55″ x 63″, all capable of supporting a maximum workpiece weight of 13,200 lbs. Saddle travel (Z-axis) extends up to 104″ on some configurations. Powered by a Main Drive Motor of 20 HP to 22/30 HP (220/440/3/60 electrics), the machine's approximate weight ranges from 30,000 lbs to 48,400 lbs. Additional features include 360-degree positioning and programmable metric/inch threading.
Technical Attributes
- Y-Axis Travel
- 78.74 ''
- Table Size (LxW)
- 86.61 x 78.74
- Spindle Power
- 30.0 HP
- Max Spindle Speed
- 1,800.00
- Stroke Length
- 31.50 ''
- Z-Axis Travel
- 31.50 ''
- X-Axis Travel
- 86.61 ''
- Spindle Diameter
- 4.13 ''
Category
- MACHINING
- → BORING MILLS
- → HORIZONTAL BORING MILLS
Data Accuracy and Verification
Specifications, market trends, and valuation estimates are compiled from manufacturer documentation, historical sales, and industry sources. While care is taken to ensure accuracy, this information is provided for reference purposes only and may contain errors or omissions. Users should independently verify all data before making buying or selling decisions. Valuations do not represent guaranteed transaction prices or binding offers, and Aucto assumes no liability for decisions made using this data.
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