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20″, 24″ & 28″ Metal Lathes

European Built, 4″ Spindle Bore, Center Distances: 60″, 80″, 120″ & 160″

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Summit®20″, 24″ and 28″ Engine Lathes turn rings around other lathes in this class. They are affordable, rugged, reliable and easy to operate. They are ISO compliant, include a vast array of features and accessories as “standard” and offer a variety of built-in safety features. Due to the solid construction from 100% cast iron, Summit 20″, 24″ and 28″ Engine Lathes are built for long-term use and are known for consistent performance and durability even under the most demanding work conditions. Standard on every lathe is a quick-change gearbox for cutting metric, module and diametrical pitch threads, as well as standard American (inch) threads.

  • Cross-ribbed headstock for added strength and stability
  • Anti-friction mounted shafts and dynamically balanced components for improved accuracy
  • Hardened and ground alloy steel gears, shafts and splines for long-lasting accuracy
  • Precision chrome alloy spindle with large 4” spindle bore for workpiece flexibility
  • Clutched headstock for more precision control and long-lasting reliability
  • All cast iron construction provides a solid foundation for vibration absorption and rigidity
  • Hardened & precision ground bedways for long-lasting accuracy
  • Quick change gearbox cuts American (inch), metric and module and diametrical pitch threads
  • Rapid traverse on carriage (4-way joystick)
  • 2 Speed tailstock for faster setups
Included Accessories
  • Thread dial
  • Standard steady rest
  • Extra capacity steady rest
  • Follow rest
  • Coolant system
  • Carriage stop
  • Taper attachment
  • Work light
  • Full-length splash guard
  • 3 jaw chuck
Specifications: 20″ Swing Series 24″ Swing Series 28″ Swing Series
Capacities
Swing over bed 20.25″ 25″ 28.5″
Swing over cross slide 11.875″ 17″ 19.625″
Swing over gap 27.625″ 33″ 36.5″
Headstock
Hole thru spindle 4″
Spindle speeds (15) 11.5 – 1400 RPM (21) 20 – 1250 RPM
Spindle nose D1-8
Threads
Threads per inch – number/range (64) 1/4 – 60
Metric threads – number/range (64) .5 – 120
Tailstock
Travel of spindle barrel 9.5″
Diameter of spindle barrel 3.5″
Tailstock center #5 MT
Bed
Width of bed 15.75″
Motor
Main drive motor 10 HP 15 HP
Miscellaneous
Shipping weight (approximate) (120″cc) 8,600 lbs. 9,000 lbs 9,200 lbs.
Summit Machine Tool
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Summit Machine Tool
518 N Indiana Ave
Oklahoma City, OK 73106

Toll Free: (800) 654-3262
Local: (405) 235-2075
Fax: (405) 232-5169
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