The Best Value Large Through Bore CNC Lathes in the Industry
Rigid, high performance large through bore CNC lathe
The ST-55 is a high performance CNC turning centre designed for large diameter, heavy duty machining. Offering exceptional rigidity, generous capacity and outstanding reliability, the Haas ST Series large through bore CNC lathes are engineered from the ground up to provide setup flexibility, high thermal stability and maximum productivity.
- 2 speed gearbox
- 12 station bolt on turret
- Large through bore A1-20 spindle
- Made in the USA
CNC Lathe, Ø25.5″ x 44″ (648 x 1118 mm) capacity, 12.5″ (318 mm) bar, 55 hp (41 kW) vector drive, 1,000 rpm, 2 speed gearbox, front and rear A1-20 spindle noses, 12 station bolt on turret, programmable servo tailstock, 19″ colour LCD monitor, memory lock keyswitch, USB port, colour remote jog handle and rigid tapping.
The ST-40 CNC Large Capacity CNC Lathe at Work
Need to machine some tapered oilfield threads on some pipe? Or drill a 4″ hole in some stainless or alloy steel? No problem, the ST-40 has the power and rigidity to tackle some serious parts. This demo features OD turning with a 0.6″ DOC at 770 SFM and 0.0216″/rev in 4140 alloy steel.



