USED HAAS ST20SS – 2011
The 2011 HAAS ST20SS is a high-efficiency CNC turning center developed for manufacturers requiring rapid production capability, dependable machining accuracy, and flexible turning performance for a wide range of industrial applications. Built by Haas Automation, the ST20SS was engineered as a “Super Speed” variation of the standard ST-series lathe platform, offering improved spindle acceleration, faster rapid traverse rates, and quicker turret indexing performance to maximize machining productivity in demanding manufacturing environments.
The machine utilizes a rigid slant-bed design that improves machine stability during aggressive turning operations while also supporting efficient chip evacuation and thermal consistency throughout long production cycles. The slant-bed configuration helps reduce vibration during machining, contributing to smoother surface finishes, improved dimensional accuracy, and better cutting tool life. This machine layout also improves accessibility for operators during setup procedures, maintenance tasks, and tooling adjustments, helping streamline production workflow within busy machine shops.
The HAAS ST20SS is capable of machining a broad range of materials including stainless steel, carbon steel, aluminum, brass, titanium, engineering plastics, and specialty alloys commonly used throughout aerospace, automotive, medical, fluid systems, electronics, and industrial manufacturing sectors. The machine is commonly used for producing shafts, threaded fittings, bushings, valve components, hydraulic adapters, couplings, sleeves, cylindrical housings, and precision production parts requiring stable tolerances and repeatable machining consistency.
Compared to standard CNC lathes, the ST20SS offers enhanced productivity through its high-speed spindle and rapid positioning capability. These improvements allow shops to reduce non-cutting time while improving overall spindle utilization during repetitive machining operations.
Many used 2011 HAAS ST20SS machines include optional production-enhancing features such as live tooling, bar feeders, programmable tailstocks, parts catchers, chip conveyors, and high-pressure coolant systems. These options improve automation capability and help manufacturers support unattended production environments.
The machine commonly includes the Haas CNC Control platform known throughout the manufacturing industry for its operator-friendly interface, simplified program management, and dependable machine operation. Shops already operating Haas equipment often choose the ST20SS because of operator familiarity and programming consistency across multiple machines.
Industries including aerospace manufacturing, transportation, oil and gas, industrial automation, medical component production, and precision contract machining frequently rely on the ST20SS because of its combination of production speed, machining reliability, and long-term durability.
Because of its efficient machining capability, manageable footprint, and strong aftermarket support network, the 2011 HAAS ST20SS continues to remain one of the most respected high-speed CNC turning centers available in the used machinery market.
HAAS ST20SS – AXIS
| Specification | Details |
|---|---|
| Machine Type | CNC Slant-Bed Turning Center |
| Axis Configuration | 2-Axis CNC Turning |
| X-Axis Travel | Approx. 9.3 in |
| Z-Axis Travel | Approx. 21 in |
| Rapid Traverse X-Axis | Approx. 945 IPM |
| Rapid Traverse Z-Axis | Approx. 1200 IPM |
| Motion System | Linear Motion Guideways |
HAAS ST20SS – AXIS TRAVELS / WORK ENVELOPE
| Specification | Details |
|---|---|
| Maximum Turning Diameter | Approx. 10 in |
| Maximum Turning Length | Approx. 21 in |
| Swing Over Front Apron | Approx. 31.75 in |
| Hydraulic Chuck Size | 8.3 in |
| Bar Capacity | Approx. 2 in |
| Maximum Swing Capacity | Approx. 20.75 in |
HAAS ST20SS – CAPACITY / TABLE
| Specification | Details |
|---|---|
| Production Type | High-Speed CNC Turning |
| Typical Workpiece Size | Small & Medium Precision Parts |
| Workholding Capability | Chuck & Bar Work |
| Automation Capability | Yes |
| Shop Environment | Production & Job Shop Applications |
HAAS ST20SS – SPINDLE
| Specification | Details |
|---|---|
| Maximum Spindle Speed | Approx. 5000 RPM |
| Spindle Motor Output | Approx. 30 HP |
| Spindle Nose | A2-6 |
| Spindle Bore Diameter | Approx. 3 in |
| Drive Type | Vector Drive |
| Spindle Style | Precision High-Speed Spindle |
HAAS ST20SS – TOOL CHANGER
| Specification | Details |
|---|---|
| Turret Capacity | 12 or 24 Stations |
| Turret Configuration | Servo Indexed |
| Tooling Style | OD & ID Tooling |
| Turret Indexing Speed | High-Speed |
| Live Tooling Capability | Optional |
HAAS ST20SS – CONTROL SYSTEM
| Specification | Details |
|---|---|
| CNC Platform | Haas CNC Control |
| Programming Support | Conversational & G-Code |
| USB Interface | Standard |
| Ethernet Connectivity | Yes |
| Display Type | LCD Operator Display |
HAAS ST20SS – COOLANT / DUST / WATER MANAGEMENT
| Specification | Details |
|---|---|
| Coolant Delivery | Flood Coolant |
| Coolant Tank Capacity | Approx. 55 Gallons |
| Chip Handling | Chip Conveyor or Tray |
| Coolant Pump Type | Multi-Stage Pump |
| Optional Features | High-Pressure Coolant |
HAAS ST20SS – POWER REQUIREMENTS
| Specification | Details |
|---|---|
| Voltage Requirement | 220V / 3-Phase |
| Estimated Electrical Usage | Approx. 45 Amps |
| Pneumatic Requirement | Standard Industrial Air |
| Electrical Setup | Industrial CNC Layout |
HAAS ST20SS – DIMENSIONS
| Specification | Details |
|---|---|
| Approximate Machine Weight | Approx. 9,000 lbs |
| Machine Length | Approx. 145 in |
| Machine Width | Approx. 80 in |
| Machine Height | Approx. 75 in |
| Installation Footprint | Medium Production Layout |
HAAS ST20SS – GENERAL INFORMATION
| Specification | Details |
|---|---|
| Manufacturer | Haas Automation |
| Model | ST20SS |
| Year | 2011 |
| Machine Category | CNC Turning Center |
| Main Application | High-Speed Precision Turning |
| Typical Materials Machined | Steel, Aluminum, Brass, Stainless Steel |
INDUSTRIES THAT USE HAAS ST20SS
The HAAS ST20SS is widely used throughout industries requiring efficient CNC turning capability combined with dependable machining accuracy and high-production performance. Aerospace manufacturers frequently use the machine for machining bushings, cylindrical adapters, couplings, spacers, and structural support hardware requiring repeatable machining consistency and stable dimensional tolerances.
Automotive manufacturers commonly rely on the ST20SS for machining shafts, threaded inserts, sensor housings, spacers, and drivetrain components used throughout transportation systems and vehicle assemblies.
Medical manufacturers frequently utilize the machine for machining surgical fittings, cylindrical connectors, threaded instrument hardware, and precision medical components requiring smooth finishes and accurate dimensional control.
Oil and gas manufacturers commonly use the ST20SS for machining valve bodies, pressure fittings, industrial couplings, sleeves, and fluid-system hardware requiring stable machining performance and dependable production capability.
Industrial automation and electronics manufacturers also utilize the machine for machining instrumentation hardware, cylindrical housings, threaded supports, and precision assemblies used throughout automated manufacturing systems.
General contract machine shops continue purchasing used ST20SS machines because they provide strong production capability and faster cycle times while maintaining practical ownership costs and broad application flexibility.
The ST20SS is especially attractive for production-oriented facilities seeking improved machining speed and reduced non-cutting time without moving into significantly larger turning platforms.
Because of its machining efficiency, production flexibility, and dependable long-term performance, the HAAS ST20SS continues supporting a wide variety of industrial manufacturing applications.
TYPICAL PARTS HAAS ST20SS CAN PRODUCE
| Part Type | Examples |
|---|---|
| Aerospace Hardware | Bushings, Adapters, Couplings |
| Automotive Components | Shafts, Sensor Housings |
| Medical Components | Surgical Connectors, Sleeves |
| Oil & Gas Hardware | Valve Bodies, Pressure Fittings |
| Industrial Components | Cylindrical Housings, Supports |
| Precision Hardware | Pins, Inserts, Threaded Parts |
WHY CHOOSE HAAS ST20SS
The HAAS ST20SS is designed for manufacturers seeking faster CNC turning capability combined with dependable machining stability and strong production flexibility. One of the machine’s biggest advantages is its high-speed spindle performance and upgraded rapid traverse capability that help reduce machining cycle times and improve overall production efficiency.
The rigid slant-bed machine construction improves machining stability during aggressive cutting operations while supporting efficient chip evacuation and reduced vibration. This structural design contributes to improved dimensional consistency, smoother surface finishes, and extended cutting tool life during continuous machining cycles.
Another major advantage is the machine’s enhanced productivity capability compared to standard turning centers. Faster spindle acceleration and rapid turret indexing help maximize spindle utilization while reducing non-cutting movement time during repetitive production operations.
The Haas CNC Control system further improves operational efficiency through simplified machine programming, user-friendly operator functionality, and dependable machine management capability. Shops already operating Haas equipment benefit from easier operator training and programming consistency across multiple machines.
Automation compatibility is another important benefit. Many ST20SS machines support live tooling, bar feeders, parts catchers, programmable tailstocks, and chip conveyors that help improve unattended machining capability and reduce labor involvement during repetitive production cycles.
Manufacturers also appreciate the machine’s manageable maintenance requirements and broad aftermarket support network. Haas equipment remains widely supported throughout the manufacturing industry, simplifying replacement part sourcing and technical service availability.
Many machine shops consider the ST20SS one of the best production-oriented CNC lathes within its size category because of its combination of speed, reliability, and practical ownership costs.
For manufacturers seeking dependable high-speed CNC turning capability with strong production efficiency and broad application flexibility, the HAAS ST20SS remains one of the most respected turning centers available in the used CNC machinery market.
WHY BUY USED HAAS ST20SS
Purchasing a used 2011 HAAS ST20SS allows manufacturers to acquire productive high-speed CNC turning capability while significantly reducing equipment acquisition costs. One of the biggest advantages of purchasing used CNC machinery is the ability to obtain reliable industrial equipment without the major financial investment associated with purchasing factory-new machines.
The HAAS ST20SS remains highly desirable within the used machinery market because of its reputation for dependable machining performance, durable machine construction, and strong production capability. Properly maintained machines continue delivering efficient turning performance years after their original installation.
Another major advantage of purchasing a used ST20SS is reduced lead time. New CNC turning centers frequently involve factory scheduling delays and extended delivery timelines. Purchasing a used machine allows manufacturers to quickly expand production capacity and respond faster to changing customer demand.
Many used ST20SS machines are sold with valuable accessories already installed, including tooling packages, bar feeders, live tooling systems, parts catchers, chip conveyors, and coolant systems. These additions improve machine productivity while reducing additional setup expenses.
The machine’s relatively straightforward maintenance requirements also contribute to easier long-term ownership. Haas equipment remains one of the most widely supported CNC machine platforms within the manufacturing industry, making replacement parts, service support, and technical assistance easier to obtain.
Used ST20SS machines are especially attractive for aerospace suppliers, automotive manufacturers, industrial production facilities, medical component suppliers, and growing machine shops seeking dependable turning capability within a manageable budget.
Many shops also prefer Haas equipment because operators and programmers are already familiar with the Haas control platform, helping reduce training requirements and improve production consistency.
For manufacturers seeking affordable high-speed CNC turning capability with dependable long-term performance and strong machining flexibility, the used 2011 HAAS ST20SS remains an excellent investment opportunity within the used CNC machinery market.
HOW MUCH DOES A USED HAAS ST20SS COST?
The price of a used 2011 HAAS ST20SS depends on several important factors including spindle hours, machine condition, installed options, tooling packages, maintenance history, and current market demand. Because the ST20SS remains one of the most respected high-speed CNC turning centers within the Haas ST-Series lineup, properly maintained machines continue retaining strong resale value.
A typical used 2011 HAAS ST20SS may range from approximately $34,000 to $82,000 depending on machine configuration and operating condition. Machines equipped with live tooling, bar feeders, tooling packages, chip conveyors, programmable tailstocks, or high-pressure coolant systems often command higher pricing because of their improved automation capability and production flexibility.
Machine condition remains one of the most important pricing considerations. Buyers should inspect spindle performance, turret indexing accuracy, guideway wear, lubrication systems, coolant systems, hydraulic components, and overall machine cleanliness before purchasing. Machines with documented maintenance records and lower spindle hours generally maintain stronger market value.
Automation capability can also significantly affect resale pricing. Machines configured for unattended production operations frequently attract higher demand among manufacturers seeking improved labor efficiency and increased spindle utilization.
Dealer-listed machines may carry higher pricing compared to privately sold equipment because dealers often provide inspections, startup support, financing options, or limited warranty coverage. Transportation costs and geographic location may also influence total acquisition expenses.
The affordability, dependable machining capability, and high-speed production flexibility of the ST20SS continue making it highly attractive for machine shops and industrial manufacturers seeking reliable CNC turning performance without excessive capital investment.
Despite changes within the used CNC machinery market, the HAAS ST20SS continues to remain one of the most dependable and cost-effective high-speed turning centers available. For manufacturers seeking reliable machining capability, efficient production performance, and strong long-term ownership value, the used 2011 HAAS ST20SS remains an outstanding investment choice.
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