USED HAAS ST20SS – 2011
The 2011 HAAS ST20SS is a high-speed CNC turning center designed for manufacturers requiring faster cycle times, improved spindle performance, and efficient production machining capability. Manufactured by Haas Automation, the ST20SS was developed as a high-performance version of the standard ST20 platform, offering enhanced spindle speed, upgraded turret performance, and improved rapid traverse capability for demanding production environments. The “SS” designation refers to “Super Speed,” making this machine especially attractive for shops focused on reducing cycle times and increasing production throughput.
The HAAS ST20SS features a rigid slant-bed machine construction engineered to improve cutting stability, thermal consistency, and chip evacuation during continuous machining operations. The slant-bed configuration reduces vibration during aggressive turning cycles while supporting improved surface finishes and stable dimensional accuracy across extended production runs. This machine layout also improves operator accessibility during setup procedures, tooling changes, maintenance tasks, and part loading operations.
Compared to standard ST-series lathes, the ST20SS includes a higher-performance spindle system capable of reaching faster RPM ranges while maintaining strong cutting torque for demanding machining applications. The machine is capable of machining aluminum, stainless steel, carbon steel, brass, titanium, plastics, and specialty industrial alloys commonly used throughout aerospace, automotive, medical, defense, oil and gas, and industrial manufacturing sectors.
Many 2011 HAAS ST20SS machines feature upgraded turret systems with faster indexing capability and optional live tooling configurations that improve overall machining efficiency. The machine is commonly used for machining shafts, couplings, bushings, threaded adapters, hydraulic fittings, valve bodies, sleeves, spacers, cylindrical housings, and high-precision production components requiring repeatable machining accuracy and efficient cycle times.
The 2011 ST20SS commonly includes the Haas CNC Control platform known for its operator-friendly programming environment, dependable machine management, and simplified setup procedures. Many shops already operating Haas equipment prefer the ST20SS because programmers and operators are already familiar with the control platform.
Optional features frequently found on used ST20SS machines include live tooling, programmable tailstocks, bar feeders, chip conveyors, automatic tool presetters, parts catchers, and high-pressure coolant systems. These options help manufacturers improve spindle utilization while supporting unattended production operations.
Industries including aerospace manufacturing, transportation, industrial automation, fluid systems, medical manufacturing, and precision contract machining commonly rely on the ST20SS because of its combination of speed, rigidity, and dependable turning performance.
Because of its modern production capability, reliable machining performance, and strong aftermarket support network, the 2011 HAAS ST20SS continues to remain one of the most desirable high-speed CNC turning centers available in the used machinery market.
HAAS ST20SS – AXIS
| Specification | Details |
|---|---|
| Machine Configuration | 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 Rate X-Axis | Approx. 945 IPM |
| Rapid Traverse Rate Z-Axis | Approx. 1200 IPM |
| Guideway 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 Bed | Approx. 31.75 in |
| Chuck Size | 8.3 in Hydraulic Chuck |
| Maximum Bar Capacity | Approx. 2 in |
| Maximum Swing Capacity | Approx. 20.75 in |
HAAS ST20SS – CAPACITY / TABLE
| Specification | Details |
|---|---|
| Production Capability | High-Speed Production Turning |
| Typical Workpiece Size | Small & Medium Precision Components |
| Workholding Capability | Chuck & Bar Work |
| Automation Compatibility | Yes |
| Application Environment | Production & Job Shop Use |
HAAS ST20SS – SPINDLE
| Specification | Details |
|---|---|
| Maximum Spindle Speed | Approx. 5000 RPM |
| Spindle Motor Power | Approx. 30 HP |
| Spindle Nose | A2-6 |
| Spindle Bore Diameter | Approx. 3 in |
| Drive Configuration | Vector Drive |
| Spindle Style | Heavy-Duty High-Speed Spindle |
HAAS ST20SS – TOOL CHANGER
| Specification | Details |
|---|---|
| Turret Capacity | 12 or 24 Stations |
| Turret Configuration | VDI/BOT Hybrid or Bolt-On |
| Tooling Style | OD & ID Tooling |
| Turret Indexing | High-Speed Servo Indexing |
| Live Tooling Capability | Optional |
HAAS ST20SS – CONTROL SYSTEM
| Specification | Details |
|---|---|
| CNC Control Platform | Haas CNC Control |
| Programming Capability | Conversational & G-Code |
| USB Connectivity | Standard |
| Ethernet Capability | Yes |
| Display Interface | LCD Color Display |
HAAS ST20SS – COOLANT / DUST / WATER MANAGEMENT
| Specification | Details |
|---|---|
| Coolant System | Flood Coolant |
| Coolant Tank Capacity | Approx. 55 Gallons |
| Chip Handling | Chip Conveyor or Tray |
| Coolant Pump | Multi-Stage Pump |
| Optional Features | High-Pressure Coolant |
HAAS ST20SS – POWER REQUIREMENTS
| Specification | Details |
|---|---|
| Voltage Requirement | 220V / 3-Phase |
| Estimated Power Usage | Approx. 45 Amps |
| Pneumatic Requirement | Standard Industrial Air |
| Electrical Configuration | Industrial CNC Layout |
HAAS ST20SS – DIMENSIONS
| Specification | Details |
|---|---|
| Approximate 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 |
| Primary Application | High-Speed Precision Turning |
| Typical Materials Machined | Steel, Aluminum, Brass, Stainless Steel |
INDUSTRIES THAT USE HAAS ST20SS
The HAAS ST20SS is widely utilized across industries requiring high-speed CNC turning capability combined with dependable machining accuracy and efficient production output. Aerospace manufacturers frequently use the machine for machining bushings, couplings, cylindrical adapters, spacers, and structural support hardware requiring tight tolerances and repeatable machining consistency.
Automotive manufacturers commonly rely on the ST20SS for machining drivetrain components, shafts, threaded inserts, sensor housings, spacers, and precision cylindrical parts used throughout vehicle assemblies and transportation systems.
Medical manufacturers frequently use the ST20SS for producing surgical fittings, cylindrical connectors, instrument hardware, threaded sleeves, and precision medical components requiring smooth surface finishes and accurate dimensional control.
Oil and gas manufacturers utilize the machine for machining pressure fittings, valve bodies, threaded couplings, sleeves, and fluid-system components requiring dependable machining stability and reliable production capability.
Industrial automation and electronics manufacturers also use the ST20SS for machining instrumentation hardware, cylindrical housings, support assemblies, and precision threaded components used throughout automated production systems.
General machine shops continue investing in used ST20SS machines because they provide faster cycle times and stronger productivity capability compared to standard CNC turning centers while maintaining manageable operating costs.
The ST20SS is especially attractive for production-oriented facilities seeking improved spindle speed and faster turret indexing capability for repetitive machining operations.
Because of its production efficiency, machining flexibility, and dependable long-term performance, the HAAS ST20SS continues supporting a broad range 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 performance and strong production flexibility. One of the machine’s biggest advantages is its enhanced spindle speed and rapid traverse capability compared to standard turning centers, allowing manufacturers to reduce cycle times and improve overall production efficiency.
The rigid slant-bed construction improves machining stability during demanding cutting operations while supporting improved chip evacuation and reduced vibration. This structural design contributes to greater dimensional consistency, improved surface finishes, and longer cutting tool life during continuous machining cycles.
Another major advantage is the machine’s high-speed spindle system and upgraded turret performance. The ST20SS is optimized for production machining environments where rapid tool changes and faster spindle acceleration help maximize spindle utilization and reduce non-cutting time.
The Haas CNC Control further improves productivity through simplified machine programming and intuitive operator functionality. Shops already operating Haas equipment benefit from reduced training requirements and improved programming consistency across multiple machines.
Automation compatibility is another important advantage. Many ST20SS machines support live tooling, bar feeders, programmable tailstocks, parts catchers, and chip conveyors that help improve unattended production capability and reduce labor involvement during repetitive machining operations.
Manufacturers also appreciate the machine’s manageable maintenance requirements and strong aftermarket support network. Haas equipment remains widely supported throughout the manufacturing industry, simplifying technical service access and replacement part sourcing.
Many operators consider the ST20SS an ideal solution for shops requiring improved production speed without moving into significantly larger or more complex turning platforms.
For manufacturers seeking reliable 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 high-speed CNC turning capability while significantly reducing overall equipment acquisition costs. One of the biggest advantages of purchasing used CNC machinery is the ability to obtain productive industrial equipment without the large financial commitment associated with new machine purchases.
The HAAS ST20SS remains highly desirable within the used machinery market because of its reputation for reliable machining performance, durable machine construction, and efficient production capability. Properly maintained machines continue delivering dependable turning performance years after their original installation.
Another major advantage of purchasing a used ST20SS is faster machine availability. New CNC turning centers frequently involve extended lead times and factory scheduling delays. Purchasing a used machine allows manufacturers to increase production capacity quickly and respond faster to changing customer demand.
Many used ST20SS machines are also sold with valuable production accessories already installed, including bar feeders, live tooling systems, tooling packages, chip conveyors, parts catchers, and coolant systems. These additions improve production efficiency while reducing additional setup costs.
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, technical support, and service technicians 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 simplify training and improve production workflow 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 machine condition, spindle hours, installed options, tooling packages, maintenance history, and overall 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 $32,000 to $78,000 depending on machine configuration and operating condition. Machines equipped with live tooling, bar feeders, programmable tailstocks, tooling packages, chip conveyors, 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 completing a purchase. Machines with lower spindle hours and documented maintenance records generally maintain stronger market value.
Automation capability can also significantly influence resale pricing. Machines configured for unattended production operations frequently attract higher demand among manufacturers seeking improved labor efficiency and increased spindle utilization.
Dealer-listed equipment may carry higher pricing compared to privately sold machines because dealers often provide inspections, startup assistance, financing options, or limited warranty support. 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 production-oriented 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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