USED HAAS ST20 – 2012
The 2012 HAAS ST20 is a versatile CNC turning center designed to deliver dependable machining performance, strong production flexibility, and efficient turning capability for a wide range of industrial manufacturing applications. Manufactured by Haas Automation, the ST20 became one of the most widely used mid-size CNC lathes in the Haas ST-Series lineup because of its combination of rigid construction, practical turning capacity, user-friendly controls, and reliable long-term operation. The machine was engineered to support both high-production manufacturing and flexible job shop environments where precision turning performance and repeatability are essential.
The HAAS ST20 features a rigid slant-bed design that improves machine stability, thermal consistency, and chip evacuation during heavy turning operations. The slant-bed platform also enhances accessibility for tooling adjustments, maintenance procedures, and part loading, helping operators improve setup efficiency and reduce downtime. The machine is capable of machining a broad range of materials including stainless steel, carbon steel, aluminum, brass, titanium, plastics, and specialty industrial alloys used throughout modern manufacturing environments.
The 2012 ST20 commonly includes the Haas CNC control system known for its simplified programming environment and operator-friendly interface. Many manufacturers value Haas controls because of their ease of use, dependable operation, and wide industry familiarity, allowing shops to train operators more efficiently and maintain productive machining operations.
Equipped with a high-torque spindle, hydraulic chucking system, servo-index turret, and large work envelope, the ST20 is commonly used for machining couplings, bushings, threaded adapters, valve bodies, shafts, sleeves, spacers, fittings, and precision cylindrical components requiring stable tolerances and repeatable machining accuracy.
Many used HAAS ST20 machines are configured with additional productivity-enhancing options including bar feeders, tailstocks, parts catchers, chip conveyors, live tooling, and high-pressure coolant systems. These options improve production capability while supporting unattended machining operations and higher spindle utilization.
Industries including aerospace, automotive manufacturing, oil and gas, medical manufacturing, fluid systems, industrial automation, defense, and general contract machining commonly rely on the ST20 because of its reliable machining capability and flexible turning performance.
Another reason the 2012 HAAS ST20 remains highly desirable within the used CNC machinery market is the strong service and support network associated with Haas equipment. Replacement parts, tooling systems, service technicians, and operator familiarity remain widely available throughout the manufacturing industry.
Because of its practical design, dependable production capability, and proven machining performance, the 2012 HAAS ST20 continues to remain one of the most respected mid-size CNC turning centers available in the used machinery market.
HAAS ST20 – AXIS
| Specification | Details |
|---|---|
| Machine Type | CNC Slant-Bed Turning Center |
| Axis Configuration | 2-Axis CNC Turning |
| X-Axis Travel | Approx. 8.4 in |
| Z-Axis Travel | Approx. 22.5 in |
| Rapid Traverse Rate | Approx. 945 IPM |
| Motion System | Linear Guideways |
HAAS ST20 – AXIS TRAVELS / WORK ENVELOPE
| Specification | Details |
|---|---|
| Maximum Turning Diameter | Approx. 13 in |
| Maximum Turning Length | Approx. 22.5 in |
| Swing Over Bed | Approx. 21 in |
| Standard Chuck Size | 8.3 in Hydraulic Chuck |
| Bar Capacity | Approx. 2.5 in |
| Maximum Part Swing | Approx. 21 in |
HAAS ST20 – CAPACITY / TABLE
| Specification | Details |
|---|---|
| Production Capability | Medium-to-High Volume Turning |
| Typical Part Size | Small & Medium Cylindrical Parts |
| Workholding Configuration | Chuck & Bar Work |
| Automation Compatibility | Yes |
| Application Type | Production & Job Shop Use |
HAAS ST20 – SPINDLE
| Specification | Details |
|---|---|
| Maximum Spindle Speed | Approx. 4000 RPM |
| Spindle Motor Power | Approx. 20 HP |
| Spindle Nose | A2-6 |
| Spindle Bore Diameter | Approx. 3.5 in |
| Drive Type | Belt Drive |
| Spindle Style | Heavy-Duty Precision Spindle |
HAAS ST20 – TOOL CHANGER
| Specification | Details |
|---|---|
| Turret Capacity | 12 Stations |
| Turret Style | Bolt-On Tool Turret |
| Tool Configuration | OD & ID Tooling |
| Indexing Type | Servo Indexed |
| Live Tooling Capability | Optional |
HAAS ST20 – CONTROL SYSTEM
| Specification | Details |
|---|---|
| CNC Control | Haas CNC Control |
| Programming Capability | Conversational & G-Code |
| USB Connectivity | Standard |
| Ethernet Support | Optional |
| Operator Interface | LCD Display |
HAAS ST20 – COOLANT / DUST / WATER MANAGEMENT
| Specification | Details |
|---|---|
| Coolant System | Flood Coolant |
| Coolant Capacity | Approx. 55 Gallons |
| Chip Management | Chip Conveyor or Tray |
| Coolant Pump | Multi-Stage Pump |
| Optional Features | High-Pressure Coolant |
HAAS ST20 – POWER REQUIREMENTS
| Specification | Details |
|---|---|
| Voltage Requirement | 220V / 3-Phase |
| Estimated Power Consumption | Approx. 40 Amps |
| Pneumatic Supply | Standard Shop Air |
| Electrical Configuration | Industrial CNC Setup |
HAAS ST20 – DIMENSIONS
| Specification | Details |
|---|---|
| Approximate Weight | Approx. 8,800 lbs |
| Machine Length | Approx. 142 in |
| Machine Width | Approx. 90 in |
| Machine Height | Approx. 92 in |
| Installation Footprint | Medium Production Layout |
HAAS ST20 – GENERAL INFORMATION
| Specification | Details |
|---|---|
| Manufacturer | Haas Automation |
| Model | ST20 |
| Year | 2012 |
| Machine Category | CNC Turning Center |
| Primary Application | Precision CNC Turning |
| Typical Materials Machined | Steel, Aluminum, Brass, Stainless Steel |
INDUSTRIES THAT USE HAAS ST20
The HAAS ST20 is widely utilized across industries requiring dependable CNC turning capability combined with strong production flexibility and precision machining performance. Aerospace manufacturers frequently use the machine for machining couplings, bushings, threaded adapters, cylindrical housings, and structural support hardware requiring repeatable tolerances and reliable machining consistency.
Automotive manufacturers commonly rely on the ST20 for producing drivetrain components, sensor housings, spacers, threaded inserts, shafts, and precision cylindrical hardware used throughout vehicle assemblies and transportation systems.
Oil and gas manufacturers frequently utilize the machine for machining valve components, pressure fittings, threaded couplings, sleeves, and fluid-system hardware requiring stable machining performance and dependable production consistency.
Medical manufacturers also use the ST20 for machining surgical hardware, cylindrical connectors, instrument sleeves, and precision medical components requiring smooth finishes and tight dimensional control.
Industrial automation and electronics manufacturers commonly utilize the machine for producing instrumentation hardware, cylindrical housings, threaded inserts, and support components used in automated systems and industrial machinery.
General contract machine shops continue purchasing used ST20 machines because they provide flexible machining capability while maintaining manageable ownership costs and broad application versatility.
The ST20 is especially attractive for shops requiring a balance between compact machine size and larger turning capacity compared to smaller CNC lathes. Many operators also appreciate the machine’s straightforward programming interface and dependable long-term operation.
Because of its machining versatility, stable turning performance, and broad industry acceptance, the HAAS ST20 continues supporting a wide range of industrial manufacturing operations.
TYPICAL PARTS HAAS ST20 CAN PRODUCE
| Part Type | Examples |
|---|---|
| Aerospace Components | Bushings, Couplings, Adapters |
| Automotive Components | Shafts, Sensor Housings |
| Oil & Gas Hardware | Valve Bodies, Pressure Fittings |
| Medical Components | Surgical Connectors, Sleeves |
| Industrial Components | Cylindrical Housings, Spacers |
| Precision Hardware | Pins, Threaded Inserts, Fittings |
WHY CHOOSE HAAS ST20
The HAAS ST20 is designed for manufacturers seeking dependable CNC turning capability combined with strong production flexibility and efficient machining performance. One of the machine’s biggest advantages is its ability to provide substantial turning capacity while maintaining a practical footprint suitable for a wide range of manufacturing environments.
The rigid slant-bed construction improves machine stability during machining operations while enhancing chip evacuation and reducing vibration during heavy cutting cycles. Improved structural rigidity contributes to better surface finishes, longer tool life, and more consistent machining accuracy throughout production runs.
Another major advantage is the machine’s spindle performance and bar capacity. The ST20 provides greater machining flexibility compared to smaller compact lathes, allowing manufacturers to machine larger diameter components while maintaining efficient cycle times and dependable cutting performance.
The Haas control system further improves operational efficiency through its intuitive programming environment and operator-friendly interface. Many machine shops already operating Haas equipment benefit from simplified operator training and programming consistency across multiple machines.
Automation compatibility is another important advantage. Many ST20 machines support bar feeders, chip conveyors, tailstocks, parts catchers, and live tooling systems that help improve spindle utilization and reduce labor involvement during repetitive production operations.
Manufacturers also appreciate the machine’s broad aftermarket support network. Haas equipment remains widely supported throughout the manufacturing industry, simplifying maintenance procedures, replacement parts sourcing, and technical service access.
Many operators view the ST20 as an ideal balance between affordability, machining capability, and long-term reliability. The machine offers strong production performance without the complexity and operating costs associated with larger CNC turning centers.
For manufacturers seeking reliable CNC turning capability with excellent production flexibility and manageable ownership costs, the HAAS ST20 remains one of the most respected mid-size turning centers available in the used CNC machinery market.
WHY BUY USED HAAS ST20
Purchasing a used 2012 HAAS ST20 allows manufacturers to obtain proven CNC turning capability while significantly reducing overall equipment investment costs. One of the biggest advantages of purchasing used CNC machinery is the ability to acquire productive industrial equipment without the substantial financial commitment associated with new machine purchases.
The HAAS ST20 remains highly desirable within the used machinery market because of its reputation for dependable machining performance, durable construction, and long-term reliability. Properly maintained machines continue providing productive turning capability years after their original installation.
Another major advantage of purchasing a used ST20 is reduced lead time. New CNC turning centers often involve factory scheduling delays and extended delivery timelines. Purchasing a used machine allows manufacturers to quickly increase production capacity and respond faster to changing customer demand.
Many used ST20 machines are also sold with valuable production accessories already installed, including bar feeders, tooling packages, chip conveyors, tailstocks, and coolant systems. These additions improve productivity while reducing additional setup expenses.
The machine’s manageable maintenance requirements also contribute to easier long-term ownership. Haas equipment remains one of the most widely supported CNC platforms within the manufacturing industry, making replacement parts, technical support, and service resources easier to obtain.
Used ST20 machines are especially attractive for aerospace suppliers, automotive manufacturers, oil and gas suppliers, medical manufacturers, and growing CNC machine shops requiring dependable turning capability within a manageable budget.
Many shops also appreciate the broad industry familiarity associated with Haas equipment. Operators, programmers, and maintenance personnel often already possess experience working with Haas controls and machine platforms.
For manufacturers seeking affordable CNC turning capability with dependable long-term performance and strong machining flexibility, the used 2012 HAAS ST20 remains an excellent investment opportunity within the used CNC machinery market.
HOW MUCH DOES A USED HAAS ST20 COST?
The price of a used 2012 HAAS ST20 depends on several important factors including machine condition, spindle hours, installed options, tooling packages, maintenance history, and current market demand. Because the ST20 remains one of the most respected mid-size turning centers within the Haas ST-Series lineup, properly maintained machines continue retaining strong resale value.
A typical used 2012 HAAS ST20 may range from approximately $28,000 to $65,000 depending on machine configuration and operating condition. Machines equipped with live tooling, bar feeders, tailstocks, chip conveyors, tooling packages, or high-pressure coolant systems often command higher pricing because of their improved production capability and automation readiness.
Machine condition remains one of the most important pricing considerations. Buyers should inspect spindle condition, turret indexing accuracy, guideway wear, lubrication systems, coolant systems, hydraulic components, and overall machine cleanliness before completing a purchase. Machines with documented maintenance records and lower spindle hours generally maintain stronger market value.
Automation capability can significantly affect resale pricing. Machines configured for unattended production operations frequently attract higher demand among manufacturers seeking improved labor efficiency and greater spindle utilization.
Dealer-listed equipment may carry higher pricing compared to privately sold machines because dealers often provide inspections, startup support, financing assistance, or limited warranty coverage. Transportation costs and geographic location may also influence total acquisition expenses.
The affordability, reliable machining capability, and broad application flexibility of the ST20 continue to make it highly attractive for machine shops and production manufacturers seeking dependable CNC turning performance without excessive capital investment.
Despite changes within the used CNC machinery market, the HAAS ST20 continues to remain one of the most dependable and cost-effective mid-size CNC turning centers available. For manufacturers seeking reliable machining capability, efficient production performance, and strong long-term ownership value, the used 2012 HAAS ST20 remains an outstanding investment choice.
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