USED HAAS ST25 – 2021
The 2021 HAAS ST25 is a modern CNC turning center engineered for high-efficiency machining, larger bar capacity applications, and precision production turning. As part of Haas Automation’s advanced ST-Series lathe lineup, the ST25 combines powerful spindle performance, rigid machine construction, modern control technology, and compact floor space utilization into a highly productive CNC machining platform. The machine is widely used across manufacturing industries that require dependable turning capability, tight tolerances, and long-term production reliability.
The HAAS ST25 is specifically designed for medium-to-heavy-duty turning operations where larger spindle bore capacity and higher material throughput are important. Compared to smaller turning centers, the ST25 offers increased bar capacity and stronger cutting capability while maintaining the ease of operation and compact footprint that Haas machines are known for. Its slant-bed construction improves rigidity and vibration control while enhancing chip evacuation during demanding machining cycles.
The 2021 ST25 is capable of performing turning, threading, boring, grooving, drilling, contouring, and facing operations across a wide range of materials including stainless steel, alloy steel, aluminum, brass, titanium, cast iron, plastics, and specialty engineered materials. The machine is commonly used in aerospace, automotive, medical manufacturing, hydraulics, oil and gas, electronics, energy, and industrial machining environments.
Typical components produced on the HAAS ST25 include valve bodies, hydraulic fittings, threaded adapters, shafts, couplings, bushings, aerospace connectors, precision sleeves, industrial fasteners, and custom production parts requiring high repeatability and dimensional accuracy. Its larger spindle bore allows shops to process larger diameter bar stock efficiently while minimizing secondary operations and material handling time.
The 2021 model also benefits from the Haas Next Generation Control system, which provides faster processing capability, improved graphics, touchscreen operation, expanded memory, USB and Ethernet connectivity, and simplified conversational programming features. The control system is widely appreciated throughout the machining industry for its user-friendly layout and efficient setup functionality.
Because of its larger turning capacity, strong spindle performance, modern CNC technology, and reliable long-term operation, the used 2021 HAAS ST25 remains one of the most desirable CNC turning centers available in today’s used machinery market.
HAAS ST25 – AXIS
| SPECIFICATION | DETAILS |
|---|---|
| X-Axis Travel | Approx. 8.4″ |
| Z-Axis Travel | Approx. 22.5″ |
| Rapid Traverse Rate | Approx. 945 IPM |
| Axis Drive Type | Digital Servo Drives |
| Machine Configuration | 2-Axis CNC Turning Center |
HAAS ST25 – AXIS TRAVELS / WORK ENVELOPE
| SPECIFICATION | DETAILS |
|---|---|
| Maximum Swing Diameter | Approx. 21″ |
| Maximum Turning Diameter | Approx. 13″ |
| Maximum Turning Length | Approx. 22.5″ |
| Bar Capacity | Approx. 3.0″ |
| Chuck Size | 10″ Hydraulic Chuck |
HAAS ST25 – CAPACITY / TABLE
| SPECIFICATION | DETAILS |
|---|---|
| Maximum Part Weight | Approx. 250–350 lbs |
| Turret Capacity | 12 Station Turret |
| Tailstock | Optional Programmable Tailstock |
| Machine Construction | Heavy-Duty Slant-Bed Design |
| Machining Operations | Turning, Facing & Threading |
HAAS ST25 – SPINDLE
| SPECIFICATION | DETAILS |
|---|---|
| Maximum Spindle Speed | Approx. 3,400 RPM |
| Spindle Motor Power | Approx. 30 HP |
| Spindle Nose | A2-6 |
| Spindle Bore | Approx. 3.5″ |
| Drive System | Vector Spindle Drive |
HAAS ST25 – TOOL CHANGER
| SPECIFICATION | DETAILS |
|---|---|
| Turret Type | Automatic Bolt-On Turret |
| Number of Tool Stations | 12 |
| Indexing System | Servo Driven |
| Tool Mounting Style | BOT Configuration |
| Optional Features | Tool Presetter & Live Tooling |
HAAS ST25 – CONTROL SYSTEM
| SPECIFICATION | DETAILS |
|---|---|
| CNC Control | Haas Next Generation Control |
| Programming Capability | G-Code & Conversational |
| Display Interface | Touchscreen LCD Display |
| Connectivity | USB / Ethernet / Network |
| Program Storage | Expanded Internal Memory |
HAAS ST25 – COOLANT / CHIP MANAGEMENT
| SPECIFICATION | DETAILS |
|---|---|
| Coolant System | Flood Coolant |
| Chip Removal | Chip Conveyor / Auger |
| Coolant Capacity | Approx. 55 Gallons |
| Machine Enclosure | Full Splash Enclosure |
| Filtration System | Industrial Filtration |
HAAS ST25 – POWER REQUIREMENTS
| SPECIFICATION | DETAILS |
|---|---|
| Voltage | 220V / 440V |
| Electrical Supply | 3 Phase |
| Air Requirement | Standard Shop Air |
| Estimated Power Consumption | Approx. 25–35 kVA |
| Operating Environment | Industrial Production |
HAAS ST25 – DIMENSIONS
| SPECIFICATION | DETAILS |
|---|---|
| Machine Length | Approx. 165″ |
| Machine Width | Approx. 80″–90″ |
| Machine Height | Approx. 90″ |
| Machine Weight | Approx. 10,000–12,500 lbs |
| Installation Footprint | Compact Big-Bore Turning Cell |
HAAS ST25 – GENERAL INFORMATION
| SPECIFICATION | DETAILS |
|---|---|
| Manufacturer | Haas Automation |
| Machine Type | CNC Turning Center |
| Model | ST25 |
| Year | 2021 |
| Country of Manufacture | USA |
INDUSTRIES THAT USE HAAS ST25
| INDUSTRY | APPLICATIONS |
|---|---|
| Aerospace | Precision Rotational Components |
| Automotive | Shaft & Drivetrain Production |
| Oil & Gas | Valve & Hydraulic Parts |
| Medical | Precision Machined Components |
| Electronics | Connector Manufacturing |
| Industrial Manufacturing | Production CNC Turning |
TYPICAL PARTS HAAS ST25 CAN PRODUCE
| PART TYPE | DESCRIPTION |
|---|---|
| Valve Bodies | Flow Control Components |
| Hydraulic Fittings | Fluid System Parts |
| Precision Shafts | Rotational Machined Parts |
| Threaded Adapters | Industrial Connectors |
| Bushings | Tight-Tolerance Components |
| Custom Production Parts | Prototype & Production Machining |
WHY CHOOSE HAAS ST25
| FEATURE | BENEFIT |
|---|---|
| Large Spindle Bore | Supports Larger Diameter Material |
| Powerful Spindle Motor | Heavy Cutting Capability |
| Compact Machine Design | Efficient Floor Space Usage |
| Next Generation Control | Faster Setup & Programming |
| Industrial Construction | Reliable Long-Term Performance |
| Strong Resale Demand | Excellent Investment Value |
WHY BUY USED HAAS ST25
Purchasing a used 2021 HAAS ST25 is an excellent choice for manufacturers seeking modern CNC turning technology without the higher investment associated with new equipment purchases. One of the biggest advantages of the ST25 is its combination of compact machine design and larger spindle bore capacity, allowing manufacturers to process larger diameter materials while maintaining excellent machining precision and productivity.
The machine’s rigid slant-bed construction helps improve cutting stability during demanding machining operations. Reduced vibration allows operators to maintain tighter dimensional tolerances, improve surface finishes, and extend tool life during both roughing and finishing cycles. This makes the ST25 highly effective for continuous production environments involving difficult materials and high-volume machining operations.
Another major reason shops continue to purchase used HAAS ST25 machines is the reliability and simplicity of the Haas Next Generation Control system. The control platform offers intuitive touchscreen operation, improved graphics, expanded memory, Ethernet networking capability, and simplified conversational programming features. Haas controls are widely recognized throughout the machining industry for their ease of use, helping manufacturers reduce operator training time and improve production efficiency.
The ST25 is also highly versatile across industries including aerospace, automotive, medical manufacturing, oil and gas, electronics, energy, and precision industrial machining. The machine is capable of machining steel, stainless steel, titanium, aluminum, brass, and engineered materials while supporting turning, threading, grooving, drilling, and contouring operations. Many used machines additionally include production-enhancing features such as chip conveyors, programmable tailstocks, parts catchers, high-pressure coolant systems, and automation-ready configurations.
Another important benefit of purchasing a used HAAS ST25 is the strong aftermarket support available for Haas equipment. Replacement parts, tooling systems, service technicians, and maintenance resources remain widely accessible, helping manufacturers reduce downtime and maintain long-term operational reliability.
For manufacturers seeking a reliable big-bore CNC turning center with modern controls, powerful spindle capability, and lower ownership costs, the used 2021 HAAS ST25 remains one of the most practical and cost-effective CNC lathe solutions available today.
HOW MUCH DOES A USED HAAS ST25 COST?
The cost of a used 2021 HAAS ST25 depends on several factors including machine condition, spindle hours, tooling packages, installed options, automation features, and overall maintenance history. Since the 2021 model belongs to Haas Automation’s newer-generation ST-Series lineup with advanced control technology and modern production capability, these machines generally maintain strong resale demand and stable pricing in the used CNC equipment market.
Machines in excellent operating condition with lower spindle hours typically command stronger resale values. Machines equipped with premium options such as programmable tailstocks, chip conveyors, bar feeders, parts catchers, high-pressure coolant systems, live tooling packages, or automation integrations often sell at higher prices because they improve productivity and increase machining flexibility.
Machine condition remains one of the most important pricing considerations. Buyers commonly inspect spindle condition, turret indexing accuracy, axis backlash, lubrication systems, hydraulic systems, coolant systems, machine geometry, and overall operational performance before purchasing a used CNC turning center. Machines with documented maintenance records and preventative service history generally retain stronger market value because they may require fewer repairs or refurbishment expenses after installation.
The strong industry reputation of Haas Automation also contributes to the resale value of the ST25. Haas machines are highly desirable because of their dependable performance, operator-friendly controls, and broad aftermarket support network. Many shops specifically seek Haas equipment because experienced machinists are already familiar with Haas programming systems, helping reduce training time and production startup costs.
A used 2021 HAAS ST25 commonly sells within an estimated range of approximately $65,000 to $145,000 depending on condition, spindle hours, tooling, automation equipment, and installed accessories. Exceptionally clean machines with low hours, advanced production options, or automation systems may exceed this range, while machines requiring repair or refurbishment may sell below average market pricing.
Additional ownership expenses such as transportation, rigging, installation, electrical setup, tooling purchases, coolant systems, and preventative maintenance should also be considered when evaluating total investment costs. Even with these added expenses, many manufacturers find that purchasing a used HAAS ST25 provides outstanding long-term value by delivering modern CNC turning capability at a substantially lower cost than purchasing comparable new equipment.
