📚 Educational reference — no pricing, not for sale. Independent used-machine research and seller-source discovery are available in our market directory.
📋 Spec data: Detailed (86 fields) · compiled from manufacturer and public sources · reference updated 2026-09-24. These specifications describe the model in general. The year, control generation, spindle, and option package of a specific unit may differ — always verify against the actual machine. Methodology · Data sources.
About the Haas ST-20Y
The Haas ST-20Y is catalogued under Turning Centers & Lathes in The Machine Blue Book CNC machine reference library. This entry documents the machine for identification and education; specifications above are compiled from manufacturer and public sources and describe the model, not a specific unit.
Machine value research
This specification page identifies the Haas ST-20Y. For separate market evidence, review observed Haas ST-20Y asking prices by year. Published asking prices are market observations—not completed-sale proof, an appraisal, or a guarantee of availability.
