Home › Blog › Buying Guide › Industrial Insights: How to Spot Quality in Pre-Owned, Used, Secondhand, Surplus CNC Equipment Before Purchase HAAS DT-1 Drill & Tap Machining Center made in USA Here is a deep “industrial-insights” guide and checklist for spotting quality (and hidden risks) when buying a pre-owned / used / surplus HAAS DT-1 Drill-Tap / Machining Center (made in USA)....