Home › Blog › Buying Guide › Smart Buyer’s Guide: How to Choose the Right Pre-Owned, Used, Secondhand, Surplus CNC Equipment Before Purchasing Hardinge GS-51MS CNC Lathe made in USA Here’s a tailored “Smart Buyer’s Guide” for evaluating pre-owned / used / surplus CNC lathes, with a focus on a model like the Hardinge GS-51MS....