Apex Machinery Supply, Inc. WEBApex Machinery Supply, Inc. has been providing high quality machine tool supplies for over 20 years with a focus on EDM, Hard Milling and High Speed Machining (HSM). Utilizing these technologies, u Apex Machinery Supply, Inc. has been providing high quality machine tool supplies for over 20 years with a focus on EDM, Hard Milling and High Speed Machining (HSM). Utilizing these technologies, users are cutting hardened materials in greatly reduced times and eliminating additional processes.