need help connecting spindle

hi guys,
i have cnc milling machine,and factory spindle dies.i get this one from my friend,who has it for few years unused.i bought new VFD and now i dont know how to connect this.
tried to search aroound,but no luck.
please help if you can.
https://imageupload.io/i/Mr1XSghdeq
https://imageupload.io/i/Mr1XSghdeq
https://imageupload.io/i/Mr1XSghdeq
https://imageupload.io/i/Mr1XSghdeq

https://imageupload.io/i/hShgM41cuH
https://imageupload.io/i/UwDhBm0xtZ

solved