Inquiry (采购产品): Ball Screw We have a Milltronics machine with a Twentieth Century Ball Screw and I am unable to contact 20th Century - Your info came up on the web - can you cross-reference 20th Century screws ? **** Hidden Message ***** Mark Patrick 53153 Company: Central Pattern Corp. WI E-mail: mark@centralpatterncorp.com **** Hidden Message ***** mark@centralpatterncorp.com