UNITED STATES
                       SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549

                           __________________________

                                    FORM 8-K

                                 CURRENT REPORT

     PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

        Date of Report (Date of earliest event reported) July 7, 2004

                                     0-25424
                             Commission File Number

                                 SEMITOOL, INC.
             (Exact Name of Registrant as Specified in Its Charter)

          Montana                                          81-0384392
(State or other jurisdiction of                         (I.R.S. Employer
 incorporation or organization)                        Identification No.)


                                 Semitool, Inc.
                655 West Reserve Drive, Kalispell, Montana 59901
                                 (406) 752-2107
          (Address, including zip code, and telephone number, including
             area code, of registrant's principal executive offices)




Item 7.    Financial Statements and Exhibits

   (c) Exhibits:

       Exhibit No.    Description
       ------------   -----------

       Exhibit 99.1   Press Release dated July 7, 2004

Item 12.   Results of Operations and Financial Condition

On July 7, 2004, Semitool, Inc. (the Company") issued a press release
announcing a change in the Company's anticipated financial results for the third
quarter ended June 30, 2004. A copy of the press release is attached hereto as
Exhibit 99.1.

The information in this report (including Exhibit 99.1) is being furnished
pursuant to Item 12 and shall not be deemed to be "filed" for purposes of
Section 18 of the Securities Exchange Act of 1934 (the "Exchange Act") or
otherwise subject to the liabilities of that section, nor shall it be deemed to
be incorporated by reference in any filing under the Securities Act of 1933 or
the Exchange Act.




                                   Signatures

Pursuant to the requirements of the Securities Exchange Act of 1934, the
Registrant has duly caused this report to be signed on its behalf by the
undersigned thereunto duly authorized.




                                            SEMITOOL, INC.
                                            (Registrant)




Date: July 7, 2004                          By: /s/ Larry A. Viano
                                                --------------------------------
                                                    Larry A. Viano
                                                    Chief Financial Officer