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                       SECURITIES AND EXCHANGE COMMISSION

                             Washington, D.C. 20549

                             ---------------------


                                    FORM 8-K

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

         Date of Report (Date of earliest event reported): MAY 17, 1999

                             MANSUR INDUSTRIES INC.
             (Exact name of registrant as specified in its charter)

                                    FLORIDA
                 (State or other jurisdiction of incorporation)

                  000-21325                            65-0226813
          (Commission File Number)         (I.R.S. Employer Identification No.)

      8305 N.W. 27TH STREET, SUITE 107
               MIAMI, FLORIDA                             33122
(Address of principal executive offices)                (Zip Code)

                                 (305) 593-8015

              (Registrant's telephone number, including area code)

                                (NOT APPLICABLE)

         (Former name or former address, if changed since last report)

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                            Exhibit Index at Page 2

ITEM 5. OTHER EVENTS.

                  On May 17, 1999, Mansur Industries Inc. (the "Registrant")
         consummated the sale of an aggregate of 50,500 shares of newly created
         Series B Convertible Preferred Stock. A copy of the press release
         issued by the Registrant on May 10, 1999 announcing the transaction is
         attached hereto as Exhibit 99.1 and incorporated herein by reference.

ITEM 7. FINANCIAL STATEMENTS, PRO FORMA FINANCIAL INFORMATION AND EXHIBITS.

        (c)     Exhibits

                  The following Exhibits are provided in accordance with the
        provisions of Item 601 of Regulation S-B and are filed herewith unless
        otherwise noted.

                                 EXHIBIT INDEX

         4.1      Certificate of Designation of Series B Convertible Preferred
                  Stock dated as of May 13, 1999.

         4.2      Form of Series B Convertible Preferred Stock certificate.

         99.1     Press Release of Mansur Industries Inc. dated May 10, 1999.

                                   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 hereunto duly authorized.

                                             MANSUR INDUSTRIES INC.


Date:  May 19,  1999                         By: /s/ Paul I. Mansur
                                                 ------------------------------
                                                 Chief Executive Officer



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