Exhibit 32.1



                            CERTIFICATION PURSUANT TO
                             18 U.S.C. SECTION 1350,
                             AS ADOPTED PURSUANT TO
                  SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002


In connection with the Annual Report of Keystone Consolidated  Industries,  Inc.
(the  "Company") on Form 10-K for the year ended December 31, 2005 as filed with
the Securities and Exchange  Commission on the date hereof (the  "Report"),  we,
David L. Cheek,  President and Chief Executive Officer of the Company,  and Bert
E. Downing, Jr., Vice President,  Chief Financial Officer,  Corporate Controller
and Treasurer of the Company,  certify,  pursuant to 18 U.S.C.  Section 1350, as
adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that:

     (1) The Report fully  complies  with the  requirements  of Section 13(a) or
15(d) of the Securities Exchange Act of 1934; and

     (2)  The  information  contained  in the  Report  fairly  presents,  in all
material  respects,  the  financial  condition  and result of  operations of the
Company.




/s/  David L. Cheek                    /s/  Bert E. Downing, Jr.
-------------------------------------  -------------------------
David L. Cheek                         Bert E. Downing, Jr.
President and Chief Executive Officer  Vice President, Chief Financial Officer,
March 31,2006                          Corporate Controller and Treasurer
                                       March 31, 2006



Note: The certification  the registrant  furnishes in this exhibit is not deemed
"filed" for purposes of Section 18 of the  Securities  Exchange Act of 1934,  as
amended,  or otherwise subject to the liabilities of that Section.  Registration
Statements or other documents filed with the Securities and Exchange  Commission
shall not incorporate this exhibit by reference,  except as otherwise  expressly
stated in such filing.