<ACCESSION-NUMBER>0000049826-18-000102 <TYPE>8-K <PUBLIC-DOCUMENT-COUNT>2 <PERIOD>20181024 <ITEMS>2.02 <ITEMS>9.01 <FILING-DATE>20181024 <DATE-OF-FILING-DATE-CHANGE>20181024 <FILER> <COMPANY-DATA> <CONFORMED-NAME>ILLINOIS TOOL WORKS INC <CIK>0000049826 <ASSIGNED-SIC>3560 <IRS-NUMBER>361258310 <STATE-OF-INCORPORATION>DE <FISCAL-YEAR-END>1231 </COMPANY-DATA> <FILING-VALUES> <FORM-TYPE>8-K <ACT>34 <FILE-NUMBER>001-04797 <FILM-NUMBER>181135395 </FILING-VALUES> <BUSINESS-ADDRESS> <STREET1>155 HARLEM AVENUE <CITY>GLENVIEW <STATE>IL <ZIP>60025 <PHONE>8477247500 </BUSINESS-ADDRESS> <MAIL-ADDRESS> <STREET1>155 HARLEM AVENUE <CITY>GLENVIEW <STATE>IL <ZIP>60025 </MAIL-ADDRESS> </FILER>