Mail Stop 4628 October 23, 2018 Via Facsimile Christopher M. Hix Senior Vice President, Chief Financial Officer and Treasurer Colfax Corporation 420 National Business Parkway, 5th Floor Annapolis Junction, MD 20701 Re: Colfax Corporation Form 10-K for the Fiscal Year Ended December 31, 2017 Filed February 16, 2018 File No. 1-34045 Dear Mr. Hix: We refer you to our comment letter dated October 4, 2018 regarding business contacts with Sudan and Syria. We have completed our review of this subject matter. We remind you that the company and its management are responsible for the accuracy and adequacy of their disclosures, notwithstanding any review, comments, action or absence of action by the staff. Sincerely, /s/ Cecilia Blye Cecilia Blye, Chief Office of Global Security Risk cc: Ronald Mueller, Esq. Gibson, Dunn & Crutcher LLP Amanda Ravitz Assistant Director