1 EXHIBIT 23.1 INDEPENDENT AUDITOR'S CONSENT We consent to the incorporation by reference in Registration Statement No. 333-05567 of Haskel International, Inc. on Form S-8 of our report dated July 17, 1998, appearing in the Annual Report on Form 10-K of Haskel International, Inc. for the year ended May 30, 1998. Deloitte & Touche LLP Costa Mesa, California August 19, 1998