Which tool is designed to loosen or tighten crosshead screws? Posted on February 16, 2019 by Admin Last Updated on February 16, 2019 by Admin Which tool is designed to loosen or tighten crosshead screws? phillips screwdriver hex driver flat head screwdriver torx driver For All Questions: IT Essentials Chapter 2 Exam Answers 2018 2019 Version 6.0 100%