Hex Head- Hex head screws allow for for bigger torque. They are generally mounted using a wrench and socket. Hex heads are popular in screws and bolts. A Phillips screw driver can be used by using a Pozi, although a generate by using a Pozi travel could be superior so https://augustaozlx.full-design.com/types-of-screw-heads-shapes-for-dummies-72057478