Hex Head- Hex head screws enable for greater torque. They are typically put in which has a wrench and socket. Hex heads are common in screws and bolts. Numerous of such drives are restricted to precise makes use of or unique geographies. Such as the square recess or Robertson push https://cristiansurpl.dgbloggers.com/29772427/types-of-screw-heads-uk-no-further-a-mystery