the only real change may be the angle that is below the area. It is a curved form created to Restrict the harm to the material. Torx: Also called “star” heads, Torx screws have an internal star form that needs the https://kaitlynwtai035913.theblogfairy.com/28476605/the-smart-trick-of-types-of-screw-heads-that-no-one-is-discussing