They offer a virtually stress free fixing, allowing close to edge applications. They are through-fixing, eliminating the need for marking and re-positioning when fixing batons etc. The Torx head of the screw enables increased torque control. APPLICATION: Extremely popular fixing for window and door frames. Also now used as a versatile fixing for many applications in DIY, Joinery, Plumbing and Electrical trades. By design, TORX head screws resist cam-out much better than Phillips or Slotted...