410 Stainless Steel Thread Rolling Screw for Plastic, Passivated Finish, Pan Head, Star Drive, #6-19 Thread Size, 1/2" Length (Pack of 50)

The 410 stainless steel thread rolling screw for use in plastic has a passivated finish and a pan head with a star drive. The 410 stainless steel material offers high strength and hardness, and resists corrosion in mild environments. The material is magnetic. The passivated finish enhances the natural corrosion resistance of stainless steel. The pan head has a flat top and short vertical sides with a rounded top edge. The star drive, also called a Torx drive, has a six-pointed indentation that provides a large contact area for the driver, resisting slippage better than a Phillips or slotted drive. A star drive requires use of a Torx driver for installation and removal.

Thread cutting and thread rolling screws, two types of self-tapping screws, are threaded fasteners that create a mating thread in the wall of a hole. The two screws differ from each other in the way that they create the threads. Thread cutting screws cut the wall of the hole to create the thread, creating material chips that need to be cleared away from the hole to prevent clogging. Thread rolling screws, also called thread forming screws, do not remove material but instead press against the wall of the hole to displace the material and form the threads.