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The 410 stainless steel thread rolling screw for use in plastic has a passivated finish and a pan head with a Phillips 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 Phillips drive has an x-shaped slot that accepts a Phillips driver and is designed to allow the driver to slip out of the head to help prevent over-tightening and damage to the thread or fastener.
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.
E_Dogg
Reviewed in the United States on October 11, 2023
I use these screws to mount various things to plastic panels or fiberglass. They are very good quality and grab much better than wood screws. Warning, these are 410 stainless so they will corrode in salty air or exposed to seawater. They are better than standard zinc plated but not substantially. This said, I use them on my boat, but only indoors.
Chris
Reviewed in the United States on March 5, 2019
Good screws.
Customer
Reviewed in the United States on June 20, 2018
prrfect
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