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Plastite and Taptite Style -Trilobular Thread-Rolling Screws

What is a trilobular thread-rolling screw?

Trilobular thread-rolling screws are a subcategory of self tapping screws with specifically designed threads including a slight triangular shape that displace the material around a predrilled untapped pilot hole. Unique thread features among subtypes of thread forming screws improves performance when used in specific materials. Known as Taptite (for metal applications) and Plastite (for plastic applications) Style Screws.