Black Phosphate Csk Head Hi-Lo Thread Self-Tapping Screws for Plastic

Black Phosphate Csk Head Hi-Lo Thread Self-Tapping Screws for Plastic. Hi-lo Twin Thread Design: Reduces radial pressure and splitting in low-density materials like plastic and wood. Carbon Steel C1022A: High-grade 8.8 carbon steel ensures superior strength and durability for fastening. Black Phosphate Treatment: Provides enhanced corrosion resistance, hardness, and lubricity compared to standard galvanization. CSK Countersunk Head: Conical flat head sinks flush with the material surface for a clean, level finish. Sharp Tapping Point: Facilitates easy driving into drywall and low-density materials without pre-drilling. Customizable Dimensions: Diameter #6-#10 and Length 13-75mm available, with custom sizes and packing options. Professional Manufacturing: High-speed cold heading and self-owned heat treatment ensure consistent quality and strength. Versatile Application: Ideal for plastics, wood, masonite, and particle board due to unique thread form.