M3.5-1.57X8 Metric Phillips Flat Head PT Alternative 30 Degree Full Thread A2 Stainless Steel (Pack Qty 5,000) BC-M3.58PTPFA2

Designed to form its own thread in thermoplastic materials. The 30° thread angle reduces the outward expansion of the material being displaced. The recessed design of the thread root enables more material to flow into the area between threads. The depth of the thread pattern increases the fastener’s load carrying properties while resisting vibrations, thus resisting loosening Steel: Diameters M3 & smaller: Case-Hardened C1022 Steel. Diameters M3.5 and larger: Through-hardened C1022 Steel Stainless: A2 Stainless Steel