Self-tapping Thread Insert with Slot 

Self-tapping Thread Insert with Slot Our 302 self-tapping threaded inserts with external and internal thread, cutting slots or cutting bores. The 302 type (with cutting slot) is recommended for most application cases. In certain materials, this self tapping insert demonstrates a minimal inward springing action, so creating a certain screw locking effect. Size& Type： Metric: M2-M30, with cutting slot, also for normal Inch sizes. M3-M24, with cutting bore, also for normal Inch sizes. Material:   Stainless Steel Case-hardened steel, zinc plated Brass Other material on request Finishes& Coating: Zinc plated (Yellow, Blue, etc.) Dry Film Lubricants