Avk ALS4-580-3.3, Rivetnut Insert, M5x0.8 ISO-5H (0.51-3.30mm Grip) Round Body Splined, Large Flange Head, Steel, Zinc Yellow

The A-L Series™ Knurled Threaded Insert Features 

• A knurled body and large diameter-low profile head making it ideal for use in punched or drilled holes. 
• It offers the highest all around strength characteristics and has been designed to be used with Grade 5 or Metric 8.8/9.8 mating screws. 
• The A-L Insert is AVK’s most versatile performer.