Avk ALS3T-610-6.6, Rivetnut Insert, M6x1 ISO-5H (4.19-6.60mm Grip) Round Body Splined, Large Flange Head, Steel, Zinc Clear

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.