Aexit 30pcs M4 Nails- Screws and Fasteners Reduce Hex Flat Head Semi Hexagon Body Rivet Nut Nut and Bolt Sets Nutserts Fasteners

fe4f20200812206a Reduced head cap screws, M4 female thread diameter, 10.5mm total length, 304 stainless steel half hex body insert rivets nuts. These are low profile stainless steel with half hexagonal and half round body nutserts which provides easier installation, they are also called hex inserts or hexserts. When installed into a corresponding hole, the corners of the inserts expand to fill the hole providing exceptional resistance to spinning. Hex inserts are ideal for applications where fastener failure is not an option requiring prevailing torque locking screws.