Oumefar 20pcs Self Tapping Threaded Insert M4 x 8mm Self Tapping Slotted Screw Metal Thread Insert Nuts Stainless Steel Thread Insert Nuts for Helical air, Thread Reinforce air Tool

EASY TO INSTALL These self tapping thread inserts can be installed directly and do not need you to tap a thread first. These self tapping thread inserts can be directly used by the installation tool to screw it into a specific hole. SCOPE OF APPLICATION These self tapping thread inserts are used in low strength materials such as aluminum, can avoid thread damage and get a good connection performance, to enhance connection strength and improve connection condition. WEAR RESISTANCE Used for parts that requires frequent removing, it can greatly improve service life and wear resistance of screw thread. It can prevent screw from getting loose, especially used for products requiring high coefficient of insurance. EASY TO MAINTENANCE Easy to maintenance, install a thread insert into a damage screw hole, then the screw hole can be used as normal, in order to avoid workpiece loss. SAFE These self tapping thread inserts have the ability of strong vibration resistance, which can prevent loose. Can be used in many different places