binifiMux 40pcs M4 x 0.7mm 304 Stainless Steel Nylon Lock Nuts Inserted Hex sold2024 This is created by the

This is created by the nylon insert and is completely normal

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binifiMux 40pcs M4 x 0.7mm 304 Stainless Steel Nylon Lock Nuts Inserted Hex sold2024 This is created by thebinifiMux 40pcs M4 x 0. 7mm 304 Stainless Steel Nylon Lock Nuts Inserted Hex Nylon lock nut is a round nut, and in its outer open four small slot, you can use the crescent wrench screw on the stud, the lock nut should be equipped with a shaft Washer, it can be used to make the small groove on the stud and its peripheral groove relative to the fixed, to prevent its loose. Bolt thread on the nuts embedded in the nylon extrusion, making the nylon