binifiMux 100pcs M3-0.5mm Pitch Black Nylock Nuts Nylon Insert Self Locking Nuts for RC auspowers_batchone Sackorange 30 PCS Abrasive Flap

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2 mm thick polishing pads

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binifiMux 100pcs M3-0.5mm Pitch Black Nylock Nuts Nylon Insert Self Locking Nuts for RC auspowers_batchone Sackorange 30 PCS Abrasive FlapbinifiMux 100pcs M3 0. 5mm Pitch Black Nylock Nuts Nylon Insert Self Locking Nuts for RC 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