VESSEL screw removal bit set of 3 for stripped screws and crushed screws M3 to M8 NEJ-123

Outer diameter (per piece): Hexagonal width across flats 6.35mm Product size (per piece): Φ6.35mm x 82mm Material: Bit material, nitrile rubber Screw tip diameter: 1.7mm/2.6mm/3.6mm Drill tip diameter: 3.7mm/2.7mm/3.7mm Weight: 18g x 3 pieces Applicable screw diameter: M3~M4 x 1, M5~M6 x 1, M6~M8...1 pc How to use 1: Make a hole in the target screw with the drill part. How to use 2: Clean up the cutting powder after drilling. How to use 3: Replace the bit, insert the screw part into the hole drilled with the drill part, rotate it, and remove the screw.