20Pcs M2 M2.2 M2.5 M3 M3.5 M4 M5 M6 grade 12.9 Insert Torx Screw Replaces Carbide Inserts CNC Accessories Lathe Tool

20Pcs M2 M2.2 M2.5 M3 M3.5 M4 M5 M6 grade 12.9 Insert Torx Screw Replaces Carbide Inserts CNC Accessories Lathe Tool

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