1-8Pcs Set HSS Counterbore End Mill M3-M20 Pilot Slotting Tool Cutter 4 Flute Countersink EndMill CNC Machine Milling Tool

1-8Pcs Set HSS Counterbore End Mill M3-M20 Pilot Slotting Tool Cutter 4 Flute Countersink EndMill CNC Machine Milling Tool

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