5mm x 20mm x 5mm x 75mm AlTiN Coated Carbide 4 Flutes Square End Mill Cutter 0.23"IDx0.31"ODx9.6" * Magnetic

* Magnetic

Bore Diameter: 12mm/0

Inside Diameter: 225mm

Wall Thickness: 4mm / 0

89 Inch x 1

5mm x 20mm x 5mm x 75mm AlTiN Coated Carbide 4 Flutes Square End Mill Cutter 0.23"IDx0.31"ODx9.6" * MagneticMicro grain carbide end mills offer high hardness, wear resistance, enhanced rigidity and excellent heat resistance. Features sharp, precision ground cutting edges for clean, precise cuts, resulting in accurate machining and excellent surface finish on your workpiece. AlTiN (aluminum titanium nitride) coating increases hardness and wear resistance, improves lubricity, enhances chip evacuation, and can withstand higher cutting speeds and feeds,