China Carbide End Mills for Aluminum factory Spotlight Exhibits Factory Product Description 55-60HRC 3 Flute U Type Slot Carbide Square Endmill for Alumnium SPECIFICATION d1 L1 D L D1*3*D4*50L 1mm 3mm 4mm 50mm D1.5*4.5*D4*50L 1.5mm 4.5mm 4mm 50mm D2*6*D4*50L 2mm 6mm 4mm 50mm D2.5*7.5*D4*50L 2.5mm 7.5mm 4mm 50mm D3*9*D4*50L 3mm 9mm 4mm 50mm D3.5*10*D4*50L 3.5mm 10mm 4mm 50mm D4*12*D4*50L 4mm...