Check the listing for details. GRAINGER APPROVED 206-001350 Sq. End Mill,Single End,Carb,5.00mm 19LG07. Condition: New. Listed at 20.45 USD. Square End Mill, 5.00 mm Milling Dia., Carbide, Bright (Uncoated), Straight, Length of Cut 16.00 mm, Overall Length 51.00 mm, Shank Dia. 5.00 mm, Neck Dia. 0 in These end mills come in standard sizes expressed in millimeters. Four-flute end mills clear chips more quickly than end mills with more flutes and allow for higher feed rates than end mills with fewer flutes. They also typically have larger cores and are less prone to breaking than end mills with fewer flutes.General purpose carbide square end mills are intended for milling a wide variety of common materials but are not suitable for milling hard materials like titanium or gummy materials like aluminum. Finishing end mills create a finer finish on the workpiece than roughing and roughing/finishing end mills. Carbide end mills provid.