Niagara Cutter ELITE Series 4 Flute Solid Carbide AlTiN Coated Roughing End Mill, 1/4″ Size & Shank Diameter, 3/4″ Length of Cut, 0.020″ Chamfer Corner, 2-1/2″ Overall Length

• Series: SR420
• Ideal for slotting.
• Designed for today’s most advanced difficult metal removal applications.
• Center-cutting end mills can create three-dimensional shapes and profiles.
• Solid carbide provides for better rigidity than high-speed steel.
• Extra fine carbide grain provides ultra high rupture strength.
• The spiral multi-flute design allows for a faster and smoother cutting action.
• Lower helix angle of 20 wraps slower and is optimized for faster feed applications.
• Titanium Aluminum Nitride coating provides higher feeds, speeds, and tool life.
• The coating allows the tool to be used in extremely heat-resistant, high-speed applications involving wet, semi-dry to dry cutting conditions.
• Center Cutting
• Helix Angle: 20
• Pitch: Fine
• End Type: Square End With Chamfer Corner
• Tolerance_Cutting Diameter: +0.000″ / -0.003″
• Tolerance_Overall Length: 0.060″
• Tolerance_Shank Diameter: -0.0001″ / -0.0004″
• Workpiece Material Range: Steel, Stainless Steel, High-Temp Exotic Alloys, Non-Ferrous, Cast Iron, Hard Materials, Plastics

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