Item #: 17614009Brand: Helical SolutionsModel #: 46101 Product Specifications Mill Diameter (Inch) 1/4 Mill Diameter (Decimal Inch) 0.2500 Number Of Flutes 3 Length of Cut (Inch) 3/8 Single Or Double End Single End Mill Material Solid Carbide Coating/Finish Zplus Overall Length (Inch) 3 Centercutting Yes Flute Direction Right Hand Corner Radius (Decimal Inch) 0.0150 Variable Index Yes Variable Helix No Cutting Direction Right Hand Coolant Through No Pitch Variable Overall Length (Decimal Inch) 3.0000 Chipbreaker No End Type Corner Radius Length Of Cut (Decimal Inch - 4 Decimals) 0.3750 Length Type Regular Flute Type Spiral Extended Reach Yes Shank Type Straight-Cylindrical Material Removal Type Roughing & Finishing Shank Diameter (Decimal Inch) 0.2500 Shank Diameter (Inch) 1/4 Neck Diameter (Decimal Inch) 0.2370 Reach Length (Decimal Inch) 1.1250 Reach Length (Inch) 1-1/8 Corner Radius Tolerance -0.0020 to 0.0020 in Mill Diameter Tolerance h6 Shank Diameter Tolerance h6 Overall Length Tolerance -0.0620/0.0620 in Primary Workpiece Material Non-Ferrous Metal UNSPSC Code 27112803 Primary Workpiece Material Code N Secondary Workpiece Material Hard Material; Stainless Steel; Cast Iron; High Temperature Alloy; Steel Secondary Workpiece Material Code P; S; H; M Series H40ALV-RN-3 TIR Maximum (Decimal Inch) 0.0003 Material Application Non-Ferrous Metal; Aluminum Coating Classification PVD Proprietary Coating Designation Proprietary For Use With. High Precision Toolholders Helix Style High