The Niagara Cutter REM445 TiCN-coated cobalt steel fine-pitch rougher end mill has a non-center-cutting design and is suitable for machining dense materials such as high-temperature alloys. The number of flutes varies by diameter to optimize the feed and cut rate. The fine-pitch tooth design has chip-breaking cutting edges that remove more material in less time than conventional end mills to support heavier cuts at higher speeds. The end mill produces a rough finish that can be smoothed by a second finishing cut. The TiCN coating lubricates the end mill for high-temperature stability, and offers increased hardness and greater abrasion resistance than uncoated or TiN-coated tools. The cobalt steel substrate can be run at faster speeds and stays sharp longer than high-speed steel tools, while offering resistance to heat and abrasion. Rougher end mills are special-purpose tools whose chip-breaking cutting edges create small chips for heavy cuts and remove more material in less time than conventional end mills, with minimal vibration (chatter). The 30-degree helix angle balances lower angles strong cutting edge for difficult-to-machine materials with higher angles increased cutting action. The tools square end creates sharp, unrounded cuts and has a corner chamfer on the cutting edges to provide more strength than standard square end tools in applications where cutting forces are high. The non-center-cutting design is for applications such as peripheral milling. Cutting diameter tolerance is +0.003 to -0.000" for cutting diameters 1 or under; +0.006 to -0.000 for cutting diameters over 1. The end mill has a Weldon shank. End mills are designed to remove material and create multi-dimensional shapes and profiles. They have cutting edges along the outside diameter and flutes that remove chips from the cutting area and allow cooling fluids to enter. If heat is not reduced effectively, the tools cutting edges will dull and additional material buildup can occur
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