YG-1 E2193 Cobalt Steel Ball Nose End Mill, Long Reach, Weldon Shank, Uncoated (Bright) Finish, Roughing Cut, 30 Deg Helix, 5 Flutes, 4.5" Overall Length, 1" Cutting Diameter, 0.75" Shank Diameter

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YG-1 E2193 Cobalt Steel Ball Nose End Mill, Long Features

• Roughing end mills have chip-breaking cutting edges that remove material in less time than conventional end mills

• Coarse-pitch tooth design and tool geometry are suitable for machining cutting steel grades and nonferrous materials

• Number of flutes varies by diameter for optimum feed and cut rate

• Cobalt steel resists abrasion and high cutting temperatures, and has higher feed rates than high-speed steel

• Ball nose end mills (also called ball end) create contoured surfaces­­­

About YG-1 E2193 Cobalt Steel Ball Nose End Mill, Long

The YG-1 E2193 uncoated cobalt steel ball nose roughing end mill has a coarse pitch, multiple flutes, and a 30-degree helix angle for high-production metal removal on a range of cutting steel grades and nonferrous materials. Rougher end mills are special-purpose tools whose chip-breaking cutting edges create small chips for heavy cuts and remove material in less time than conventional end mills, with minimal vibration (chatter). The number of flutes varies by diameter to optimize the feed and cut rate. The tool’s ball nose creates contoured surfaces where sharp corners are not required. The 30-degree helix angle supports general-purpose applications. It balances lower angles’ strong cutting edge for difficult-to-machine materials with higher angles’ increased cutting action. The center-cutting design has cutting teeth at the end of the tool, so it can be fed into the workpiece like a drill bit. Cobalt steel can be run at faster speeds and stays sharp longer than high-speed steel tools, while offering resistance to heat and abrasion. This tool has no coating or surface treatment. Cutting diameter tolerance is + 0.0030 to - 0.0000" for cutting diameters up to 1" and + 0.0060 to - 0.0000" for cutting diameters over 1". The tool 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 tool’s cutting edges will dull and additional material buildup can occur. The number of flutes can range from two to eight. Two-flute designs offer the most efficient chip removal, but more flutes provide a smoother finish. The shank is the end of the tool held in place by a tool holder or machine. Center-cutting end mills can create three-dimensional shapes and profiles, and make plunge cuts similar to a drill bit. Non-center-cutting end mills are for applications such as peripheral milling and finishing, but cannot make plunge cuts. YG-1 manufactures drills, taps, end mills, and rotary tooling. The company, founded in 1981, is headquartered in South Korea and has a U.S. office in Vernon Hills, IL.