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YG-1 E5023 Carbide Square Nose End Mills, Inch, Stub Length, Double End, Uncoated (Bright) Finish, 30 Degree Helix, For Use With Aluminum/Aluminum Alloys, Cast Iron, Plastics, Steel/Steel Alloys

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Product Specifications
Cutting Direction
Right Hand
Specific Uses For Product
Finish Types
Uncoated (Bright)
End Cut Type
Center Cutting
Material Type
Cutting Angle
30  Degrees
Brand Name
Manufacturer Series Number
Compatible Material
Aluminum/Aluminum Alloys, Cast Iron, Plastics, Steel/Steel Alloys
Specification Met
Shank Type
Cut Type
General Purpose
Shank Material Type
Special Features
System of Measurement

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Currently showing 1-16 of 16
1/16" 1/8" 0.125" 1.5" 4 33554 B0080BF9KC yes $8.03 Buy Options
5/64" 1/8" 0.125" 1.5" 4 33555 B0080BFAJW yes $16.42 Buy Options
3/32" 1/8" 0.1875" 1.5" 4 33556 B0080BFBPU yes $17.10 Buy Options
7/64" 1/8" 0.1875" 1.5" 4 33557 B0080BFD8K yes $16.42 Buy Options
1/8" 1/8" 0.25" 1.5" 4 33558 B0080BFEGG yes $8.42 Buy Options
9/64" 3/16" 0.3125" 2" 4 33560 B0080BFFSS yes $19.32 Buy Options
11/64" 3/16" 0.3125" 2" 4 33564 B0080BFH86 yes $25.20 Buy Options
3/16" 3/16" 0.375" 2" 4 33565 B0080BFIY4 yes $18.84 Buy Options
13/64" 1/4" 0.5" 2.5" 4 33569 B0080BFJS4 yes $21.03 Buy Options
7/32" 1/4" 0.5" 2.5" 4 33570 B0080BFKU6 yes $10.84 Buy Options
15/64" 1/4" 0.5" 2.5" 4 33572 B0080BFLZK yes $21.03 Buy Options
1/4" 1/4" 0.5" 2.5" 4 33573 B0080BFMMC yes $8.15 Buy Options
5/16" 5/16" 0.5" 2.5" 4 33579 B0080BFNDA yes $24.10 Buy Options
3/8" 3/8" 0.5625" 2.5" 4 33584 B0080BFO4I yes $17.83 Buy Options
7/16" 7/16" 0.5625" 2.75" 4 33588 B0080BFOTS yes $35.11 Buy Options
1/2" 1/2" 0.625" 3" 4 33593 B0080BFPV0 yes $39.12 Buy Options

Key Features

  • Double-end square end mills create sharp, unrounded cuts and have cutting edges on both ends for longer tool life
  • Suitable for general-purpose machining on hardened and high-alloy steel, chromium-nickel steel, steel casting, malleable cast iron, brass, copper, aluminum with a high percentage of silicon, and abrasive plastic
  • Stub length increases the strength of the tool, making it less likely to break in the workpiece
  • Four flutes produce a better finish than fewer flutes
  • Carbide can run at higher speeds than high-speed or cobalt steel, resisting wear and high cutting temperatures

Product Description

The YG-1 E5023 uncoated carbide double-end stub-length square nose end mill has four flutes, a center-cutting design, and a 30-degree helix angle for general-purpose machining on hardened and high-alloy steel, chromium-nickel steel, steel casting, malleable cast iron, brass, copper, aluminum with a high percentage of silicon, and abrasive plastic. The double-end design has cutting edges on both ends, allowing a new cutting surface to be substituted when the first shows wear, which doubles the tool’s life compared to single-end square end mills. The stub length increases tool strength and makes it less likely to break in the material being machined. It is best used when depth of cut is shallow. Four flutes produce a better finish than fewer flutes. The tool’s square end creates sharp, unrounded cuts. 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. 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.

Carbide is harder than high-speed or cobalt steel, making it more wear resistant at high speeds and providing longer tool life. With no coating or surface treatment, this uncoated tool can be used on a broad range of materials. Cutting diameter tolerance is + 0.0000 to - 0.0012" for end mills with a different shank and cutting diameter and + 0.0000 to - 0.0020" for end mills with the same shank and cutting diameter. The round shank accommodates a range of tool holders.

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.

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