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High Helix End Mills for Aluminum Alloys - 45° Helix - Ball

Photo is an illustration of an exemplary tool

45 Degree Helix End Mills - Ball 2 Flute 45 Degree Helix End Mills - Ball 2 Flute

Carbide High Helix End Mills for Aluminum Alloys - 45° Helix - Ball

Outstanding in aluminum!     

  • 2 flute, high helix design improves results in aluminum and other non-ferrous applications
  • 45° helix for faster chip removal and better finish
  • Center cutting
  • h6 shank tolerance for high precision tool holders ​
  • Solid carbide
  • CNC ground in the USA  

 

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Below are downloadable Simulation Files in DXF format (half-round line drawings) to accompany Harvey Tool products. Each file is specifically scaled to the geometry of the tool to help simulate running parameters and create tool paths. Like our speeds & feeds charts, these files will be continuously updated with the introduction of new products and new catalogs to assist operating the majority of our tools. Simulation files can also be accessed by searching for a specific tool number on the left-hand side of the website and then clicking on the Simulation table in the product table.
Please don’t hesitate to contact our tech team with any questions at 800-645-5609 or tech@harveytool.com.

To navigate between folders or download a file, DOUBLE CLICK on the folder or file.

  • TiB2 Coated
  • Uncoated
  • ZrN Coated
CUTTER DIAMETER LENGTH OF CUT SHANK DIAMETER OVERALL LENGTH UNCOATED ZrN COATED TiB2 COATED
D1 +.0005"/-.0005" L2 +.010"/-.000" D2 (h6) L1 2FL PRICE 2FL PRICE 2FL PRICE
.015 (1/64) .045 (3x) 1/8 1-1/2 27815 28.90     27815-C8 35.10
.020 .060 (3x) 1/8 1-1/2 27820 27.40     27820-C8 33.60
.031 (1/32) .093 (3x) 1/8 1-1/2 27831 22.40 27831-C7 27.20 27831-C8 28.60
.040 .120 (3x) 1/8 1-1/2 27840 22.40 27840-C7 27.20 27840-C8 28.60
.047 (3/64) .141 (3x) 1/8 1-1/2 27847 22.40 27847-C7 27.20 27847-C8 28.60
.050 .150 (3x) 1/8 1-1/2 27850 22.40 27850-C7 27.20 27850-C8 28.60
.060 .180 (3x) 1/8 1-1/2 27860 22.40 27860-C7 27.20 27860-C8 28.60
.062 (1/16) .186 (3x) 1/8 1-1/2 27862 21.10 27862-C7 25.90 27862-C8 27.30
.070 .210 (3x) 1/8 1-1/2 27870 21.10 27870-C7 25.90 27870-C8 27.30
.078 (5/64) .234 (3x) 1/8 1-1/2 27878 21.10 27878-C7 25.90 27878-C8 27.30
.080 .240 (3x) 1/8 1-1/2 27880 21.10 27880-C7 25.90 27880-C8 27.30
.090 .270 (3x) 1/8 1-1/2 27890 21.10 27890-C7 25.90 27890-C8 27.30
.093 (3/32) .279 (3x) 1/8 1-1/2 27893 21.10 27893-C7 25.90 27893-C8 27.30
.100 .300 (3x) 1/8 1-1/2 27899 21.10 27899-C7 25.90 27899-C8 27.30
.118 (3 mm) .354 (3x) 1/8 1-1/2 27905 28.70     27905-C8 34.90
D1 +.000"/-.002" L2 +.030"/-.000" D2 (h6) L1 2FL PRICE 2FL PRICE 2FL PRICE
.125 (1/8) .500 (4x) 1/8 1-1/2 27908 20.40 27908-C7 25.20 27908-C8 26.60
.156 (5/32) .562 (3x) 3/16 2 27910 22.10     27910-C8 28.40
.187 (3/16) .625 (3x) 3/16 2 27912 22.10 27912-C7 27.30 27912-C8 28.40
.250 (1/4) .750 (3x) 1/4 2-1/2 27916 24.90 27916-C7 32.30 27916-C8 33.30

Speeds & Feeds

Below you will find downloadable and printer-friendly Speeds & Feeds for this product line. All posted Speed & Feed parameters are suggested starting values that may be increased given optimal setup conditions. If you can't find the information you're looking for, Harvey Tool has a team of technical experts available to assist you. Please contact us at 800-645-5609 or tech@harveytool.com.

 

45° Helix End Mills - Ball

 

ZrN and TiB2 Coating Recommendations:

Benefits of High Helix Geometry:

  • High helix end mills are typically defined as possessing a helix greater than 30° (standard).

  • The helix angle determines the axial (along centerline) and radial (perpendicular to centerline) forces acted upon the mill as it removes material from the workpiece.

  • As the helix increases, the cutting edge length of engagement is lessened, resulting in an increased axial force component and a decreased radial force component.

  • Increased axial forces allow more effective chip evacuation and an improved finish on the workpiece.

  • Decreased radial forces reduce tool deflection and avoid tool breakage.

  • These features make high helix end mills suited for thin walled parts and other similarly demanding applications.

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