Harvey Tool
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4 Flute, Square - Variable Pitch, Reduced Neck

End Mills for Steels, High-Temp Alloys, & Titanium

HSV-RN-4 | Carbide End Mills

Designed for smooth machining in deep pockets, the HSV-RN-4 features variable pitch geometry for decreased chatter and harmonics, as well as a reduced neck for maximum strength in long reach applications. Featuring an eccentric relief for maximum edge strength and an Aplus coating for improved performance in tough materials, this tool is a strong choice for a variety of applications.

  • Eccentric relief for maximum edge strength
  • Special geometry allows for both roughing and finishing applications
  • Variable pitch geometry results in higher quality parts by decreasing chatter and harmonics
  • Center cutting
  • Reduced neck provides maximum strength in long reach and deep pocketing applications
  • h6 shank tolerance for high precision tool holders
  • Aplus coated for added lubricity, higher speeds and feeds, and increased wear resistance
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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.

Cutter Diameter Shank Diameter Length of Cut Overall Length LBS (Reach) Neck Diameter Flutes Aplus Coated Tool Description
D1 +.000" / -.002" D2 (h6) L2 +.032" / -.000" L1 +.062" / -.062" L3
1/8 1/8 5/32 3 3/8 .118 4 52017 HSV-RN-S-40125
1/8 5/32 3 1/2 .118 4 52032 HSV-RN-R-40125
1/8 5/32 3 5/8 .118 4 52047 HSV-RN-M-40125
3/16 3/16 7/32 3 1/2 .178 4 52062 HSV-RN-R-40187
3/16 7/32 3 3/4 .178 4 52077 HSV-RN-M-40187
3/16 7/32 3 1 .178 4 52092 HSV-RN-L-40187
1/4 1/4 3/8 3 3/4 .237 4 52107 HSV-RN-S-40250
1/4 3/8 4 1-1/8 .237 4 52122 HSV-RN-R-40250
1/4 3/8 4 2-1/8 .237 4 52137 HSV-RN-M-40250
3/8 3/8 1/2 4 1-1/8 .356 4 52152 HSV-RN-S-40375
3/8 1/2 4 2-1/8 .356 4 52167 HSV-RN-R-40375
3/8 1/2 6 3-1/8 .356 4 52182 HSV-RN-M-40375
3/8 1/2 6 4-1/8 .356 4 52197 HSV-RN-L-40375
1/2 1/2 5/8 4 1-1/2 .475 4 52212 HSV-RN-S-40500
1/2 5/8 4 2-1/4 .475 4 52227 HSV-RN-R-40500
1/2 5/8 6 3-3/8 .475 4 52242 HSV-RN-M-40500
1/2 5/8 6 4-1/8 .475 4 52257 HSV-RN-L-40500
5/8 5/8 3/4 4 1-5/8 .593 4 52272 HSV-RN-S-40625
5/8 3/4 6 2-3/8 .593 4 52287 HSV-RN-R-40625
5/8 3/4 6 3-3/8 .593 4 52302 HSV-RN-M-40625
5/8 3/4 6 4-1/8 .593 4 52317 HSV-RN-L-40625
3/4 3/4 1 4 2 .712 4 52332 HSV-RN-S-40750
3/4 1 6 2-1/2 .712 4 52347 HSV-RN-R-40750
3/4 1 6 3-3/8 .712 4 52362 HSV-RN-M-40750
3/4 1 6 4-1/8 .712 4 52377 HSV-RN-L-40750
1 1 1-1/4 4 2-1/4 .950 4 52392 HSV-RN-S-41000
1 1-1/4 6 2-5/8 .950 4 52407 HSV-RN-R-41000
1 1-1/4 6 3-3/8 .950 4 52422 HSV-RN-M-41000
1 1-1/4 6 4-1/8 .950 4 52437 HSV-RN-L-41000
* .0005 max TIR

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, Helical has a team of technical experts available to assist you. Please contact us at 866-543-5422 or quotes@1helical.com.


4 Flute - Variable Pitch - Reduced Neck

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