Harvey Tool
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3 Flute, Ball - Reduced Neck

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

Photo is an illustration of an exemplary tool

HST-RN-3 | Carbide End Mills

The HST-RN-3 is a versatile tool, featuring geometry designed for excellent chip evacuation in slotting, pocketing, and roughing applications. A reduced neck and Aplus coating make this tool excellent for maintaining rigidity and extending tool life in deep pocketing applications.

  • Designed for excellent chip evacuation in slotting, pocketing, and roughing applications
  • Reduced neck provides maximum strength in long reach and deep pocketing applications
  • Center cutting
  • 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 3 13017 HST-RN-S-30125-BN
1/8 5/32 3 1/2 .118 3 13032 HST-RN-R-30125-BN
1/8 5/32 3 5/8 .118 3 13047 HST-RN-M-30125-BN
3/16 3/16 7/32 3 1/2 .178 3 13077 HST-RN-R-30187-BN
3/16 7/32 3 3/4 .178 3 13092 HST-RN-M-30187-BN
1/4 1/4 3/8 4 3/4 .237 3 13112 HST-RN-S-30250-BN
1/4 3/8 4 1-1/8 .237 3 13122 HST-RN-R-30250-BN
1/4 3/8 4 2-1/8 .237 3 13137 HST-RN-M-30250-BN
5/16 5/16 7/16 4 1-1/8 .296 3 13157 HST-RN-R-30312-BN
5/16 7/16 4 2-1/8 .296 3 13167 HST-RN-M-30312-BN
3/8 3/8 1/2 4 1-1/8 .356 3 13197 HST-RN-R-30375-BN
3/8 1/2 6 2-3/8 .356 3 13212 HST-RN-M-30375-BN
3/8 1/2 6 3-3/8 .356 3 13227 HST-RN-L-30375-BN
3/8 1/2 6 4 .356 3 13232 HST-RN-X-30375-BN
1/2 1/2 5/8 4 1-3/8 .475 3 13302 HST-RN-R-30500-BN
1/2 5/8 6 2-3/8 .475 3 13317 HST-RN-M-30500-BN
1/2 5/8 6 3-3/8 .475 3 13332 HST-RN-L-30500-BN
1/2 5/8 6 4-1/8 .475 3 13347 HST-RN-X-30500-BN
*.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.


3 Flute - Reduced Neck

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