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Description
The Helical Solutions 82672 HFV-RN-020-50375 is a 3/8" reduced-neck high-feed end mill made for aggressive, high-feed milling in steels up to 45 Rc. This 5-flute solid carbide cutter combines a reduced neck (0.330" diameter) with a 3/8" shank to give clearance in tight-fixture operations. A Tplus coating improves tool life and thermal stability for sustained production cutting when using the Helical Solutions 3/8" reduced neck high-feed end mill. The tool offers a 3/8" length of cut for short, high-feed passes and a 3/4" overall reach to access stepped features without interference. With a 4" overall length and 3-1/4" shank length, the HFV-RN-020-50375 maintains rigidity for stable machining and reduced chatter. The 0.030" corner radius and theoretical 0.0471" radius balance edge strength and finish quality for high-feed passes. Because it is not center-cutting, this end mill is optimized for axial entry where side-cutting performance and feed rates matter. Made for steels up to 45 Rc, this solid carbide reduced-neck high-feed cutter is ideal for roughing and high-efficiency milling strategies. Shops running high-volume production will value the balance of reach, reduced neck clearance, and the Tplus finish on this Helical Solutions cutter. The reduced neck geometry helps prevent tool-to-workpiece interference when machining deep pockets or stepped shoulders. Tooling engineers can exploit the 5-flute geometry to increase feed per tooth while maintaining acceptable surface finish on steel parts. The HFV-RN series is intended for high-feed strategies that push metal removal rates while limiting cycle time. Operators should follow recommended feeds and speeds for steels and verify stability through initial trial passes with the 3/8" high-feed end mill. Proper holder selection and setup will maximize the cutter’s life and deliver repeatable part quality in production runs. Overall, the Helical Solutions 82672 HFV-RN-020-50375 is a practical high-feed solution where clearance and aggressive milling are required.
Product Features and Benefits
Reduced-Neck Geometry
The reduced-neck 0.330" diameter provides clearance for stepped pockets and complements the 3/8" reduced neck high-feed end mill design.
5-Flute High-Feed Design
The HFV-RN-020-50375 5-flute geometry increases feed per tooth for higher metal removal rates while preserving surface finish.
T plus Coating For Wear Resistance
The Tplus coating extends tool life and thermal resistance, making this solid carbide reduced neck high-feed cutter reliable in steels up to 45 Rc.
3/4" Overall Reach
The 0.750" reach allows access into shallow pockets and stepped features without toolholder interference for high-feed operations.
Rigid 4" OAL Construction
The 4" overall length and 3/8" shank provide stiffness for consistent performance and minimal deflection during high-feed milling.
Product Specifications
| Tool Description | HFV-RN-020-50375 |
| Mill Diameter (Inch) | 3/8" |
| Mill Diameter (Decimal Inch) | 0.3750" |
| Number of Flutes | 5 |
| Length of Cut (Inch) | 3/8" |
| Length of Cut (Decimal Inch) | 0.3750" |
| Material | Solid Carbide |
| Overall Length (Inch) | 4" |
| Overall Length (Decimal Inch) | 4.0000" |
| Shank Diameter (Inch) | 3/8" |
| Shank Diameter (Decimal Inch) | 0.3750" |
| Finish/Coating | Tplus |
| Overall Reach (Inch) | 3/4" |
| Overall Reach (Decimal Inch) | 0.7500" |
| Center Cutting (Yes/No) | No |
| Application | Steels up to 45 Rc |
| Neck Diameter (Decimal Inch) | 0.3300" |
| Corner Radius (Decimal Inch) | 0.0300" |
| Theoretical Radius (Decimal Inch) | 0.0471" |
| LOC Multiple | 1x |
| Reach Multiple | 2x |
| Shank Length (Inch) | 3-1/4" |
| Shank Length (Decimal Inch) | 3.2500" |
| Chip Breaker (Yes/No) | No |
| Weldon Flat (Yes/No) | No |
| Metric (Yes/No) | No |
| Coolant Through (Yes/No) | No |
Frequently Asked Questions
What material is the Helical Solutions 82672 designed to cut?
The Helical Solutions 82672 is intended for steels up to 45 Rc when using recommended feeds and speeds for the HFV-RN-020-50375 3/8″ 5-flute T plus high-feed end mill tool.
What is the flute count on this high-feed end mill?
This 3/8" reduced-neck, high-feed end mill uses a 5-flute configuration to increase feed per tooth for high-efficiency milling.
Does the HFV-RN-020-50375 have coolant-through capability?
No, the solid carbide HFV-RN-020-50375 is not coolant-through; use appropriate coolant strategies externally for thermal control.
What is the overall reach of the cutter?
The cutter provides a 0.750" overall reach, suitable for clearance in shallow pockets and stepped features during high-feed milling.
Is the Helical Solutions 82672 cutter center-cut?
No, the HFV-RN-020-50375 is not center cutting and is improved for side engagement and high-feed roughing strategies.
Warning:
This product can expose you to materials and/or chemicals including arsenic, lead, and other materials and/or chemicals which are known to the state of California to cause cancer and/or reproductive harm.
For more information, visit www.P65Warnings.ca.gov
Warning:
This product can expose you to materials and/or chemicals including arsenic, lead, and other materials and/or chemicals which are known to the state of California to cause cancer and/or reproductive harm.
For more information, visit www.P65Warnings.ca.gov
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