CGS HV End Mill – 4-Flute Variable Helix for Alloys and Steels
The CGS HV end mill series is engineered to deliver reliable performance in alloys and steels. It features a 4 flute variable helix end mill design and variable index geometry, the Hv Series helps elevate cutting stability, lowers vibration and obtain better machining outcomes at higher spindle speeds.
It is available in square end, corner radius configurations, ball end, the HV Series offers a wide strength of sizes, lengths and reach options to meet various machining requirements. Standard ALTiN coating and alternative ALCrN coating further improves tool performance and durability.
HV End Mill Key Features
The HV Series is made with modern design features to enhance machining performance and tool life.
Key features include:
- 4-flute design
- Variable helix geometry
- Variable index design
- Optional AlCrN coating available upon request
- Better tool performance at higher RPM
- Standard ALTiN coating
- Less tool wear at high speeds in alloys and steels
- Improved surface finishes for roughing and finishing
- Reduced neck options available upon request
- Weldon flats available upon request
- Special sizes, lengths, and radii available upon request
As a variable index carbide end mill, the HV Series is engineered to provide greater stability and consistent cutting performance in demanding machining applications.
HV Series – Square End and Ball End Sizes
The HV Series involves both square end and ball end configurations to suit a variety of machining operations.
The HV square end ball nose end mill range is available in:
- Stub lengths
- Standard lengths
- Long lengths
- Extended reach sizes
Square end and ball end tools are provided in diameters ranging from ⅛ through 1’ providing flexibility for a wide spectrum of machining requirements. The series is manufactured with precise cutting diameter and shank tolerances to support correct and repeatable machining performance.
Extended Reach Options
The HV Series involves a range of extended reach end mill options for applications requiring additional tool reach.
Extended reach configurations are available across multiple diameter ranges and overall lengths, with options extending up to 6 inches in overall length.
These tools are engineered to manage cutting performance while offering access to deeper machining areas. Reduced neck designs are also available upon request to support specialized machining requirements.
HV Corner Radius – Standard and Metric
The HV Series is available in corner radius configurations for additional versatility.
Standard corner radius options include:
- .010"
- .015"
- .030"
- .060"
- .090"
- .125"
In addition to inch sizes, the HV Series is available in metric corner radius end mills.
Metric sizes include:
- 3 mm
- 4 mm
- 5 mm
- 6 mm
- 8 mm
- 10 mm
- 12 mm
- 16 mm
- 20 mm
- 25 mm
Metric corner radius tools are offered with radius options ranging from 0.25 mm to 0.89 mm.
Performance Benefits: Less Wear, Better Finish
The CGS HV Series is designed to enhance machining performance in alloys and steels. The combinations of variable helix geometry, variable index design and premium coatings helps provide :
- Better tool performance at higher RPM
- Reliable finishing performance
- Reduced tool wear at high machining speeds
- Improved surface finishes
- Consistent roughing performance
As a high RPM carbide end mill, the HV Series is designed to help maintain performance while reducing wear during demanding machining operations.
Coating Options: ALTiN, AlCrN & More
The HV Series comes standard with ALTiN coating. The ALTiN coated end mill alloys steel configuration is engineered to support high-speed machining while helping reduce tool wear and maintain cutting performance. For additional application requirements, AlCrN coating is available upon request.
Available coating options include:
- Standard ALTiN coating
- Optional AlCrN coating
These coatings assist in longer tool life and improved performance when machining alloys and steels.
Frequently Asked Questions
What is the benefit of variable helix and variable index in the HV end mill?
The variable helix and variable index design help enhance cutting stability, lower vibration, and support better machining performance at higher RPM.
Is the HV end mill available in metric sizes?
Yes, the HV Series involves metric corner radius end mills in sizes starting from 3mm to 25 mm.
What coatings are standard on HV series end mills?
The HV series comes standard with ALTiN coating. Whereas optional AICrN coating is also available upon request.
What is the maximum extended reach available in the HV series?
The HV Series adds extended reach configurations with overall lengths available up to 6 inches, based on the tool diameter and style.
Can the HV end mill be used for both roughing and finishing?
Yes, the HV Series is designed to offer improved surface finishes for both roughing and finishing operations while lowering tool wear at high machining speeds.