Cylindrical End Mills for Roughing Helical Teeth DIN 841 Longitudinal Key 8785 30 CNC Controlled Straight Shank Coated Tin Altin

Product Description

Cylindrical End Mills for Roughing with Helical Teeth – DIN841, Model 878530
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Coarse-toothed spiral flute cutter. DIN 841. Made of 5% cobalt HSS-E super high-speed steel. Longitudinal key. Cutting tolerance J16.
Product Introduction

This high-performance cylindrical end mill is specifically designed for roughing applications in CNC machining centers. Featuring a robust helical tooth design and longitudinal key configuration, it ensures precise and efficient material removal across various industrial applications. Constructed from 5% Cobalt Super-Rapid HSS-E steel, the tool delivers excellent durability and heat resistance, making it suitable for challenging machining tasks.

Core Features
  • Material Made from 5% Cobalt Super-Rapid HSS-E steel for superior hardness and longevity.
  • Helix Angle 35° helix angle enhances chip evacuation and reduces cutting forces.
  • Flute Count 6 flutes provide high metal removal rates and improved surface finish during roughing operations.
  • Cutting Direction Optimized for climb milling, ensuring smoother cuts and reduced tool wear.
  • Hardness Rating Capable of machining materials up to HRC60, ideal for hardened steels and tough alloys.
  • Standard Compliance Manufactured to DIN841 specifications, ensuring dimensional accuracy and interchangeability.
  • Key Type Longitudinal key design offers enhanced rigidity and secure mounting.
  • Dimensions Cutting edge length and effective cutting length both at 30 mm, with J16 tolerance for precision fit.
  • Coating Uncoated for applications where coating may interfere with process requirements.
Reasons to Purchase

Choose this end mill for reliable performance in heavy-duty roughing tasks. Its durable construction, adherence to international standards, and compatibility with CNC machining centers make it an ideal choice for professional workshops and manufacturing environments seeking consistent results and extended tool life.

Specifications
Attributes Details
Cutting Edge Length 30 mm
Helix Angle 35° Helix Angle
Tolerance J16
Applicable machine Cnc Machining Center
Material 5% COBALT SUPER-RAPID HSS-E steel
Model Number 8785 30
Flute 6 flutes
Cutting Direction climb milling
Cutting hardness HRC 60
Effective Cutting Length 30 mm
Type ROUGHING with helical teeth
HRC 60HRC
Key type Longitudinal key
Norma DIN 841
Coating Uncoated
Frequently Asked Questions
What material is this cylindrical end mill made of?
This end mill is manufactured from 5% Cobalt Super-Rapid HSS-E steel, offering superior hardness, exceptional heat resistance, and long-lasting durability for heavy-duty metal roughing operations.
What are the benefits of the 35° helix angle and the 6-flute design?
The 35° helix angle is optimized to enhance chip evacuation and reduce cutting forces during operation. Combined with a 6-flute design, it ensures higher metal removal rates and a superior surface finish.
Which machines and materials is this tool compatible with?
It is designed for CNC machining centers and is capable of machining tough alloys and hardened steels with a hardness rating of up to HRC 60.
What does the DIN 841 standard compliance guarantee?
Compliance with the DIN 841 specification ensures that the tool is manufactured to strict industry standards for dimensional accuracy, quality, and complete interchangeability in professional setups.
What is the significance of the J16 tolerance and longitudinal key?
The J16 tolerance delivers a precise engineering fit, while the longitudinal key design ensures a secure mount and maximum rigidity, preventing slippage under heavy loads.
Why is this cylindrical end mill uncoated?
It is left uncoated to serve specific industrial processes where tool coatings are not required or might interfere with precision machining performance.

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