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Counterbore Drill Bit, 5pcs M3-M8 Countersink End Mill Cutter Slot Drill Bits Tool 4 Flutes HSS-AL High Speed Steel End Mill for Milling of Copper, Aluminum, Steel, Cast Iron

4.3 (2) Write Review
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$20.59

$ 9 .99 $9.99

In Stock

About this item

  • HIGH-QUALITY MATERIAL: Our countersink end mill cutter is crafted from HSS-AL super-hard high speed steel with a hardness of HRC65~68°, ensuring durability and longevity in milling operations.
  • VERSATILE APPLICATIONS: This CNC cutter bit is suitable for milling a variety of materials such as copper, aluminum, steel and cast iron, providing high toughness, wear resistance and high-speed cutting capabilities in tough materials.
  • EFFICIENT PERFORMANCE: The counterbore drill bit provide precise alignment and high production efficiency, reducing the need for tool changes, increasing machine actuator movement efficiency, and saving time in mold making applications.
  • PRECISION MACHINING: The drill milling bits are designed for high alignment precision, allowing for accurate cutting of holes and bottom holes for bolts or screws. It can be used for both direct processing and fine processing after heat treatment of molds.
  • CONVENIENT SET: This package includes 5pcs of countersink mill cutters in various sizes (M3, M4, M5, M6, M8) to meet a range of machining needs. The set is lightweight and versatile for a variety of milling tasks.


Product Description

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Specifications:

Material: HSS-AL super-hard high speed steel
Hardness: HRC65~68°
Weight: 128g(approx.)
Size: (Boot*Blade Diameter*Shank Diameter*Full Length) M3=3.2*5.9*6*45mm, M4=4.2*7.4*6*48mm, M5=5.2*8.9*6*51mm, M6=6.2*10.4*8*58mm, M8=8.2*13.4*10*67mm
Applicable Materials: copper, stainless steel, aluminum alloy, plastic, wood, iron, etc.
Applicable Equipment: gantry milling, CNC machining center, vertical milling machine, CNC milling machine, turret milling machine, etc.
Kind Tips: 1. Properly reducing the cutting speed and feed speed can extend the service life of the milling cutter. 2. Cutting fluid needs to be added during work to protect the blade and make cutting smoother.
Package Includes: 1 Set(5pcs) x Countersink Mill Cutters
Note: 1. Please allow 1-2mm error due to manual measurement. Thanks for your understanding. 2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.

FDP
Reviewed in the United States on December 17, 2024
These are super useful, I generally go for carbide, but these should be good in lighter materials.
S. Molnar
Reviewed in the United States on October 6, 2024
This 5-piece counterbore drill bit set is a valuable addition to any workshop. Made from high-speed steel (HSS-AL), these bits are designed for durability and efficient performance. The 4-flute design ensures smooth cutting and a clean finish. The set includes bits in various sizes (M3-M8), making it suitable for milling a wide range of materials, including copper, aluminum, steel, and cast iron. Whether you're a professional mechanic or a DIY enthusiast, this counterbore drill bit set is a reliable and versatile tool for your projects.
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