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

★★★★★ 4.4 141 reviews

$20.69
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$20.69
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Product details

Management number 218147341 Release Date 2026/05/03 List Price $8.28 Model Number 218147341
Category
  • 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.

Set Name Ausenzup 5-Piece Countersink Mill Cutter Set
Brand Name Ausenzup
Shank Type Straight
Unit Count 5.0 Count
Part Number HRC65~68°
Finish Types Uncoated
Manufacturer Ausenzup
Material Type HSS-AL super-hard high speed steel
Tool Flute Type Straight
Cutting Diameter 13.4 Millimeters
Number of Flutes 4
Number of Pieces 5
Included Components 1 Set(5pcs) x Countersink Mill Cutters
Cutting Angle String 118 Degrees
Surface Recommendation Alloy Steel, Iron, Plastic, Wood

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