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Straight Groove Inner Cooling Solid Carbide Drill For Cast Iron

Categories Solid Carbide Drill
Brand Name: MMM
Model Number: ∅4 - ∅25
Certification: ISO 9001
Place of Origin: CHINA
MOQ: 5 PCS
Price: USD
Payment Terms: L/C, T/T
Supply Ability: 5,000 PCS/Month
Delivery Time: 5-15 Days
Packaging Details: Internal Plastic Box Packaging
Material: Cemented Carbide
Coating: Non-Coating
Material to be processed: K, N
Standard: ISO, DIN, MMM
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Straight Groove Inner Cooling Solid Carbide Drill For Cast Iron

Solid Carbide Drills with Straight Groove Inner Cooling for Cast Iron


  • The First Choice for Precision Hole Drilling in Cast Iron.

Feature Advantage:


  • The machined holes achieve high position, straightness and surface quality.
  • Optimized drill tip structure for better cutting performance.
  • ∅4 - ∅25 Diameter, complete types.
  • 5D, 15D, all kinds of lengths are complete.
  • All types are available in both internal and external cooling to meet the requirements of various machine tools.
  • Suitable for short chip materials such as cast iron and silicon aluminum alloy.
  • Excellent self-centering capability for efficient machining and machining of workpieces with hole machining accuracy of H7.

Technical Information:

  • Typical application of integral alloy drill bits:
    • Small diameter hole
    • Tight or precision tolerance hole
    • The hole shorter than a deep hole
  • Chip formation and chip evacuation are important issues in drilling. It depends on the workpiece material, blade geometry selection, coolant pressure, capacity, and cutting parameters.
  • Chip clogging can cause the drill bit to move radially and affect hole quality, bit life and reliability.
  • The drill bit is mounted on the shank chuck and its circumferential runout must be less than 0.02 mm.

Recommended Cutting Parameters:

  • When using this series of tools for the first time, the cutting is performed according to the recommended cutting speed of 90% or the feed rate of 85%. When the cutting condition is stable, the cutting speed and the feed are increased one by one.
  • Cutting parameters are recommended for water soluble cutting fluids.
  • Use a defect-free, clean chuck when installing the drill and control the drill runout to within 0.02 mm.
  • The recommended cutting parameters are for applications where the hole depth is below 5D.
  • The recommended cutting parameters are externally cooled drills, which can be increased by 10%-15% depending on the situation.

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