Solid Carbide Drills with Straight Groove for ISO K
N Cast Iron / Excellent Self Centering Capability
- The First Choice for Precision Hole Drilling in Cast Iron.
Feature Advantage:
- Non-coated.
- 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.
- 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.
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.