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ICD Series–ICM Double-Margin Drill Tip for Improved Hole Accuracy and Surface Finish
Created on 09.04
ICD Series–ICM Double-Margin Self-Centering Drill Tip for High Hole Accuracy and Better Surface Finish
In precision holemaking, drilling performance is not only about producing a hole quickly. Hole accuracy, entry stability, straightness, surface finish, and consistency from one part to another can all directly affect the quality of the finished component.
This is especially important in steel machining applications where the drilled hole is expected to be close to its final required condition and where additional finishing operations should be minimized.
That is why the ICD Series–ICM Double-Margin Self-Centering Drill Tip is designed as a more precise and stable holemaking solution.
By combining double-margin guidance, enhanced self-centering capability, and an efficient replaceable-tip system, the ICD Series–ICM helps improve hole accuracy, drilling stability, and surface quality while maintaining the productivity advantages of an exchangeable drill-tip system.
Why Hole Accuracy and Surface Finish Matter
In many production applications, a drilled hole is not simply a rough feature.
Hole diameter, straightness, and surface quality may directly influence:
- assembly accuracy
- component positioning
- sealing performance
- bearing or shaft fit
- downstream machining
- overall part quality
If drilling stability is insufficient, users may experience:
- hole diameter variation
- poor straightness
- drill wandering at entry
- inconsistent hole-wall quality
- visible feed marks
- additional reaming or boring requirements
The ICD Series–ICM is designed to improve tool guidance and centering during drilling, helping produce a more controlled and consistent hole.
Double-Margin Geometry for Better Hole Guidance
One of the main features of the ICD Series–ICM is its double-margin geometry.
The guiding margin helps support the drill as it moves through the hole. By adding a second guiding margin, the tool receives additional support during machining.
This can help:
- improve hole diameter consistency
- improve hole straightness
- reduce lateral drill movement
- stabilize the drilling path
- improve hole-wall contact
- support better surface finish
For applications where hole quality is critical, the double-margin concept provides a more stable and controlled drilling process.
Enhanced Self-Centering for More Stable Entry
The beginning of the drilling process has a major influence on the final quality and position of the hole.
If the drill does not establish its center properly at the moment of entry, even a small deviation can affect the entire drilling path.
The ICD Series–ICM uses an enhanced self-centering cutting concept to help the drill enter the workpiece more accurately and establish a stable cutting position.
This helps support:
- more stable entry
- reduced drill wandering
- improved hole-position consistency
- more controlled cutting engagement
- better drilling repeatability
This self-centering capability is especially valuable in precision holemaking applications where consistency is important.
Better Hole Surface Finish
Surface finish is another major advantage of the ICD Series–ICM.
As the drill moves through the hole, the double-margin design provides additional guidance and helps stabilize the tool against lateral movement.
Under suitable machining conditions, this can contribute to:
- smoother hole walls
- reduced surface irregularities
- more consistent surface quality
- improved overall hole appearance
- reduced need for secondary finishing
For manufacturers, improving the hole surface directly during drilling can help simplify the total machining process.
Designed for ISO P Steel Machining
The ICD Series–ICM is primarily positioned for ISO P steel machining applications where both productivity and hole quality are important.
Typical application areas include:
- carbon steel parts
- alloy-steel components
- automotive components
- hydraulic parts
- machine components
- mold and die parts
- general engineering components
- batch-production parts requiring consistent hole quality
The most suitable carbide grade, cutting data, coolant conditions, and drill-body specification should always be selected according to the actual workpiece material and machining requirements.
More Stable Performance in Deeper Holes
As hole depth increases, maintaining accurate tool guidance becomes increasingly important.
Small deviations at the beginning of the hole may become more noticeable as the tool travels deeper into the workpiece.
The double-margin design of the ICD Series–ICM provides additional guidance inside the hole, while the self-centering cutting concept helps establish a more stable drilling path from the beginning.
Under suitable machining conditions, this can contribute to:
- improved hole straightness
- better diameter consistency
- reduced tool deflection
- more stable drilling
- more uniform hole-wall quality
Actual drilling performance depends on drill-body length, machine rigidity, tool alignment, coolant supply, workpiece material, and cutting parameters.
Potential to Reduce Secondary Finishing
In many manufacturing processes, drilling is followed by reaming, boring, or another finishing operation because the original drilled hole does not meet the required accuracy or surface-quality level.
By improving centering, drilling guidance, and hole-wall finish, the ICD Series–ICM may help reduce the need for secondary machining in suitable applications.
Potential benefits include:
- fewer machining operations
- shorter cycle time
- fewer tool changes
- reduced machine utilization
- simplified process planning
- lower overall machining cost
Whether a secondary finishing operation can be eliminated depends on the final tolerance and surface-finish requirement of the part.
Replaceable-Tip Design for Efficient Tool Management
The ICD Series–ICM uses a replaceable drill-tip system.
When the cutting edge becomes worn, only the drill tip needs to be replaced while the drill body can continue to be used.
This provides practical benefits such as:
- lower replacement cost compared with replacing the complete drill
- faster drill-tip replacement
- simplified inventory management
- reduced regrinding requirements
- reusable drill bodies
- more predictable tooling cost
For production users, the replaceable-tip concept provides a practical balance between precision, productivity, and tool-management efficiency.
A More Complete High-Quality Holemaking Solution
The real value of the ICD Series–ICM is not simply that it can drill a hole.
It is designed to produce a more accurately centered, better guided, and better-finished hole.
By combining double-margin guidance with enhanced self-centering geometry, the ICD Series–ICM is suitable for customers who need:
- higher hole accuracy
- better hole straightness
- more stable entry
- improved surface finish
- more consistent hole quality
- reduced secondary finishing
- efficient replaceable-tip operation
For applications where hole quality is as important as drilling productivity, the ICD Series–ICM provides a more targeted precision holemaking solution.
Is the ICD Series–ICM Suitable for Your Application?
The ICD Series–ICM is worth considering when your application requires:
- improved hole diameter consistency
- better hole straightness
- stable self-centering entry
- smoother hole-wall finish
- precision drilling in steel
- reduced secondary finishing
- consistent performance in batch production
The final tool selection should be based on workpiece material, hole diameter, hole depth, required tolerance, surface-finish requirement, machine condition, coolant supply, and production target.
Contact Us
If hole accuracy, straightness, entry stability, or surface finish is limiting your current drilling process, the ICD Series–ICM Double-Margin Self-Centering Drill Tip may provide a more suitable solution.
Send us your workpiece material, hole diameter, hole depth, required tolerance, surface-finish requirement, machine type, coolant conditions, and current machining parameters.
Our team will help evaluate your application and recommend a suitable ICD Series drill-tip solution.
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