CAGO
CAGO Technical Library

Blog and Knowledge

Technical articles and cutting tool guides to help you choose the right products for your operation.

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Hole Drift or Frequent Drill Breakage: What Should You Check?
Carbide Drills

Hole Drift or Frequent Drill Breakage: What Should You Check?

A practical checklist for runout, spotting, holder condition, alignment, and chip evacuation in drilling.

How to Choose 3D, 5D, and 8D Carbide Drills
Carbide Drills

How to Choose 3D, 5D, and 8D Carbide Drills

Understand drill length ratios and how hole depth, rigidity, and coolant affect carbide drill selection.

5/3/2026Read more
Drills Carbide Holemaking
When to Use Coolant-Through Carbide Drills
Carbide Drills

When to Use Coolant-Through Carbide Drills

See how internal coolant improves chip evacuation, hole quality, and tool life in deeper holes.

5/2/2026Read more
Coolant Drilling Carbide
Drilling Hardened Steel Without Burning the Drill
Carbide Drills

Drilling Hardened Steel Without Burning the Drill

Reduce heat, hole drift, and edge chipping when drilling hardened steel with carbide tools.

5/1/2026Read more
Hardened Steel Drills CNC
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