⚡ INTERACTIVE CALCULATOR

Deep Hole Method Selection Wizard

Answer four questions — diameter, depth ratio, batch size and machine situation — and get a recommended method with the reasoning.

WIZARD

Choose the Right Method

1. Hole diameter (mm)

2. Depth-to-diameter ratio (L/D)

3. Batch size (parts/month)

4. Machine situation

Gundrilling

0.5–50 mm · to 300:1

BTA / STS

6–2000 mm · to 200:1

Ejector / DTS

18–250 mm · to 100:1

Enter your parameters to see a recommendation.

⚠️ This is a starting point, not a final answer. Verify with the full Method Selection Wizard guide, machine capabilities, and test cuts.