Drill Calculator logoDrill Calculator
Direct Engineering Channel

Get in Touch

Have a question about a drilling formula, want to report a machine feed bug, or suggest a new tool for our machining suite? We welcome technical feedback from machinists, programmers, and engineers worldwide.

Direct Email

General Inquiries & Support
info@drillcalculator.com
Technical & Engineering Feedback
info@drillcalculator.com
Privacy & Legal Desk
info@drillcalculator.com
Response window: 24–48 hours

Looking for Quick Answers?

Before submitting a ticket, check our technical documentation: