Tapping Questions?

TAPMATIC... Dogged In The Pursuit of Tapping Excellence Since 1952

If you have general questions about tapping, you can find many of the answers by selecting from the list below, but feel free to contact us directly anytime we can be of help.

Tapping Safety
Checklist for Best Results
What Speed Can I Run My Tap?
What Size Drill Should I Use?
What Factors Influence Drill Selection?
What Clearance Should I Have In a Blind Hole?
What Style Tap is Recommended for my Material?
Common Terms for Tap Features
Common Thread Terms
Why Choose Coarse or Fine Threads?
Recommendations For Roll Forming Threads
Tapping Torque & Horse Power
Choosing the Drill and How This Influences Tapping Torque and Thread Strength
Tap Dimensions (ANSI Shanks)
Tap Dimensions (Din 371)
Tap Dimensions (Din 374)
Tap Dimensions (Din 376)
Tap Dimensions for Pipe Tape
What is the Meaning of Thread Class and what are H Limits?
What Surface Treatments Are Commonly Used for Taps
Helpful Formulas Related to Tapping
Troubleshooting