Before selecting taps or drills, collect material, hardness, hole depth, thread size, blind…
Turning surface finish depends on nose radius, feed per revolution, edge prep, wiper…
When rigid tapping chips on retract, check chip jamming, tap flute geometry, pilot-hole…
Custom cutting tools make sense when machine limits, material behavior, hole depth, thread…
Drilling and tapping titanium, nickel alloys, and Kovar requires heat control, sharp geometry,…
Troubleshoot carbide end mill problems by reading tool marks, built-up edge, chipping, coolant…