I quickly calculate proper tap-drill diameters using this simple formula. Tap-drill diameter equals nominal diameter minus thread pitch. I quickly calculate proper tap-drill diameters using this ...

Patent-pending geometry improves surface quality and ensures consistent, extended fine-surface finish of the threads. WALTER USA launched the TC130 Supreme tapping tool with a new, patent-pending ...

i need one of those charts where you slide the card back and forth until the screw size you want is in a certain window, and then the rest of the windows have pertinent info in them, like dimensions ...

The strength of some internal threads is more sensitive to tap diameter than previously thought. • Cold-formed threads are no stronger than cut threads when holes are correctly sized. • Cut threads ...