Thread taps are an essential part of any mechanic’s toolbox-- mostly because, well, you will ruin some threads. Or, as is the case for YouTube user This Old Tony, you’re fabricating parts from scratch ...

SECO TOOLS launched a new thread cutting and forming taps product line that encompasses three performance levels, allowing manufacturers to cost-effectively match the right tap to their particular ...

Inserts are classified as two general types: those held in place by external threads and those that use some means other than threads (knurls, grooves, interference fit) for their holding power.

Twist drills do not make accurately sized or good finish holes; a reamer of some type is often used to cut the final size and finish. A reamer will not make the original hole; it will only enlarge a ...

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 ...