The average do-it-yourselfer hates to drill metal, especially steel. We don’t know how many questions readers have submitted and we’ve answered on that topic over the years. Even the most enthusiastic ...

New designs for short chipping and chip-free tapping are developed for aluminum machining, to deliver high-quality threads at a low cost per part. Threading is often the last operation in part ...

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 ...

Have you ever spent hours perfecting a 3D-printed design, only to struggle with attaching screws or bolts securely? It’s a frustrating experience that many makers and engineers face. Threads are ...

We can make our 3D-printed parts even more capable when we start mixing them with some essential “mechanical vitamins.” By combining prints with screws, nuts, fasteners, and pins, we get a rich ...