Typical specials include self-captive tapping screws and double-thread combinations. ... To join the conversation, and become an exclusive member of Machine Design, create an account today!

Self-tapping screws are usually drilled into pre-made holes (pilot holes) in metals, such as zinc, aluminum, and bronze and its alloys, as well as plastics and resin-impregnated plywood. Here are ...

Self-tapping screws also get used a lot, even when there are way better options out there. Here’s another way to slap things together for a lasting hold.

Adding threads to your 3D prints is a life-changing feature, but obviously there are a lot of trade-offs and considerations when deciding on how to go about this exactly. Between self-tapping screw… ...