They fasten wood to wood, metal to metal, and metal to wood. Two of the three are quite inexpensive. I admit that the third screw here (metal to wood) is expensive; on the other hand, it can be a ...

The test fixture was similarly expedient — just a piece of wood with a hole drilled in it ... junction between the head and the shank of one screw. Since the screws were all printed vertically ...

Pieces of wood can be joined together in many different ways. Nails, screws and glue are the most common ways to join wood together. When making these joins, wood can be arranged and joined ...