Free Guide: Fasteners

Hundreds of different kinds of fasteners are available, but here are some of the most popular ones and distinctive features of each.

• Screws: Cylindrical or conical pieces of metal threaded with a helical ridge; fastens things when turned.
• Nuts: Small blocks, usually metal, with threaded holes through their centers for tightening against bolts or screws.
• Bolts: Threaded metal rods or pins for joining parts, having a head and usually used with a nut.
• Washers: Threaded metal rods or pins for joining parts, having a head and usually used with a nut.
• Anchors: Devices that hold something else secure, such as screws or nails.