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Ch 20 Fasteners
Terms in this set (34)
A hardware device used to attach cabinetry where standard screws and bolts are ineffective.
Devices that have internal threads to receive a matching machine screw or bolt.
bolt and cam connector
Connectors that consist of a steel bolt with a special head, a steel or plastic cam, and a cover cap. The cam has a hollow side or interior to receive the bolt. Use bolt and cam connectors for cabinet corner and shelf assemblies.
Screws manufactured with greater accuracy than a machine bolt with a smooth, flat face under the head, which allows the fastener to seat more accurately when tightened.
Truss head with a square shoulder. Tightening the nut draws the shoulder in to the wood and prevents the bolt from turning.
concave bolt connectors
Connectors that consist of three parts: a steel bolt with a concave hole in the shank, a collar, and a set screw.
A method for drilling just larger than the screw head so it sits below the surface of the wood.
A drill bit with a cone-shaped tip used to enlarge the top of the clearance hole, allowing the screw to be driven flush with the surface of the wood.
Small brass nails with round heads for decorative purposes.
face frame assembly screws
Screws designed for the construction of face frames. They are inserted in the pilot holes at the base of pockets cut in the back surface of the face frame components.
Hardware devices that mechanically join or affix two or more objects.
Nuts installed when frequent assembly and disassembly is desired. The insert is installed in the base workpiece. A machine screw or bolt fits into the nut, to fasten the assembly. They are also used when wood screws lack holding power.
joint connector bolts
Bolts with threaded connections for panel products and wood-to-wood joints. Typically a two-part fastener, joint connectors provide strong connections between components.
Screws installed where the joint requires greater holding power, such as bunk bed or other large furniture assembly. They are sized by the diameter of the shank and the length. The head may be square or hex shape.
light-duty plastic anchors
Anchors that work in any hollow or solid material, including drywall, concrete, brick, and thin paneling.
Bolts that have a square or hexagonal head on one end and a threaded shaft on the other. They are normally tightened or released by torqueing a nut.
Fasteners that do not contain threads.
Hardware that combines the anchor and fastener in one assembly.
Staples with chisel-like points beveled on the inside edges. As the staple is driven, the legs are forced to spread.
Screws designed to hold better in weaker panel products, such as particleboard, composite panels, and waferboard. They have coarser threads than wood screws allowing more wood fibers between threads.
Nail gauge and length.
plug and socket connectors
Connectors designed for joints that require less holding power.
pneumatic fastening tools
Air-powered tool used to drive nails.
Plates used to mend joints where other fasteners have weakened.
Hardware used with wood screws, sheet metal screws, or lag screws. Maybe made of fiber, metal (typically lead), or plastic (nylon).
Staples with chisel-like points bevels on the outside edges. As the staple is driven, the legs are forced inward.
Screws made to be driven without the need for predrilling. Newer screw designs use auger-style tips, specially formed threads, and spurs underneath the screw head that help drive and set thes crew flush with the work surface.
sheet metal screws
Screws with threads up to the head. Head shapes are either round, flat, pan, oval, truss, or hex.
Screws with cylindrically shaped tips that have greater holding power than particleboard screws. They can also align the work pieces.
Fasteners that look like U-shaped nails. They are mostly installed in hidden areas.
A nailing method where the nail is driven directly through the top workpiece into the base.
Fasteners designed to secure springs, wire, or cloth to a frame.
Fasteners with threads that go directly into lumber, wood products, metal, or plastic, or pass through the workpiece and are secured with a nut or anchor.
Nuts that do not have to be held when fastening the bolt. They have prongs that hold in the wood.
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