CHAPTER 14 FASTENERS

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CHAPTER 14FASTENERS

• Objectives
• Students will be able to identify and describe
  the most commonly used fasteners.
• Students will be able to correctly select the
  type and size fastener for the job.
• Students will be able to install and use the most
  commonly used fasteners.

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NAILS

• Nails come in many types and sizes.
• Identified by penny size
• Types of nails include common, finishing, casing,
  duplex, roofing, and masonry.
• A nail can be driven by face nailing, toe
  nailing, and clinching.
• If you bend a nail, pull it out and start over.

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Penny Sizes of Nails
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SCREWS

• Use screws for extra holding power and for things
  you will need to disassemble.
• A job may call for drywall, sheet metal, lag, or
  particleboard screws.
• Screws may come with a Phillips head, slot head,
  bugle head, or square head
• Match the right screwdriver to the screw.

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BOLTS

• Bolts have a high holding strength.
• The types of bolts include cap bolts, stove
  bolts, and carriage bolts.
• Washers are often used with bolts to help hold
  things securely.

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ANCHORS

• Anchors are used to attach parts to concrete and
  masonry surfaces, as well as hollow walls.
• Types of anchors include wedge, sleeve, split
  fast, double expansion, Tapcon, hammer-drive,
  lag shield, and split ribbed plastic.

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HOLLOW-WALL FASTENERS

• Toggle bolts
• Have spring-loaded wings
• Plastic toggles
• Have four legs attached to a body and fins on the
  side
• Molly screws
• Have an expandable sleeve, a machine screw, and a
  fiber washer
• E-Z anchors
• Have a sharp point and deep threads

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Toggle Bolt
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SUMMARY

• Fasteners come in all types and sizes.
• Some fasteners are for heavy-duty jobs, and
  others are for lightweight needs.
• Fasteners can be metal or plastic and are often
  specific to a certain type of material.
• A variety of fasteners and anchors work together.