CHAPTER 14 FASTENERS - PowerPoint PPT Presentation

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CHAPTER 14 FASTENERS

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Students will be able to correctly select the type and size fastener for the job. ... Screws may come with a Phillips head, slot head, bugle head, or square head ... – PowerPoint PPT presentation

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Title: CHAPTER 14 FASTENERS


1
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.

2
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.

3
Penny Sizes of Nails
4
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.

5
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.

6
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.

7
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

8
Toggle Bolt
9
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.
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