Chapter 8 Power Tools 221
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4. The part of a drill that holds the bit in place.
5. Handheld demolition tool that operates by mechanically moving a blade in a fast back-
and-forth motion.
6. Sharp-edged waste material created by the action of drill bits boring into metal.
7. A stationary tool that uses rotating blades to straighten and fi nish the edges of lumber for
applications where boards are fi tted side by side.
8. The difference between the overall width of a saw blade’s teeth and the thickness of the
blade material.
9. Small, sharp-edged particles bound to certain consumable power tool attachments that are
used for the removal of material.
10. A stationary or semi-portable version of a circular saw that is ideal for ripping lumber into
narrower boards and for making cuts in plywood.
11. A saw blade type that uses an aggressive 10° positive rake angle to make fast cuts.
12. Term that refers to a power tool that uses 120-volt AC power and has three separate
conductors included in the power cord.
13. A large, variable-speed power drill mounted to a vertical stabilizing shaft with an
adjustable table for securing workpieces.
14. The number of degrees off perpendicular to the back of the blade each tooth in a band saw
blade is angled.
15. A portable woodworking tool consisting of a powerful electric motor, a rotary cutting tool,
and an adjustable base plate to control cutting depth.
16. The result of soft metal particles building up as deposits in the surface of an abrasive
attachment.
17. Adverse result from charging certain battery types before they are completely discharged,
which causes only a portion of the battery to accept charge.
18. The spiral hollows formed in drill bits to assist in the removal of waste material or the
cutting edges of router bits.
19. Pneumatic tools used for fi nish work on small parts and for shaping surfaces with intricate
contours that fi t closely with other parts.
20. Event that can occur when a power tool sticks or binds momentarily in the work.
Know and Understand
Answer the following questions using the information provided in this chapter.
1. List the three ways that power tools are classifi ed into groups.
2. For jobs that last long periods of time, the limited run time of _____ power tools can be
dealt with by using a system of multiple units and charging stations.
3. True or False? Pneumatic power tools usually operate at between 350 and 430 psi.
4. Explain why the third ground prong on grounded electric power tools and the machine
guards and shields on any power tool should never be removed.
5. The waste material created by a bit as it drills into metals and other material is known
as _____.