True/False
Indicate whether the
statement is true or false.
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1.
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The coarse series, UNC, is the one most commonly used in the mass production of
bolts, screws, nuts and other general fastening applications.
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2.
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The fine series, UNF are the easiest to strip.
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3.
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The B in a Unified thread fit indicates an external thread.
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4.
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Rolled threads are stonger than Cut threads.
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Multiple Choice
Identify the
choice that best completes the statement or answers the question.
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5.
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The outside diameter of the thread on a screw or nut.
a. | Pitch | c. | Minor Diameter | b. | Number of Threads | d. | Major Diameter |
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6.
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The number of threads per inch length.
a. | Pitch | c. | Minor Diameter | b. | Number of Threads | d. | Major Diameter |
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7.
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The root diameter of the thread on a screw or nut.
a. | Pitch | c. | Minor Diameter | b. | Number of Threads | d. | Major Diameter |
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8.
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The distance from a given point on one thread to a corresponding point on the
next thread.
a. | Pitch | c. | Minor Diameter | b. | Number of Threads | d. | Major Diameter |
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9.
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Given the following Metric thread designation M20 X 1.50 X30 - 5th 6th, which of
the following is the pitch?
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10.
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The following is a _________  a. | Socket Head Cap Screw | c. | Machine Screw | b. | Button Head Cap Screw | d. | Carriage Bolt |
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11.
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The following is a ____________  a. | Flat Head Screw | c. | Machine Screw | b. | Set Screw | d. | Bolt |
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12.
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The following is a ___________  a. | Phillips | c. | Set Screw | b. | Machine Screw | d. | Button Head Cap
Screw |
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13.
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The following is a ____________  a. | Flat Head Cap Screw | c. | Socket Shoulder Screw | b. | Button Head Cap
Screw | d. | Lower Head Cap
Screw |
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14.
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The following is a ____________  a. | Flat Head Cap Screw | c. | Socket Shoulder Screw | b. | Button Head Cap
Screw | d. | Lower Head Cap
Screw |
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15.
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The following is a ____________  a. | Flat Head Cap Screw | c. | Socket Shoulder Screw | b. | Button Head Cap
Screw | d. | Lower Head Cap
Screw |
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16.
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The following is a ____________  a. | Flat Head Cap Screw | c. | Socket Shoulder Screw | b. | Button Head Cap
Screw | d. | Lower Head Cap
Screw |
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17.
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This is know as a ___________.  a. | Gib Head key | c. | Woodruff key | b. | Square key | d. | none of these |
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18.
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This is know as a ___________.  a. | Gib Head key | c. | Woodruff key | b. | Square key | d. | none of these |
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19.
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This is know as a ___________.  a. | Gib Head key | c. | Woodruff key | b. | Square key | d. | none of these |
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20.
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The following represents a ____________.  a. | Keyseat | c. | Tapered | b. | Keyway | d. | Thread |
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21.
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The following represents a _____________.  a. | Key | c. | Keyseat | b. | Keyway | d. | None of the
above |
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22.
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The following is a ________________.  a. | Woodruff | c. | Soft Tipped | b. | Drill Bit | d. | Taper Tap |
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23.
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If a thread has 40 threads per inch what is its pitch?
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Completion
Complete each
statement.
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24.
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The main application of a thread is as a ________ device.
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25.
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The thread angle for the Unified Screw Thread forms is a _____ degrees.
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26.
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How many threads per inch does a 1/4-40 UNC bolt have?
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27.
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_______ ________ threads are one of the more challenging thread
cutting operations.
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28.
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_________ screws are used to lock pulleys, collars, or shafts in place.
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29.
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_________ have either a hexagonal or square head and are used with bolts with
the same shaped head.
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30.
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___________ nuts are used when frewuent adjustments or removal is
necessary.
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31.
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___________ are used to distribute the clamping pressure over a larger area, and
to prevent marring.
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32.
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___________ are used to cut threads on the outside of a bolt or stud.
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33.
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A Taper, Plug, and Bottoming are all different types of __________.
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34.
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This is known as a _________ bolt. 
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35.
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____________ pins are made of treated alloy steel and are used in assemblies
where parts must be accurately positioned and held in absolute relation to one another.  
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36.
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____________ pins are fitted into holes that are drilled crosswise in shafts to
prevent parts from slipping or loosening.  
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37.
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What size hole should be drilled to tap a 1/4-20 tapped hole?
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38.
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What size hole should be drilled to tap a 1/2-13 tapped hole?
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39.
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What size hole should be drilled to tap a 3/8-24 tapped hole?
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Matching
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a. | Wing Nut | d. | Slotted Nut | b. | Castle Nut | e. | Cap Nut | c. | Hex
Nut | f. | Square
Nut |
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40.
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41.
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42.
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43.
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44.
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45.
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