Homework 3 Flashcards
Match the information
NC
NF
UNC
UNF
NC
American National Coarse
NF
American National Fine
UNC
American Standard Unified Coarse
UNF
American Standard Unified Fine
Match the information
Class 1
Class 2
Class 3
Class 4
Class 1
Loose Fit
Class 2
Free Fit
Class 3
Medium Fit
Class 4
Close Fit
A ______ fit allows you to turn the nut all the way down using nothing but your fingers.
Class 1
A ______ fit requires a wrench to turn the nut down from start to finish.
Class 4
How does a Clevis Bolt look
A round flat head fastener
How does a Close Tolerance Bolt look
A hexagonal head with a triangle shape on the middle
How does a Aluminum Alloy Bolt look
A hexagonal head with two dashes perpendicularly aligned
How does a Corrosion Resistant Steel Bolt look
A Hexagonal Head with a horizontal dash located centered left on the bolt head
How does a Standard Steel / Cadmium Plated Nickel Alloy Steel Look
A Hexagonal Head With a plus sign or asterisk centered on the middle of the head
Give the Diameter of the following bolts
AN4
AN8
AN12
AN16
AN4
1/4
AN8
1/2
AN12
3/4
AN16
1
Give a Length for each of these bolts
AN4-6
AN8-12
AN12-10
AN16-34
AN4-6
3/4
AN8-12
1 1/4
AN12-10
1
AN16-34
3 1/2
Name the bolts that have a hole to accept a cotter pin in the shank:
AN8-12 [ Select ] [“NO”, “YES”]
AN8H-12A [ Select ] [“NO”, “YES”]
AN8-12A [ Select ] [“NO”, “YES”]
AN8H-12 [ Select ] [“NO”, “YES”]
Answer 1:
YES
Answer 2:
NO
Answer 3:
NO
Answer 4:
YES
Which of these bolts has a hole drilled across the flats of its head, through
which safety wire can be passed?AN6-12A [ Select ] [“NO”, “YES”]
AN6H-12 [ Select ] [“YES”, “NO”]
AN6C12A [ Select ] [“NO”, “YES”]
AN6H-12
Answer 1:
NO
Answer 2:
YES
Answer 3:
NO
Answer 4:
YES
Which of these bolts has coarse threads [ Select ]
Answer 1:
AN 75A-44
Which of these bolts would be identified by a triangle around the asterisk
on it’s head?
AN 176-12
