Specialty Hand Tools Flashcards
Tubing used in hyraulic brake lines must be made from:
double-wrapped, brazed steel
Two styles of tubing flares used by most vehicles manufacturers are
SAE double and SI (ISO) bubble flare
Tubing should be cut with a
tubing cutter
The drill point angle for a twist drill should be
59 degrees
The lip clearance angle for a twist drill should be
12 degrees
Twist drill sets may be sized using
a) fractions
b) letters and numbers
c) metric
d) all of the above
d) all of the above
Three taps commonly found in a set of imperial taps are
a) metric, imperial and pipe
b) ISO, HSS and HBO
c) taper, plug, bottoming
d) UNC, UNF and NPT
c) taper, plug and bottoming
A tap marked 5/16 x 24 UNF will create threads with
a) 24 threads per inch
b) 1/24 pitch
c) a maximum diamet of 5/16”
d) all of the above
d) all of the above
Technician A says that when using a tap, it should be backed up 1/2 a turn after each 1/4 turn of cutting. Technician B says that using a tap handle is not necssary and that the square drive on the end of a tap may be driven with a crescent wrench. Who is correct/
Technician A
To remove a broken stud you could use a
screw extractor
Damaged internal threads may be repaired using
a) helicoil
b) tap-loc insert
c) neither a or b
d) either a or b
d) either a or b
What tools do you need to properly form a tubing flare?
1) tubing cutter
2) tubing reamer
3) tubing flaring tool kit
What does a tubing flaring kit consist of?
1) gripping or flaring bar
2) rod handle
3) yoke
4) adapters
What are the three main parts of a twist drill
shank, body and point
What information can be found on the shank of a twith drill
size and the material its made of
HSS - High speed steel
HC - High Carbon
How do you measure the diameter of a twist drill bit?
a) across the margins along the flutes.
b) read the identifying marks on the shank
c) use a drill gauge
