Question
IS the full diameter of the drill and extends the entire length of the flute with a narrow strip.
a) cutting lip
b) margin
c) tang
d) shank
is the operation of producing an angular surface at the end of a hole for flat head screw.
a) counter-boring
b) reaming
c) countersinking
d) chamferin
is the operation of finishing a drilled hole.
a) counter-boring
b) reaming
c)countersinking
d) chamferin
Answer
a) margin
b) countersinking
c) reaming