+ 5. how does the drill hold onto the drill bit?
+ 6. what would happen if the drill bit teeth were not flat on the
+ drill bit?
+ 7. how can you break the drill bit when drilling?
+ 8. should we drill at full speed?
+ why or why not?
+**** bolts
+ 1. the bolts used to attach the arduino are 6-32 bolts.
+ the bolts used to attach the motor to the motor mount are
+ 4-40 bolts.
+ Are the 4-40 bolts fatter or thinner than the 6-32?
+ 2. if you see a bolt described as =4-40x1.25=" how long is it?
+ 3. on a =4-40= bolt, how many times does the thread wrap around
+ one inch of the body?
+ 4 times?
+ 40 times?
+ 1. how many times does the thread of a =4-40= bolt wrap around
+ two inches of the body?
+ 8 times?
+ 40 times?
+ 80 times?
+ 4. what part of the screw does the screw driver go into?