1
Q
Whats the advantage to a HSS drill?
A
Can cut at much higher speeds with damaging cutting edge
2
Q
4 benefits of using a lubricant when drilling?
A
Improves quality of hole
Dissipates heat
Prolongs the life of drill
Improves cutting efficiency
3
Q
What are reamers for?
A
Enlarge drilled holes
Give a good smooth finish
4
Q
How to check the size of a hand expanding reamer?
A
Using a ring type gauge or an outside micrometer calliper
