7.7 - EQUIPMENT AND PROCESSES Flashcards
TWIST BIT USES
General purpose
drilling circular holes
TWIST BIT - Advantages
Inexpensive
Range of sizes 1 to 13mm
Disadvantages of TWIST BIT
Can get blocked
burn timber
FLAT BIT uses
drilling larger holes
Spear lookin thing
FLAT BIT advantages
Avaliable in larger sizes
Quickly removes waste material
FLAT BIT disadvantages
Can be difficult to use (flat)
Creates alotta torque
FORSTNER BIT uses
Drilling accurate flat bottomed holes.
Big ass one
FORSTNER BIT advantages
Quick
accurate
FORSTNER BIT disadvantages
More expensive than flat bit
AUGER BIT advantages
much deeper holes
AUGER BIT uses
That spiky one
Drilling deep timber holes
AUGER BIT disadvantages
Expensive
Operated slowly
Used in hand powered brace
HOLE SAW uses
like that thing from fake wood set
Drills large circular holes
HOLE SAW advantages
quickly drills holes around perimeter
leaving waste as a solid plug
HOLE SAW Disadvantages
Rough finish due to those big ass teeth
Cant make blind hole