Twist Drill Bit |
![]() |
The figure below labels the important angles for a typical twist drill bit.
![]() |
Drill Bit Variety |
![]() |
The figures below illustrate various drill bits and their cut hole configurations.
![]() ![]() |
Top of Page |
Drill Chucks |
![]() |
Drill chucks can be of several types, but are typically three-jaw since three points on the circumference define a circle in two dimensions. A standard three-jaw and a multi-jaw chuck are shown in the figures below.
![]() |