Drilling is a machining operation to make holes in a workpiece. Drill bit is the specialized cutting tool for this job. Twist Drill bits come in various sizes, types, and materials. And they have a complex geometry.
There are 3 main parts: Shank, Body and Drill point.
The geometry of the drill point is further defined by various angles, which have described in detail using a 3D model available in GrabCAD.
Source :
http://neme-s.org/2005 May Meeting/drills.pdf
Credits :
Music : https://www.youtube.com/watch?v=uAW3L
Videos Used :
Drill Terminology : https://www.youtube.com/watch?v=lOIjliw1sBI
https://www.youtube.com/user/gotmachinery/
Drill Bit Construction :https://www.youtube.com/watch?v=COtHwzPlW5E
Drilling Machine : Production Engg Lab, NIT Durgapur, WB IN
