Solid Carbide Drills
The Anatomy of a Drill
The Anatomy of a Drill
Use this diagram when describing features of a solid carbide drill.
Point Length
(L5)
Point Angle Diameter Shank Diameter
(Y) (D1) (D)
Max Drill Depth
(L4 max)
Flute Length Shank Length
(L3) (LS)
Overall Length
(L)
Use this diagram when describing features of a solid carbide step drill.
Point Length
(L5)
Chamfer Angle
Point Angle Diameter Shank Diameter
(Y) (D1) (D)
Drill Depth
before Chamfer
Shank Length
(SDL1)
(LS)
Overall Length
(L)
T142
widia.com
(Y2)