Общий каталог Widia 2017 - страница 1510

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 Angle Diameter (Y) (D1)

Point Length (L5)

Chamfer Angle (Y2)

Shank Diameter (D)

Drill Depth before Chamfer (SDL1)

Overall Length (L)

Shank Length (LS)