Input

Included Angle:

60 Deg. 82 Deg. 90 Deg. 118 Deg. 132 Deg. 135 Deg. 144 Deg.

Drill Diameter:

inches

Output

Length:

inches

Formula

Drill Tip Length:

• \( L = \frac {\frac{d}{2}} {\tan\left(\frac{\theta}{2}\right)} \)

Where:

• \(L=\) Drill Tip Length (inches)
• \(d=\) Drill Diameter (inches)
• \(\theta=\) Included Angle (degrees)