If 20mm hole is needed to be drilled using a drill having point angle of 15 degrees. Value of compulsory approach in mm is

🎲 Try a Random Question  |  Total Questions in Quiz: 10  |  🧠 Study this quiz with Flashcards
This question is part of a full practice quiz:
Manufacturing Engineering Practice Test: Drilling — practice the complete quiz, review flashcards, or try a random question.

Drilling is a cutting process that uses a drill bit to create a hole with a circular cross-section in solid materials. The drill bit is usually a rotary cutting tool that is pressed against the work-piece and rotated at high speeds.

Some common types of drilling methods are: Percussion drilling, Auger drilling, Rotary drilling, Jetted drilling, Downhole drilling.


If 20mm hole is needed to be drilled using a drill having point angle of 15 degrees. Value of compulsory approach in mm is