The helix angle on a high speed steel twist drill for drilling cast iron is the order of:
A. 12-22°
B. 24-32°
C. 35-40°
D. 40-45°
Answer: B
The helix angle on a high speed steel twist drill for drilling cast iron is the order of:
A. 12-22°
B. 24-32°
C. 35-40°
D. 40-45°
Answer: B
If the answers is incorrect or not given, you can answer the above question in the comment box. If the answers is incorrect or not given, you can answer the above question in the comment box.