When starting to drill a hole, which feeding approach is recommended?

When starting to drill a hole, which feeding approach is recommended?

• A. Light feed
• B. Medium feed
• C. Heavy feed
• D. No feed

Answer: (C)

The main idea is to start the drill with a gentle touch so the cutting edge can bite cleanly and establish a centered entry. Using a light feed at the start minimizes rubbing, reduces the risk of the bit grabbing or wandering, and keeps cutting forces manageable as the hole begins. Once the bit has established a small pilot cut and starts cutting properly, you can increase the feed to an appropriate rate for the material and drill size. No feed would not create a hole, and a heavier feed at the outset can push the bit off center, overload the tool, and lead to poor hole quality. Therefore, beginning with a light feed gives you better control and a cleaner start.

The main idea is to start the drill with a gentle touch so the cutting edge can bite cleanly and establish a centered entry. Using a light feed at the start minimizes rubbing, reduces the risk of the bit grabbing or wandering, and keeps cutting forces manageable as the hole begins. Once the bit has established a small pilot cut and starts cutting properly, you can increase the feed to an appropriate rate for the material and drill size. No feed would not create a hole, and a heavier feed at the outset can push the bit off center, overload the tool, and lead to poor hole quality. Therefore, beginning with a light feed gives you better control and a cleaner start.