pilot bit

Thân thiện

A carpenter uses a pilot bit to start a hole in a wooden plank.

Definition

Noun: A pilot bit is a small, leading drill bit that creates an initial, guiding hole. Its primary function is to ensure the accurate placement and alignment of a subsequent, larger drill bit that will finish the hole.

Usage

The term "pilot bit" is used specifically in drilling and machining contexts. It describes a tool used at the beginning of a process to establish a precise path for a larger tool to follow. * Always start with a pilot bit when drilling large holes in metal to prevent the drill from wandering. * The carpenter used a pilot bit to guide the larger Forstner bit for the clean hinge recess.

Advanced Usage

• Creating a Pilot Hole: The action of using a pilot bit is often described as "drilling a pilot hole." The pilot bit itself is the tool that performs this action.
  • The key to a clean installation is to drill a precise pilot hole using the correct size pilot bit.

Variants and Related Words

• Pilot Hole (n): The small, initial hole created by a pilot bit.
  • After drilling the pilot hole, he switched to the final drill size.
• Guide Bit (n): A less common synonym for pilot bit, emphasizing its guiding function.
• Center Bit (n): A type of bit often used to start a hole accurately, similar in function to a pilot bit but sometimes with a different design.

Synonyms

• Starter bit
• Guide bit
• Lead bit

Related Phrases

• To pilot a hole: A verb phrase meaning to drill an initial, guiding hole.
  • You must pilot the hole before using the countersink bit.

Học thuật

Noun

1. a small bit that drills a first hole to guide a larger drill