Here's an excellent set of drill bits
from .0135" to .039" in numbered drill size increments (#61 to #80 drill bits).
See our drill conversion chart to the right for metric equivalents.
These are the smaller size drill bits used
for gas clone engine main jets and pilot jets of Walbro carburetors.
This drill bit kit has many applications.
Use these sizes for carburetor tuning for everything from Radio Controlled to
This drill set comes in a plastic case and
includes a conversion chart for the numbered size to the decimal