.0995"
Depends on the diameter of the conduit. Try for 1/4" larger diameter drill bit.
A # 30 drill bit is 0.1285 inch, or fractionally more than a 1/8 bit.
The standard size of a 6mm drill bit is 6 millimeters in diameter.
The thinnest drill bit available for purchase is typically around 0.0135 inches in diameter, also known as a 80 drill bit.
A hand drill is scommonly used for holes under 1/4 in in diameterANS 2 - The diameter is simply the width of the drill bit from side to side.
With a micrometer.
Drill bits not only come in fractional number sizes they also come in letter sizes. The F size drill bit is .257 thousandths of an inch in diameter. A 1/4 inch drill bit is .250 thousandths of an inch in diameter, so size F is .007 thousandths of an inch bigger than a 1/4 inch drill bit.
For all practical purposes an 8mm drill is equal to 5/16 inch.
The recommended 5 drill bit size for drilling holes in metal is 0.2055 inches in diameter.
To determine the correct drill bit size for a project, you should refer to the instructions or specifications provided for the project. Additionally, you can use a drill bit sizing chart or measure the diameter of the screws or fasteners you will be using to select the appropriate drill bit size.
The measurement of a drill bit is taken across it's diameter. They go from very tiny, right up to inch sizes and are measured in metric or SAE,
For creating a pilot hole, use a drill bit that is slightly smaller in diameter than the screw you plan to use.