simple option: take a string, wrap it around the tube, cut off extra, measure the string. Divide by 3, use a ruler to mark the 3 spots on the string, wrap back around tube, and transfer the dots to the tube. DRILL!
Accurate option: find circumference of tube. (you can find this by measuring the diameter of the tube, multiply that by PI) divide by 3, mark a starting point, drill holes offset by your length.
For a cut tap the correct drill size is a #17 drill, which has a diameter of .173 inches.
For all practical purposes an 8mm drill is equal to 5/16 inch.
The thinnest drill bit available for purchase is typically around 0.0135 inches in diameter, also known as a 80 drill bit.
if the diameter 5/16 inches then you covert the 5/16 into 0.3125 inches. divide 5 by 16=0.3125 which is a little bigger than 0.3! ;)
The recommended 5 drill bit size for drilling holes in metal is 0.2055 inches in diameter.
There are 25.4 millimetres in one inch. Therefore, rounded to two decimal places, 8 millimetres is equal to 8 / 25.4 = 0.31 inches.
18.6240 yd³
To drill out a hole that has a diameter of 0.055 inches, you would typically use a drill bit that is slightly larger than 0.055 inches, depending on the desired final size. If you need to increase the hole size, you can consider using a 1/16 inch (0.0625 inches) drill bit, which is a common size for this purpose. Always ensure to check the specifications for the application to avoid oversizing.
A number 10 drill bit refers to a drill bit size in the U.S. numbering system, which is commonly used for small diameter holes. Specifically, a number 10 drill bit has a diameter of approximately 0.1935 inches (4.9 mm). It is often used in woodworking, metalworking, and for creating pilot holes for screws. The exact size can vary slightly depending on the specific drill bit manufacturer.
7/8 diameter drill or .875
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.
The recommended drill size for a hole that needs to be 6mm in diameter is 5.5mm.