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How do you determine the drill size for tapped holes?
Google "tap drill sizes" and you'll get 19400 results. The formula for that calculation is searchable in Machinery's Handbook, but there are simple charts you will get in your search that can give you the answer for any size you need to know.
How much larger than the pipe size should the drill bit being used to drill holes in the floor joist be?
Wrong Question... You first determine the hole size required for the mine plan and then based on the air capacity and pulldown capacity of the drill rig you can determine the optimal drill pipe diameter to achieve productivity from the drill. What size is your drill? Air Capacity in CFM, Pulldown Capacity. What size does your drilled hole (diameter and depth) need to be to suit the mine plan (for the drill & blast process)?
What size drill bit should you use for a hole to be tapped for a .25 x 20 screw?
I use a 3/16 drill bit for that.
What machine is used when holes must be made in a material very accurately?
That depends on the material and the size of holes. -I can do that on a drill press with a jig.
What size drill bit do you use to make holes in your fingerboard?
More information is needed as to the purpose of the holes, and what a 'fingerboard' is .
Which bit is specifically used to drill holes in concrete and masonry work?
A 40mm hole saw is more efficient than a drill bit for holes of this size.
What size holes would you drill in the pipe to make a burner for a pig cooker?
The holes for a pig cooker should be about a half inch to an inch wide. These holes must be drilled into a pipe for the cooker.
Why is it best to use the right size of drill it in boring holes?
Because you presumably want your hole to be the right size, not too small or too big.
Why is the best to use the right size of drill bit in boring holes?
Because you presumably want your hole to be the right size, not too small or too big.
What size drill bit to use to drill holes for vertical blinds?
Depends which screws you are going to use. I usually use the #6 screws that come with blinds. They need no pre-drilling.
Is there a drill bit that can drill holes 2 millimeter wide if so please describe?
You simply use a 2mm drill bit, or if that is too difficult for you, select a 1/16 drill bit which is extremely close in size . -I consider both of these drill bits very common, so it's hard to understand anyone having a problem with it.
Why it is the best to use the right drill bit in boring holes?
Because you presumably want your hole to be the right size, not too small or too big.
