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That is hole that has been drilled, then had a thread 'tapped' into it so you can insert a machine screw or bolt.
To help pull the bit into the surface being drilled and the spiral on the bit gives the material from the hole a place to go and pulls it out of the hole.
depends on where you put the hole and the load on the timber you're drilling thru. check with your local bldg. dept.
Yes and no. They leave the steel casing in the hole, and usually fill it with lean cement.
When a well is drilled and the drill is removed, all that is left is a hole in the earth/rock. If left that way, the hole could partially or completely collapse. To avoid this, a casing is inserted into the well hole. Usually this is a metal pipe, but it does not have to be made of metal. In the past, stones or bricks were laid by hand to fulfill this purpose. In some cases, a plastic pipe is sufficient.
The relevance is some fool drilled a hole in it.
About 20 dollars! Hey oh!
the hole was a dead end hole you drilled all the way thru and into the water jacket. depending on the model of head you just made sure you get to buy another and replace the one you drilled. Next time go to a mechanic that knows what they are doing.
micro inces
drill a hole, ive drilled several holes in my shaft for different heads and its fine, but you may also want to tape still to assure that the screw will not fall out while your playing
You want a .375 hole. +.001, -.001, maybe.
That is hole that has been drilled, then had a thread 'tapped' into it so you can insert a machine screw or bolt.
A small hole is drilled into the skull
The rotating action of the drill bit makes the hole.
because of heat genareted when drilling,matals tend to expand.hence the hole increases
The paul schedule is the hole under your vagina. If you were to insert your finger up the hole you were able to get prenant.Type your answer here...
WeldBrazeTap and plugCut out and install a union