Skip to main content
13 votes
Accepted

Adapting a 4-jaw drill chuck to hex shanks?

Drill presses usually have a standardized chuck connector, such as Morse Taper (MT) or Jacobs Taper (JT). These are followed by a number to denote the size (MT2, JT3, etc.). You can take your ...
Eli Iser's user avatar
  • 3,610
5 votes

Cutting a circle out of a sleeper to a certain depth

A forstner bit will result in a clean bottomed hole. Although 64mm is a slightly obscure size, you could expect a 64th of slop from a 2-1/2" bit. (Alternate choices include self-feeding bits, though ...
Aloysius Defenestrate's user avatar
4 votes
Accepted

Cutting a circle out of a sleeper to a certain depth

I was thinking about a hole saw attachment, however I do not think this will extract the wood if the depth does not exceed the total depth of the sleeper. That's correct, and in addition you could ...
Graphus's user avatar
  • 66.3k
2 votes

Adapting a 4-jaw drill chuck to hex shanks?

As mentioned, the best option is to replace the chuck. Having different types of chuck is useful regardless. If that is undesirable for some reason, you could try getting a hex-drive extension. ...
Perkins's user avatar
  • 141

Only top scored, non community-wiki answers of a minimum length are eligible