General Drilling Question

[Pez]

This might be a dumb question but what size drill bit should be used for pilot holes? Should it be the same diameter as the screw going into the hole? And how deep should the pilot hole be, same deep as screw? Finally does the same logic apply whether its a normal screw or lag screw?

[seeker]

This might be a dumb question but what size drill bit should be used for pilot holes? Should it be the same diameter as the screw going into the hole? And how deep should the pilot hole be, same deep as screw? Finally does the same logic apply whether its a normal screw or lag screw?

See if this helps:

http://www.engineershandbook.com/Tables/woodscrewpilotholes.htm

[bob barkto]

In addition to the chart Seeker mentioned you might find this to be of some help.

Some info on screws

http://www.tcgweb.com/Screws.htm

This might be a dumb question but what size drill bit should be used for pilot holes? Should it be the same diameter as the screw going into the hole? And how deep should the pilot hole be, same deep as screw? Finally does the same logic apply whether its a normal screw or lag screw?

[kingpin]

This might be a dumb question but what size drill bit should be used for pilot holes? Should it be the same diameter as the screw going into the hole? And how deep should the pilot hole be, same deep as screw? Finally does the same logic apply whether its a normal screw or lag screw?

All depends on what material you are screwing in to and the purpose of the screw.

More info please.

Mike

[Pez]

All depends on what material you are screwing in to and the purpose of the screw.

More info please.

Mike

Right now I am making a workbench and then speakers so the material is wood (I have always wanted to take up wookworking and now that I just bought a house I finally have space to do it).