Correct drill bit for slip fit

[Electropilot]

Anyone know the correct drill bit to drill a shaft coupler for slip fit on a 5mm motor shaft?

Have looked everywhere, but all I find is a #9 bit is 0.1960. and the person whom posted those comments on a different forum says that is a slip fit for 5mm, Is this correct?

Thanks in advance:)

[Basstronics]

I ordered a 5.00 mm twist drill "Cleveland" brand. Good US made quality. Reality is its a drill bit, so its going to drill slightly over anyhow. Just make sure to use plenty of cutting oil/lube and to use a proper center drill and predrill the center only about the size of the web of the final drill. This will yield the tightest hole you can get with a twist drill.

For lube I prefer tap magic. If I cant get it just some solid LARD rubbed on the drill bit at speed. Dont laugh, it works and well (old Hungarian machinist taught me this).

[egneg]

5mm is .1968 so you should be close.

[Electropilot]

Awesome, thanks guys! Wanted to make sure before I bought a good #9 drill bit.

[T.C.]

Why not drill slightly under size and then buy a 5mm ream ?
Just measure the motor shaft as all are not 5mm, may be slightly under ?
T.C.

[Basstronics]

Why not drill slightly under size and then buy a 5mm ream ?
Just measure the motor shaft as all are not 5mm, may be slightly under ?
T.C.

Quoted for truth.