Which wood drill for M10?

[JF.]

What dimension of the drill is typically used for carriage bolt M10?

 

[prototypen]

10 mm gives a tight fit.
According to some standard, the hole for M10 should be 11 mm.

Drill 10 mm and hammer in the bolt, the square sits better in a tight hole.

Protte

 

[JF.]

Thank you for the answer