Normally there are 2 but you can have up to 4 finger holes .on a bowling ball fpr approval of the USBC
There Are 3 holes in a ten-pin bowling ball.
There are three holes drilled into a typical bowling ball. These are for the thumb, the index finger, and the forefinger. Occasionally there will be added holes, but this is very rare.
Its 3 so what u think
The most common number of holes in a bowling ball are 2 finger holes and a thumb hole. Sometimes there is a counter weight hole and sometimes there is a hold for the remaining fingers.
Zero, the ball is smaller than normal bowling balls and it fits into your hand so you don't need finger holes in order to roll it.
The standard is 3. I have seen some with 4, but those are rare.
There are three holes in a ten-pin bowling ball.
There is usually 3 holes in a Ten Pin Bowling Ball. 1 large hole for your thumb and 2 smaller holes for your middle and ring finger. Some bowlers may have different numbers of holes based on their bowling style.
3; one for your thumb, one for your middle finger, and one for your ring finger.
The vast majority of bowlers use a ball that has three holes drilled in it and some bowlers use four holes the extra one for the pinky finger.The three holes are for the thumb,middle finger,and ring finger.