Circular cracks around the holes are common.
There's a laundry list of possible reasons for a ball cracking, any one can be the cause. Holes are weak spots and the ball takes a pounding hitting the lane and going through the pins.
The thing to do is just try to prevent them.
With holes take your time drilling them, don't go too fast you don't want to generate a lot of heat. Use of a pilot hole is helpful.
Make sure you bevel the holes.
If you use inserts, don't use too much glue and try to place the glue down in the filler material not in the coverstock if possible.
Bookmarks