Brunswick Fury Pearl Drill Instructions

The Brunswick Fury Pearl is a pro performance-rated bowling ball designed with a smooth, matte pearlized coverstock finish to provide an optimal skid/snap reaction upon contact with lanes from medium-dry to medium-oily conditions. Its core allows for high hook potential while retaining controllable breakpoints as it rotates. The first step in using a Fury Pearl is to drill the holes to fit your fingers and preferred grip style, which must be done with the proper equipment and measurements.

Things You'll Need

  • Bowling ball drill
  • Finger size chart
  • Cloth tape measure
  • Brunswick drilling layouts
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Instructions

    • 1

      Measure the circumference of your thumb and two middle fingers at the second knuckle with a cloth tape measure to determine the size of the holes to be drilled; also measure the distance from the tip to your second knuckle to determine the depth. Visit a nearby bowling center and ask to see a bowling ball hole size chart to match the measurements to the appropriate hole sizes. Finger holes are generally divided into five standard sizes: extra-small, small, medium, large and extra-large for each finger and thumb.

    • 2

      Determine the number of holes to be drilled and the location of these holes in relation to each other based on the type of grip you use and the level of precision you require. Up to 12 holes are allowed, but most "non-pro" bowlers will only require three: two for the middle fingers and one for the thumb. The holes can either be drilled to provide a conventional grip -- fingers inserted up to the second joint -- or a semi or full fingertip grip -- up to the first joint.

    • 3

      Try out other balls at your local bowling center until you find one that offers the most comfortable grip, whether a conventional or fingertip grip. Measure the span between the thumb and finger holes on that ball and transfer that measurement to your ball when it comes time to drill the holes.

    • 4

      Locate the optimal positions on the ball for the holes to be drilled. This is based upon the location of the ball's "pin," which is a plug that signifies the position at the top of the ball's core, as well as its center of gravity, which is marked by a small punch mark on the ball's surface. Specific drilling locations can affect the performance of the ball, though this is only a factor for serious or professional bowlers. Locate and consult the drilling layouts for Brunswick pro-performance balls to determine the hole placement for such advanced performance characteristics if you choose.

    • 5

      Place your Fury Pearl onto the cradle of a bowling ball drill and rotate it into position. Use the pin and center of gravity mark to align the ball, selecting a specific position for one of the advanced settings according to the layout chart or simply aligning the center of gravity mark on top so that it is between the thumb and finger holes.

    • 6

      Load a drill bit onto the drill press of the appropriate size for your thumb. Turn on the drill and drill the thumb hole. When finished, change the drill bit, realign the press and drill each of the finger holes at the chosen positions.