DIY Network

How to Make a Straight Ball-Drilling Jig

Drilling a straight hole into a wooden ball can be difficult. Use these step-by-step instructions to create a jig that'll make it easy to drill a straight hole into a ball.

More in Home Improvement

making a straight ball drilling jig
  • Time

    Under Half Day

  • Price Range

    $1 - $50

  • Difficulty

    Hard

Highlights:

Step 1: Make and Drill a Block

Screw together two 3/4" pieces of material to make a block.

Use a hole saw on the drill press to cut a hole through the center of the block (Image 1).

Use a drill to make holes for the rods (Image 2).

Step 2: Split the Block, and Add Dowels

On the table saw, split the block in half.

Glue the dowels in the holes in one half of the block (Image 1).

Put the block back together (Image 2).

Step 3: Position the Jig and Ball

Place the jig on the drill press table.

Put the ball into the jig. Center the ball over the center hole in the table.

Step 4: Drill the Ball

Clamp the jig to the table, then clamp the jig together.

Drill a hole into the center of the ball.

clamp jig to table, then clamp jig together

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