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Step 4Prepare the Angle Bracket
Modify the angle bracket by drilling out the #8 hole on the long arm with the step-drill bit (pictured). If you don't have a step-drill bit, use the 1/4" high-speed steel bit, and drill slowly. If you have a drill press, use it. Trying to drill small, thick metal with a hand tool is not easy.
WARNING Be sure that you clamp the bracket firmly in a vise, and wear adequate eye protection -- the drill bit can grab the bracket and spin it without warning.
When you've finished drilling, clean up both edges with the deburring tool (pictured), or with a 1/8" round file.
WARNING Be sure that you clamp the bracket firmly in a vise, and wear adequate eye protection -- the drill bit can grab the bracket and spin it without warning.
When you've finished drilling, clean up both edges with the deburring tool (pictured), or with a 1/8" round file.
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