Drilling Bench Dog Holes

Thinking of boring some 3 4 dog holes in my bench what is the best way to make them perfect 90 degree and straight. I was thinking about using a spiral upcut router bit to start it and a fostner bit on the drill to finish it but that it a lot of money for the router bit looks like around 50. Bryan nelson adding bench dog holes makes any worksurface more versatile.

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Manny rivera austin texas.

Drilling bench dog holes. After the first hole. The lipped brad point style scores the perimeter of the hole for clean entry and smooth sidewalls. If your entrance and exit holes both hit the mark the hole.

I drilled 3 4 holes for bench dogs in my workbench that unfortunately aren t spot on perpendicular to the top as a result my shopmade dogs made with 3 4 dowels don t sit flat photo above how can i fix this. Mark a centerline on both long edges of your 2 4. For drilling the dog holes lee valley offers 3 4 07j02 48 33 and 20mm 07j16 20 35 drill bits that are 6 long overall with 3 5 8 of fluting enough to go through the jig and a 2 thick bench top.

Also be sure to measure the post of your holdfasts to determine the hole size and if you are unsure about the grip test bore some holes to determine if any counterbore is necessary to facilitate holdfast grip. Here s a simple way to get consistent accurate holes. Determine what the measurement will be between bench dog holes then drill a second hole in the jig equal to this distance.

The benchtop is a little over 3 if that matters. That s tricky manny because redrilling the holes to correct the angle might help the bench dogs sit flat but could create a. If you don t have a drill press here s how.

Remember that you want to have your holdfasts in hand first so you can measure their reach. Mark the location for the entrance and exit hole on the 2 4. These marks should be aligned.

Secure the jig to work bench and carefully drill hole. Bench dog holes allows you to add all kinds of stops clamps and vises to your worksurface. How to make a jig to aid in accurately drilling repeatable workbench dog holes in a benchtop for tools like holdfasts and wonder pups.

Bench dog drilling guide by. Click the image to download the pdf diagram to help you place your first dog holes. Drill through the 2 4.

First you need to drill a plumb hole through the width of the 2 4. Also discussed is sele. A row or two of 3 4 dia.

Making my workbench a multifunction table with extra dog holes and clamping options https amzn to 2razhmd https amzn to 2rd6iyb donate to support the cha. Since you are using the same forstner bit in all drilling operations a secure fit of the bit in the jig is guaranteed.

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