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Sampling of WOOD's Top Tips, Part 1

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Magnetic Attraction

Magnetic attraction opens your eyes to the blind hole

If you've ever built a bed using traditional bed bolts, as shown, you know how difficult it is to blindly match the bolt-access hole to the bolt hole in the rail. Misalign the two holes even slightly, and the nut won't slip over the bolt threads. Here's my method to perfectly mark the centerpoint of the bolt access hole.

After drilling the bolt hole in the end of the rail (but before boring the access hole), slide the bed bolt into it. Now roll a cylindrical rare-earth magnet, or a stack of flat, round ones, over the inside face of the rail. The magnets will be drawn to the internal bolt and "find" it by coming to a rest directly over the bolt. Mark that location and repeat, moving the magnets farther from the end until they no longer attract. You have located the end of the bolt. Mark a center point there and drill the access hole.

—Mike Schupp, Prairie Village, Kan.

PDF of Tip

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Comments (4)
waddellmd60 wrote:

that's presuming your hole is straight through to the rail. This is a good solution. I have used a rod through the post and rail hole and then shot a laser line and measured to get the exact location of the hole to be drilled

11/27/2013 10:17:20 AM Report Abuse
jlcusimano1 wrote:

tacomastuff-You already determined the centerline of the bolt before you drilled the bolt hole ... and you also know how deep you drilled the hole; again, no magnets required

1/31/2013 02:58:20 PM Report Abuse
tacomastuff wrote:

jlcusimano1- The magnet to find the bed bolt trick not only finds the end of the bolt, but also locates centerline axis of the bolt. If you use it to find centerline, it takes only a moment to go to the end of the bolt.

10/26/2012 06:04:27 AM Report Abuse
jlcusimano1 wrote:

Since you know how long the bed bolt is under the head and you know how deep it is recessed into the le, why not simply apply a little arithmetic to determine where the end of the bed bolt is in the bed rail? No magnets needed, also works with brass bolts.

10/25/2012 11:48:48 AM Report Abuse

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