I have used an awl, tapping it good with a hammer to make a nice hole into which to put the bit.
earlier, Dale Leavens, wrote: >Rae > >If you can do that you either have much better touch than I do or a lot more >sight! > >Accurately placing the point of a bit on the intersecting point of scribed >lines by touch takes one heck of a lot of skill in my experience. I can't >usually get the tip into the middle of a hole in something like a hinge >without using a center punch to mark the hole. > >Dale Leavens, Cochrane Ontario Canada ><mailto:DLeavens%40puc.net>[EMAIL PROTECTED] >Skype DaleLeavens >Come and meet Aurora, Nakita and Nanook at our polar bear habitat. > >----- Original Message ----- >From: "Ray Boyce" <<mailto:rayb101%40dodo.com.au>[EMAIL PROTECTED]> >To: <<mailto:blindhandyman%40yahoogroups.com>[email protected]> >Sent: Sunday, January 07, 2007 7:47 PM >Subject: [BlindHandyMan] Drilling Shelf Pin Holes > > > Hi > > Drilling shelf pin holes is easy if you follow a few simple steps. > > Installing Adjustable Shelf Pins > > Consistency Is Key > > > > Adjustable shelving is a common feature of virtually any type of cabinet > > and a simple way to increase the versatility of the project. > > > > Drilling the cabinet sides to accept the pins that support the shelves > > is > > easier than you might think. The most important part of the process is > > being > > consistent. Since each shelf is supported by a pair of pins at each end, > > the > > holes must be level for the installed shelf to be level. The good news is > > you can handle this task with basic equipment in a minimal amount of time. > > > > A 6" combination square is perfect for laying out the pin hole locations. > > Here the blade is used to trace the vertical lines onto the cabinet side > > piece. > > > > Drilling Options > > > > The goal of drilling is to produce holes that are accurately aligned to > > each other front to back and equally spaced vertically. In addition, the > > holes > > must fit the pins closely, be 90-degrees to the side and deep enough for > > the > > pin to seat fully. > > > > While a hand-held drill can be used, it must be held exactly 90-degrees > > to the surface and very steady to avoid increasing the diameter of the > > holes. > > If the holes are not precise, the pins will hang and the shelf will rock > > or > > tilt. > > > > Using a drill press is by far the easiest way to eliminate nearly all of > > these problems. Even the most basic drill press is capable of drilling > > shelf > > pin holes quickly and accurately. I have drilled shelf pin holes with a > > 10", > > benchtop press for years with no problems. > > > > The blade on my 6" combination square is 3/4"-wide, perfect for spacing > > the > > rows of pin locations. > > > > Jigs > > > > Manufactured jigs that vary widely in price and capabilities are > > available for drilling shelf pin holes. Common pegboard can be used to > > build > > a drilling > > jig but has liabilities as well. If the cabinet has a recessed back panel, > > two jigs may be necessary. In addition, pegboard is very soft and the > > holes > > easily enlarged during drilling, greatly reducing accuracy. > > > > Layout > > > > A very accurate layout can be drawn quickly using a simple combination > > square and a sharp Scriber. Creating a simple grid on the cabinet sides > > makes drilling > > an accurate set of holes easy, particularly on a drill press. > > > > The pins should be set in from the edges of the shelf sufficiently to > > limit their visibility while maximizing support. Set the blade of the > > square > > to > > locate the forward line of holes and draw that line on both cabinet sides, > > top to bottom. > > > > fast and simple. > > > > Because most cabinets have a rabbet that recesses the back panel, the > > rear line of holes must be set in from the edge of that rabbet. With the > > square > > adjusted as needed, draw the line for the rear line of pins on both > > cabinet > > sides. > > > > Start laying out the horizontal lines by finding the vertical center of > > the cabinet sides and drawing a line across the width making sure to cross > > both > > vertical layout lines. > > > > The vertical spacing between the rows of holes can be whatever you like > > but I find ¾" works very well. This also is the width of the blade on most > > 6" > > combination squares. Using the blade itself to space the lines of holes > > makes this part of the layout fast, simple and all but goof-proof. > > > > The holes should be slightly deeper than the length of the pin to insure a > > flush fit. > > > > Align the edge of the blade to the centerline and draw a line along the > > other side of it. Move the square down, register the blade with that line > > and > > repeat the process until you get close to the end of the cabinet side. Go > > back to the center and draw lines on the remaining half of that piece. Do > > the > > same on the other cabinet side and the grids will match. > > > > The holes can be run as close to the ends of the cabinet sides as you > > like but be realistic. It is unlikely that a shelf will be placed within 2 > > or 3-inches > > of either the top or bottom of the cabinet making pin holes in those areas > > unnecessary. > > > > Drilling > > > > Note: When using a manufactured jig, follow the directions that came with > > it.Install the appropriate-sized brad point bit for the shelf-pins into > > the > > drill > > press. Place one of the cabinet sides on the table and lower the point of > > the bit, aligning it with the center hole location. It doesn't matter if > > you > > start with the front or rear line of holes. > > > > > > Sanding the interior surfaces is easier now anyway so sand the layout > > lines > > away in the process. > > > > Sink the point of the brad point bit into the wood where the layout > > lines > > cross, marking the location of a pin hole. Square the workpiece to the > > table > > before clamping a piece of wood to the table against its rear edge to act > > as > > a fence. > > > > Set the depth stop to produce holes approximately 1/16" deeper than the > > pins require to insure they will install flush against the sides. > > > > Slide the board along the fence, aligning the fine tip on the brad point > > bit with the layout lines. Carefully drill all of the holes in that line > > on > > both cabinet side pieces. > > > > Adjust the fence for the remaining line of holes and repeat the > > procedure > > to finish both cabinet sides. > > > > After all of the holes have been drilled, you can finish sand the inside > > faces of the cabinet sides, cleaning up the edges of the holes and > > removing > > the layout lines in the process. > > > > Simple tools and procedures can produce shelf pin layouts equal in > > accuracy to a jig without sacrificing versatility. All that is required > > from > > you is > > a little time and attention. > > > > > > > > To listen to the show archives go to link > > <http://acbradio.org/handyman.html>http://acbradio.org/handyman.html > > or > > > <ftp://ftp.acbradio.org/acbradio-archives/handyman/>ftp://ftp.acbradio.org/acbradio-archives/handyman/ > > > > The Pod Cast address for the Blind Handy Man Show is. > > > <http://www.acbradio.org/news/xml/podcast.php?pgm=saturday>http://www.acbradio.org/news/xml/podcast.php?pgm=saturday > > > > The Pod Cast address for the Cooking In The Dark Show is. > > > <http://www.gcast.com/u/cookingindark/main.xml>http://www.gcast.com/u/cookingindark/main.xml > > > > Visit The Blind Handy Man Files Page To Review Contributions From Various > > List Members At The Following address: > > <http://www.jaws-users.com/handyman/>http://www.jaws-users.com/handyman/ > > > > Visit the new archives page at the following address > > > <http://www.mail-archive.com/[email protected]/>http://www.mail-archive.com/[email protected]/ > > For a complete list of email commands pertaining to the Blind Handy Man > > list just send a blank message to: > > > <mailto:blindhandyman-help%40yahoogroups.com>[EMAIL PROTECTED] > > Yahoo! Groups Links > > > > > > > > > > > > > > -- > > No virus found in this incoming message. > > Checked by AVG Free Edition. > > Version: 7.1.409 / Virus Database: 268.16.1/611 - Release Date: 31/12/2006 > > > > > > > >No virus found in this incoming message. >Checked by AVG Free Edition. >Version: 7.5.432 / Virus Database: 268.16.6/617 >- Release Date: 1/5/2007 11:11 AM John -- No virus found in this outgoing message. Checked by AVG Free Edition. Version: 7.5.432 / Virus Database: 268.16.6/617 - Release Date: 1/5/2007 11:11 AM To listen to the show archives go to link http://acbradio.org/handyman.html or ftp://ftp.acbradio.org/acbradio-archives/handyman/ The Pod Cast address for the Blind Handy Man Show is. http://www.acbradio.org/news/xml/podcast.php?pgm=saturday The Pod Cast address for the Cooking In The Dark Show is. http://www.gcast.com/u/cookingindark/main.xml Visit The Blind Handy Man Files Page To Review Contributions From Various List Members At The Following address: http://www.jaws-users.com/handyman/ Visit the new archives page at the following address http://www.mail-archive.com/[email protected]/ For a complete list of email commands pertaining to the Blind Handy Man list just send a blank message to: [EMAIL PROTECTED] Yahoo! 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