tag:blogger.com,1999:blog-2554667700880182595.post9185245541229362002..comments2017-03-22T13:52:48.043+00:00Comments on synth-diy: Making panel holesArishttp://www.blogger.com/profile/17461816478472238034noreply@blogger.comBlogger10125tag:blogger.com,1999:blog-2554667700880182595.post-55974917250492690792009-01-18T03:21:00.000+00:002009-01-18T03:21:00.000+00:00In the past I've used brad-point (or lip &...In the past I've used brad-point (or lip & spur) drill bits for cutting holes in panels. They leave a tiny bit of swarf on the back face, but usually not much, and they normally make quite a clean hole.<BR/><BR/>Here's a <A HREF="http://en.wikipedia.org/wiki/Drill_bit#Lip_and_spur_drill" REL="nofollow">wikipedia link</A> to what I'm talking about. That article suggests they can only be used for soft metals - I've used them successfully on aluminium & plastic panels, haven't tried steel, though I guess you could use one to score the panel from both sides before using a conventional drill to cut through. A drill press is a definite must if you want any sort of accurate holes, though. Cutting aluminium with a hand-held drill makes it very difficult to get round holes...Bernhttps://www.blogger.com/profile/05146168174609538844noreply@blogger.comtag:blogger.com,1999:blog-2554667700880182595.post-60157497366314131392009-01-17T17:23:00.000+00:002009-01-17T17:23:00.000+00:00I think the word you are looking for describing th...I think the word you are looking for describing the metal goo that is on the exit side of the drill hole is "swarf".Dunxhttps://www.blogger.com/profile/12612454207916684408noreply@blogger.comtag:blogger.com,1999:blog-2554667700880182595.post-3905310624494088582009-01-15T02:56:00.000+00:002009-01-15T02:56:00.000+00:00If you really want precission cut holes for variou...If you really want precission cut holes for various projects get a knock out punch. Tool manufacturers such as Greenlee sell basic kits and specialty dies.Anonymousnoreply@blogger.comtag:blogger.com,1999:blog-2554667700880182595.post-58883561063106398342009-01-15T00:47:00.000+00:002009-01-15T00:47:00.000+00:00I've made holes for 25 pin RS232 ports with a ...I've made holes for 25 pin RS232 ports with a punch before. Granted... it's a specialty tool (especially now), but it does a great job. For rectangle holes try this link. http://www.mygreenlee.com/Products/main.shtml?greenlee_category_id=2&product_category=143&adodb_next_page=1Anonymousnoreply@blogger.comtag:blogger.com,1999:blog-2554667700880182595.post-76445261037668766182009-01-14T18:20:00.000+00:002009-01-14T18:20:00.000+00:00Indeed the step drill was of the worst quality ava...Indeed the step drill was of the worst quality available (I got the cheapest on ebay just to try it out). But now I'm on the hunt for a good one!Arishttps://www.blogger.com/profile/17461816478472238034noreply@blogger.comtag:blogger.com,1999:blog-2554667700880182595.post-60750642921422203832009-01-14T18:14:00.000+00:002009-01-14T18:14:00.000+00:00The first picture shows you need a better quality ...The first picture shows you need a better quality step drill and a drill press.<BR/>Second picture shows that you need much less pressure when tapering a hole.<BR/>Always let the drill do the cutting, you should not need to push the drill all that hard, if you do you need better drill bits or a faster drill.Anonymousnoreply@blogger.comtag:blogger.com,1999:blog-2554667700880182595.post-45028755407837177192009-01-14T17:32:00.001+00:002009-01-14T17:32:00.001+00:00Of course Harbor Freight is the bomb when it comes...Of course Harbor Freight is the bomb when it comes to step drills:<BR/><BR/>http://www.harborfreight.com/cpi/ctaf/displayitem.taf?Itemnumber=96275Philhttps://www.blogger.com/profile/03211127761388887571noreply@blogger.comtag:blogger.com,1999:blog-2554667700880182595.post-70717119146959224752009-01-14T17:32:00.000+00:002009-01-14T17:32:00.000+00:00likely depends on the particular nibbler one nibbl...likely depends on the particular nibbler one nibbles with - mine successfully chomped 2mm snacks thoUnknownhttps://www.blogger.com/profile/06871968115337991018noreply@blogger.comtag:blogger.com,1999:blog-2554667700880182595.post-12030456970996190002009-01-09T07:39:00.000+00:002009-01-09T07:39:00.000+00:00Does the nibbler work for thick sheets? (like 2mm ...Does the nibbler work for thick sheets? (like 2mm eg)Arishttps://www.blogger.com/profile/17461816478472238034noreply@blogger.comtag:blogger.com,1999:blog-2554667700880182595.post-21551186505426182222009-01-09T00:49:00.000+00:002009-01-09T00:49:00.000+00:00I've made square holes in the past with a nibbler....I've made square holes in the past with a nibbler.solipsistnationhttps://www.blogger.com/profile/04253074367136494983noreply@blogger.com