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Post by jspearm1983 on Feb 3, 2018 14:30:47 GMT -5
What drill bits are people using on your clear drill jigs?
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Post by stumpm2 on Feb 3, 2018 14:41:00 GMT -5
#43 is what I use.
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Post by Vitamin K on Feb 3, 2018 14:48:59 GMT -5
#43 is correct, HOWEVER, remember that not all #43's are the same. If you insert your drill bit into the bushing and there is a lot of play, it won't serve you well. Buy a different brand. FWIW, the #43 bits that I bought from my local Grainger outlet seem to fit the bushings very snugly. |
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Post by jspearm1983 on Feb 3, 2018 15:19:37 GMT -5
I just ordered some #43 from drillsandcutters.com. I'll report back with their fit once they arrive.
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Post by micro on Feb 4, 2018 7:33:28 GMT -5
I get a 12 pack of Viking drill #43 bit from a local distributor. Can usually find some good ones. From McMaster the short jobber bits I have also seen work well. Remember that all inner diameter of the bushings are +0.0001 to +0.0004, so slightly over sized. even a 0.089 pin gauge has a microscopic amount of play.
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Post by jspearm1983 on Feb 4, 2018 15:07:53 GMT -5
I get a 12 pack of Viking drill #43 bit from a local distributor. Can usually find some good ones. From McMaster the short jobber bits I have also seen work well. Remember that all inner diameter of the bushings are +0.0001 to +0.0004, so slightly over sized. even a 0.089 pin gauge has a microscopic amount of play. I love this drill jig. I bet one could drill holes with the clear jig, not put oil or graphite on the wheels at all, and still win on a scout or Awana level of competition. I seriously think alignment matters that much, and this jig is dead on. |
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Post by Chuy on Feb 4, 2018 16:45:48 GMT -5
I agree
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Post by micro on Feb 5, 2018 8:50:57 GMT -5
Thanks guys!
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Post by ljo on Feb 28, 2020 10:19:00 GMT -5
Has anyone tried a drill bit with a 135 degree angle(split point)? They are supposed to walk less.
I'm going to order up a few bits and do some experimentation. I may try a left hand drill bit, as well.
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Post by Chuy on Feb 28, 2020 10:26:17 GMT -5
I do not think there is any benefit to a left-hand drill in this scenario. Although I agree that a 135 would be better than 118 for hard materials, I don't see an advantage on pine especially with the drill bushing right at the face you are drilling. Look at the chart below and tell me your thoughts.  |
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Post by ljo on Feb 28, 2020 10:40:03 GMT -5
Thanks Chuy. It was just a thought. I realize the drill should be snug fitting inside the bushing, but if there's a way to mess something up, I can do it. I was just thinking maybe the larger angle may be a benefit at the start of the drill.
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