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Author Topic: Drilling thumb hole first  (Read 10590 times)

jjweb

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Drilling thumb hole first
« on: September 29, 2005, 04:24:55 PM »
I recently had some stuff drilled up at a shop where the pro drilled the thumb hole first, followed by the fingers. Anybody else ever done it or seen it done? Any possible advantages to drilling this way?

 

PhilipWhiteman

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Re: Drilling thumb hole first
« Reply #16 on: December 24, 2019, 02:56:23 PM »
I was still one handed at the time i drilled now i'm two handed it was drilled to be more length and smooth backend but now i need more backend with 200 games on it it's now slow to friction

johns811

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Re: Drilling thumb hole first
« Reply #17 on: December 28, 2019, 06:39:02 AM »
I'm curious how many times a customer has flipped out on one of you for scribing their ball. There is a guy in town that scribes and a lot of people don't go back to him because they feel that he has scratched their brand new ball. I personally drill the thumb hole first. Just the way I learned and feel the most comfortable with. When you drill the fingers first how does it work when you oval a customers ball on the press. What about bevel etc. Seems that after the oval and bevel the span might come out short once in a while.

I get the benefits of the scribe line but I would not want them on my ball. When I drill I use a sharp grease pencil for fingers and regular pencil on the thumb slug. I mark the hole center before I drill and usually get very good accuracy. Try to hit edge of line.

ignitebowling

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Re: Drilling thumb hole first
« Reply #18 on: December 28, 2019, 09:06:53 AM »
Scribed lines on tour are to keep lines from being rubbed off while being handled.  Accuracy isn't gained from it.  You want thin lines use a sharp pencil or invest in a pen.

I drill fingers first then the thumb.  After drilling the fingers I recheck the measurements then drill the thumb.

I also mark my lines and center punch them with the drill but,  not drill to the edge of the line.

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« Last Edit: December 28, 2019, 06:07:26 PM by ignitebowling »
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themagician

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Re: Drilling thumb hole first
« Reply #19 on: December 28, 2019, 09:45:32 AM »
We always do the thumb first, then recheck the lines, then drill the fingers. As long as your careful I don't think there really is much difference, but the guy I learned from is all about the thumb first.
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Juggernaut

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Re: Drilling thumb hole first
« Reply #20 on: December 29, 2019, 01:41:56 PM »
My thumb is an oval, so the shop drills it first, works it out to fit, then remeasures before drilling the fingers.
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Steven

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Re: Drilling thumb hole first
« Reply #21 on: December 29, 2019, 02:44:49 PM »
We always do the thumb first, then recheck the lines, then drill the fingers. As long as your careful I don't think there really is much difference, but the guy I learned from is all about the thumb first.

My driller does the same -- thumb first, rechecks the lines, then does the fingers.
 
I don't know which method is better than the other. But I always check the spans with a quarter scale after each drill, and he nails it. I'm not going to complain.