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The Newbies Arena Are you new to knife making? Here is all the help you will need.

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Old 02-18-2014, 10:20 PM
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Icho Icho is offline
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Join Date: Sep 2012
Location: Windsor, Ontario, Canada
Posts: 173
Jobber length drill bits are pretty much the standard length and most common. They are also usually the cheapest. Taper length are longer so you don't need those unless you need to drill deeper holes. The screw machine length or sometimes called stubby are shorter are sometimes actually a bit pricier even though they are shorter because they are not as common. I find that the shorter the bit the better because it doesn't flex as much and is easier to locate or pick up where I want to place my hole. For knifemaking the jobber is fine but if the price is comparable you can go with the stubby. And after many sharpening a jobber will turn into a stubby anyway.
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Old 02-19-2014, 08:51 AM
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Ray Rogers Ray Rogers is offline
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Join Date: Jun 2002
Location: Wauconda, WA
Posts: 9,795
Screw machine is the shortest, stiffest drill. Those are the ones I prefer. But, obviously, if you are drilling something that needs a deeper hole you'll need a longer drill. In short, its probably best to use the shortest drill that meets your needs. Also, I like the cobalt drills as they seem to last quite a bit longer than the plain HSS without costing too much more...


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Last edited by Ray Rogers; 02-19-2014 at 08:56 AM.
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Old 02-20-2014, 08:40 AM
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SVanderkolff SVanderkolff is offline
Join Date: Jun 2002
Location: Mildmay, Ontario, Canada
Posts: 2,472
I have gotten to the point where I rarely use the fractional drill bits. I picked up a complete set of numbered drill bits and using the chart mentioned above usually drill my holes a few thousandths of an inch wide. Then as I need to I can see which drill bits I use often and buy those in quantity. I have also lately switched to the stubby drill bits but based on Ray's comment will now try the Screw Machine size.

Stephen Vanderkolff
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Old 03-28-2014, 07:56 PM
bob levine bob levine is offline
Join Date: Mar 2008
Location: Tennessee
Posts: 78
Smile bit sizes

ive posted this before but for those that missed It

1/4= F

This gives you clearance for epoxy and will not split out scales.
Keep sharp Bob Levine Mentor, Knifemakers guild......Levine
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