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-   -   Let's talk Drill Bits (http://www.peachparts.com/shopforum/off-topic-discussion/195772-lets-talk-drill-bits.html)

Medmech 07-31-2007 04:11 PM
Quote:
Originally Posted by Webmaster (Post 1578974)
I'm not Tim the Tool Man :D
Mostly decks, fences, mail boxes and odd jobs around my house or relative's houses.

I'd rather spend a little more to get quality when it comes to tools but, I don't need to drill into hardened tool steel either.
That Ryobi kit should do the job. When I was a daily tool user and had not buy kits/tools because they were left in a another car or truck I never went wrong with midgrade drills and bits except when I had to drill hardened metal.

but tool opinions are like A-holes everybody has one, this may seem god awful stupid but personally when it comes to drill bits (expendable item) the carrying case/variety is what I'm intrested in. The Mil case sucks, its made for workbenches or something.

peragro 07-31-2007 05:44 PM
I've been using mostly CAB (cheap a$$ bits) for run of the mill applications. I do have the more expensive bits for finer jobs, usually in furniture. I got a set of the Ryobi bits and driver heads as well. I found the steel very soft and stripped out several of the phillips heads. I like the Ryobi One system of tools, I've been using those for a year or so and they've always done the job while being cheaper than other brands. I don't find the cab's a problem as long as they're sharp. You can either sharpen them on a grinding wheel or get a drill doctor or something comperable. I found a drill dr. at sears marked down quite a bit so I bought it. It's easy to use and gives you a sharp edge that makes a good deal of difference than using a dull bit. So, basically, the moral of the story is keep 'em sharp, regardless of which you decide to use. Oh, and probably stay away from drilling steel with the cheapy wood bits; it doesn't make for a happy hole or drill bit...

tankdriver 07-31-2007 11:05 PM
Quote:
Originally Posted by Zeus (Post 1578826)
Bill - my experience in renovations and construction has been that I only buy expensive bits for special projects. I bought a Ryobi case from Home Depot that was on sale for $40 or so. It is a nice folding case and contains a generic assortment of every drill bit imaginable. Wood bits, steel, masonry and hole saw bits.

For wood and general construction, these bits are fine. They're cheap and there are multiple copies of each for when they will break, which always happens, even with expensive bits. Sometimes with expensive bits, they last longer so you get used to them. And then they break when you don't have a replacement handy. :rolleyes: :D Unless you are doing fine cabinetry or finishing work, the more premium bits aren't worth it, IMO.

If you are drilling something special, like a piece of steel or doing some masonry drilling for something like tapcons - that is where I will spend the extra money. Same with hole saws. If you have a lot of doors to work on, or holes to make in decking, I'd buy a good name brand bit, Milwaukee, Dewalt, etc. are all decent.
What he said.
Also, though expensive, the bit sharpeners are worth thinking about. I just don't like the idea of spending premium bucks on a wear item. Sharpen 'em or get new reasonably priced ones.

kmaysob 07-31-2007 11:42 PM
i have a set of craftsman cobalt bits. very nice had em since i was 16. if i remember right they were 100 doll hairs

cmac2012 08-03-2007 04:09 PM
The cobalts are nice, a bit spendy but they do last longer. The pilot point bits are nice for steel but they tend to go dull faster than others IME. A big difference to look for is split point vs. standard. The split points will wander much less on steel than standard bits but the standard will stay sharp longer and are about the same effectiveness in wood. I have an old thread on bits (the bit sharpening tool) where I described the difference.

I really like 6" bits. I use a lot of 3 and 4 inch screws and I don't like ruining the head of the screw drilling into old fir or some other ornery wood due to inadequate pilot hole.

If you really want to go nuts, you can get bits at a real discount at Pan American Tool (online, in Florida). The longer ones are a serious bargain with them. You have to buy quantities and there's a mimimum of $50 or more, I forget exactly.

cmac2012 08-03-2007 04:11 PM
Quote:
Originally Posted by tankdriver (Post 1579304)
What he said.
Also, though expensive, the bit sharpeners are worth thinking about. I just don't like the idea of spending premium bucks on a wear item. Sharpen 'em or get new reasonably priced ones.
I've got one of the drill doctor sharpeners and they work very nicely. Larger bits, 3/8ths and up and the longer ones start to get spendy and you can make back your investment in a hurry if you use a lot of those.

Monomer 08-03-2007 05:39 PM
Quote:
Originally Posted by cmac2012 (Post 1581813)
I've got one of the drill doctor sharpeners and they work very nicely. Larger bits, 3/8ths and up and the longer ones start to get spendy and you can make back your investment in a hurry if you use a lot of those.
It's not needed.

any bit can be sharpened on a regular bench grinder, with very little practice (and a drill gauge)


A drill index with HSS drills is a must for any machinist.

omegabenz 08-03-2007 05:49 PM
go to your local machine shop supply place or airgas (rutland/washington tool), and buy yourself a drill index with drill bits for 100-150 dollars, and then I like that recommendation of buying multiples of the small sizes.

I got my drill bits (molybdenum from champion, black and gold from toledo/cleveland twist drill are very good) at my local machine shop supply, which has you know thousands of each size. Bought a drill index box made by huot and then filled it up.

I am a machinist/chemist, and those are my recommendations for wood/aluminum/brackets of steel.

Monomer 08-03-2007 08:28 PM
Quote:
Originally Posted by omegabenz (Post 1581885)

I am a machinist/chemist, and those are my recommendations for wood/aluminum/brackets of steel.

The point of wood bits can be upto 132 degrees.


metal bits wont go past 118. A good set of brad points is also a must for woodworking - they wont ruin the surface finish

omegabenz 08-03-2007 08:31 PM
Quote:
Originally Posted by Monomer (Post 1582014)
The point of wood bits can be upto 132 degrees.


metal bits wont go past 118. A good set of brad points is also a must for woodworking - they wont ruin the surface finish
I use 135 degree split point exclusively for metal...Why do you say that?

Monomer 08-03-2007 08:42 PM
Quote:
Originally Posted by omegabenz (Post 1582017)
I use 135 degree split point exclusively for metal...Why do you say that?
112-118 is most popular.


starts easier (ever see those fancy - no spotdrill - drills?)



oh - spot drills/ Center drills are also handy.

cmac2012 08-04-2007 07:09 AM
Quote:
Originally Posted by Monomer (Post 1581878)
It's not needed.

any bit can be sharpened on a regular bench grinder, with very little practice (and a drill gauge)


A drill index with HSS drills is a must for any machinist.
Big ones perhaps but I doubt it will be as good a job as this device can produce. Also, it can do split points which would be impossible with a bench grinder.

peragro 08-06-2007 12:02 AM
Quote:
Originally Posted by Monomer (Post 1581878)
It's not needed.

any bit can be sharpened on a regular bench grinder, with very little practice (and a drill gauge)


A drill index with HSS drills is a must for any machinist.
That's true, but the drill doctor makes it oh so easy... 1, 2, 3. and I don't screw up a bit when I have to tell the kids to keep out of _________ in the middle of sharpening a bit.

Monomer 08-06-2007 10:34 PM
Quote:
Originally Posted by cmac2012 (Post 1582409)
Big ones perhaps but I doubt it will be as good a job as this device can produce. Also, it can do split points which would be impossible with a bench grinder.
It's a lot simpler that you think.



cheaper (in the long run)


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