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Forum topic by tdallen47 posted 04-20-2015 05:16 PM 692 views 0 times favorited 9 replies Add to Favorites Watch
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tdallen47

8 posts in 652 days


04-20-2015 05:16 PM

does anyone have an idea what HP I should buy, I need to buy in a table or floor model drill press , that will drill lets say 3’’ hole max. size, I only want to buy what is actually needed no larger, your input will be a help, thanks


9 replies so far

View rwe2156's profile

rwe2156

2198 posts in 946 days


#1 posted 04-20-2015 05:29 PM

3/4 ought to do it. You change the speed and go easy.

-- Everything is a prototype thats why its one of a kind!!

View BinghamtonEd's profile

BinghamtonEd

2281 posts in 1835 days


#2 posted 04-20-2015 05:39 PM

How many holes do you have to drill? I just finished helping a neighbor do a project that required drilling something like 30 holes, 3 1/8”, through two sheets of 1/2” ply. We used a corded DeWalt drill.

-- - The mightiest oak in the forest is just a little nut that held its ground.

View BurlyBob's profile

BurlyBob

3694 posts in 1731 days


#3 posted 04-20-2015 05:48 PM

I’m trying to talk the wife into that Porter cable floor model. Looks and sounds like a good deal and $320.

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BinghamtonEd

2281 posts in 1835 days


#4 posted 04-20-2015 05:50 PM

Burly, I have that model. I’ve been very happy with it. I use it mostly for roughing out mortises, but have used it with a drum sanding attachment as well. Combine it with the 10% Lowes coupon, and if you’re a Veteran, that discount as well.

-- - The mightiest oak in the forest is just a little nut that held its ground.

View bigblockyeti's profile

bigblockyeti

3668 posts in 1186 days


#5 posted 04-20-2015 06:24 PM

The 3” hole can be accomplished in 4 hours or 0.4 seconds depending on what you’re drilling, how thick it is, what kind of cutting tool you’re using & how sharp it is. It’s kind of like asking what truck you need with the only criteria being that it has to be able to go the speed limit. For the sake of simplicity a 3/4 hp should serve you well.

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DIYaholic

19179 posts in 2140 days


#6 posted 04-20-2015 09:49 PM

My 3/4HP Delta floor model DP handles 3” fostner bits with ease, in oak and hard maple….

-- Randy-- I may not be good...but I am slow! If good things come to those who wait.... Why is procrastination a bad thing?

View bbasiaga's profile

bbasiaga

757 posts in 1461 days


#7 posted 04-20-2015 10:03 PM

I have the Craftsman floor standing. The smaller of the two. The nicer thing about these floor standing ones is that they usually have more choices for setting the speed. Higher highs, and lower lows. That makes it great for drilling all kinds of materials. The bench top ones are very servicable too though, if you can live with the shorter swing. I used a $50 HF drill press for tons of stuff. Best value tool for the dollar I ever had. But I couldn’t use it for bookshelves and stuff because of the smaller swing. Finally wore it out and had to upgrade. And since I had it on a tool stand, going to the floor standing model didn’t take up any more floor space.

-Brian

-- Part of engineering is to know when to put your calculator down and pick up your tools.

View runswithscissors's profile

runswithscissors

2189 posts in 1491 days


#8 posted 04-22-2015 04:01 AM

For drilling wood, I’d consider Grizzly’s radial drill press or the equivalent. Gives you great capacity, and for wood I don’t think you would need the rigidity that you need for drilling metal.

-- I admit to being an adrenaline junky; fortunately, I'm very easily frightened

View Picken5's profile

Picken5

224 posts in 2157 days


#9 posted 04-22-2015 05:06 AM

Also depends on how precise you want the hole. A 3” hole saw isn’t terribly precise, but chucked into a battery drill and going slowly, it’ll make a serviceable hole—and pretty close to the 3” in diameter also. I drilled three or four 2-3/4” holes in 1-3/4” solid-cores without having to change the battery. But you’ve got to hold the drill pretty straight. If you need more precision, you’ll probably want to use a forstner bit in a drill press. As others have said, 3/4” HP should be plenty, but it’s hard to find a drill press that will drill slow enough to keep the bit from heating up if your material is very thick and/or hard. (A good forstner bit can be ruined quickly if it gets overheated.) You may have to stop frequently to keep heat under control. Good luck.

-- Howard - "Time spent making sawdust is not deducted from one's lifetime." - old Scottish proverb

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