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Slots in drill press base - what are they for?

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Forum topic by nickbatz posted 07-20-2019 01:23 AM 953 views 0 times favorited 23 replies Add to Favorites Watch
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nickbatz

259 posts in 528 days


07-20-2019 01:23 AM

Topic tags/keywords: drill press

Note that I’m talking about the slots in the base of my Craftsman floor standing one, not the ones in the table (which I know are for a vise).

For sure this is a silly question, but neither the Internet nor the manual knows the answer. :) There are holes for screwing it into the floor, but these are slots.

It’s a 113.213850 if that matters, but I think they all have those slots.

TIA


23 replies so far

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MrUnix

7434 posts in 2646 days


#1 posted 07-20-2019 01:34 AM

For the exact same reason there are slots in your drill press table – to attach stuff.

Cheers,
Brad

-- Brad in FL - In Dog I trust... everything else is questionable

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SMP

1302 posts in 353 days


#2 posted 07-20-2019 02:12 AM

They can also be used for a vise. I use those on mine quite often.

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nickbatz

259 posts in 528 days


#3 posted 07-20-2019 02:23 AM

Okay, thanks. That’s what I thought, but I’ve never seen a picture of that!

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bandit571

23394 posts in 3131 days


#4 posted 07-20-2019 02:26 AM

Also can be used to lag bolt the base to the floor…

-- A Planer? I'M the planer, this is what I use

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therealSteveN

3353 posts in 1021 days


#5 posted 07-20-2019 05:30 AM

Big honkin bolts (they call them expansion bolts) to hold those suckers tight to the floor. The most top heavy of the shop tools for woodworking, and seldom do you drill feathers on them. They can/do tip over.

-- Think safe, be safe

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LeeRoyMan

205 posts in 174 days


#6 posted 07-20-2019 02:16 PM

Why wouldn’t you just use the holes in the 4 corners to bolt it down?

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WhyMe

1169 posts in 2008 days


#7 posted 07-20-2019 02:32 PM



Why wouldn t you just use the holes in the 4 corners to bolt it down?

- LeeRoyMan

You do use the four corner holes for bolting down the drill press to the floor. The slotted holes are for the attachment of vises/jigs, etc. to the base plate. Sure, they can be used for holding down the drill press to the floor but that’s not the primary design reason for them.

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LeeRoyMan

205 posts in 174 days


#8 posted 07-20-2019 03:17 PM


Also can be used to lag bolt the base to the floor…

- bandit571

Why wouldn t you just use the holes in the 4 corners to bolt it down?

- LeeRoyMan

You do use the four corner holes for bolting down the drill press to the floor. The slotted holes are for the attachment of vises/jigs, etc. to the base plate. Sure, they can be used for holding down the drill press to the floor but that s not the primary design reason for them.

- WhyMe

Don’t tell me, I’m asking the people above me, saying to use the slots to bolt it down.
I understand you Could use them for that, but when you have holes, especially put there for attaching them, why would you use the slots?

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bandit571

23394 posts in 3131 days


#9 posted 07-20-2019 03:59 PM

Allows for adjustment of where the drill press is on the floor. Loosen the nuts a tad, slide the base as needed tighten back down.

-- A Planer? I'M the planer, this is what I use

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Delete

439 posts in 819 days


#10 posted 07-20-2019 04:26 PM

I’ll get in here, The slots are strictly for mounting vises, jigs, etc for working the ends of longer work, That is why it is machined to a closer finish, to give you an accurate mounting of accessories. If you use it to bolt to the floor, there is a good chance you will crack the base when you tighten them down and then apply side press to the drill press as you work. The holes at the corners are designed to bolt down to the floor that is why they are built up and close to the corners of the base casting, to give extra support against cracking.

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LeeRoyMan

205 posts in 174 days


#11 posted 07-20-2019 04:26 PM



Allows for adjustment of where the drill press is on the floor. Loosen the nuts a tad, slide the base as needed tighten back down.

- bandit571

Great idea,
You never know when you might need to move your drill press 3 or 4 inches.

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mudflap4869

1964 posts in 1906 days


#12 posted 07-20-2019 04:37 PM

NOT for bolting it to the floor. Used ONLY for accessory attachment.

-- Still trying to master kindling making

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LeeRoyMan

205 posts in 174 days


#13 posted 07-20-2019 06:30 PM



Allows for adjustment of where the drill press is on the floor. Loosen the nuts a tad, slide the base as needed tighten back down.

- bandit571

NOT for bolting it to the floor. Used ONLY for accessory attachment.

- mudflap4869


Sorry mudflap, but bandit has a good point!

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nickbatz

259 posts in 528 days


#14 posted 07-20-2019 07:14 PM

What accessory would I use to hold desk legs perfectly straight so I can drill 3/8” vertical pilot holes for 3-1/2 lag bolts? (They’re to attach the legs to a base.)

I just used my dowel jig to support a handheld drill, but this sounds like a more elegant way of doing it.

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Delete

439 posts in 819 days


#15 posted 07-20-2019 08:06 PM

Heres a quick off-the-top of my head idea, a little more thought could refine it further. Depending on your drill press you can usually drill the ends of a 24” piece between your table and drill point. If you can set up a center jig on the base you can add another 12 to 14” depending on your drill press. You can make the jig high enough to allow adjustment for the full 12” or so. A lathe center would work good for the jig center but there are lots of other options, even a nail would work. A small laser level would help to quickly center the jig center to the drill point. If your drill press has laser centering even better.

Edit: There are a couple of other options both would probably take longer to set up than the above idea mainly because you could leave the above idea set up pretty much permanently, just swing the table out of the way.

1st option if your drill press allows it, you can flip the table 90* and clamp the work to the table. Would require more set up time, every time.

2nd option if you do lots of other work with the drill press you might want an ultimate drill press table that has a built in option to do longer work. Try this one. Ultimate Drill Press Table

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