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Discussion Starter · #1 ·
Should I use 3/8 bolts to fasten the drill press? Is 2 enough or should there be 4? Should I put 2 or 3 brace in the back to keep from racking?
Should I use carriage bolts?
 

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Rick
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Four bolts- little bit good, whole lot better as my grandfather would say. I made my DP/BS table out of 2x4s and a laminate sink cut out. Let's see some photos of the finished cabinet.
 

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Gary; this has come up in the past; the DP on top of a narrow cabinet is inherently unstable, especially if it's on castors. You need a fairly wide footprint to avoid the possibility of the DP falling over. A lot of weight low down in the cabinet helps as well. Being bolted to the cabinet gives a false sense of security, if it has a narrow base.
 

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Gary; this has come up in the past; the DP on top of a narrow cabinet is inherently unstable, especially if it's on castors. You need a fairly wide footprint to avoid the possibility of the DP falling over. A lot of weight low down in the cabinet helps as well. Being bolted to the cabinet gives a false sense of security, if it has a narrow base.
I can attest to my set up. I drilled all of my cabinet door hinge pockets without issue. That included some tall doors. I think the HF castors, which are outboard of the cabinet, helped steady the entire cabinet/drill press.
 

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Re Mike's experience; There must be a recognized formula for establishing a safe base width? I think ( without going and checking*) mine is 2X the DP table width(?), with the castors at the outer edges.

* It's poring rain so nope, nope, nope...
 

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Re Mike's experience; There must be a recognized formula for establishing a safe base width? I think ( without going and checking*) mine is 2X the DP table width(?), with the castors at the outer edges.

* It's poring rain so nope, nope, nope...
Yep. Mine is probably about the same if you measure the original table that came with the drill press. It is about 10x12 inches. My shop built table is wider, and deeper. The cabinet is 18 inches wide with the casters sitting 4 inches outboard on all four corners.
 

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Re Mike's experience; There must be a recognized formula for establishing a safe base width? I think ( without going and checking*) mine is 2X the DP table width(?), with the castors at the outer edges.

* It's poring rain so nope, nope, nope...
The manual may have that info. My delta manual, iirc, has a diagram showing several options for attaching it to a base including measurements and some words about ensuring stability.
 

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What width does your Delta manual recommend, Phil?
I forgot to mention earlier that my DP is a floor mount and it sits on a castored wood base...no actual cabinet.
I'm not sure where the manual is but from memory I think it said, to increase stability, bolt the DP to a board that was 2X the base. Mine is a floor mount, too.
 

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Discussion Starter · #15 · (Edited)
To damp and cold to work on to finish . Cabinet is roughly 19" X 25" Going to have a drawer 6 1/2" x 14" x 22 3/8" with my compressor under the drawer.. Sides are 3/4 pine handy panels glued up. The top and bottom connecting frames are made of 2"x 2" pine covered with 1/2 mdf on the bottom and same handy panel pine on top. The top frame will have a 2 "x10" in the center under where the drill press will mount. I am going to use 3/8 carriage bolts probably 3 1/2 long they will have to countersunk into the 2"x 10" by 1/2 inch. I'm think about put a handle on short side of the cabinet since its so top heavy. There will be three 1x4 for bracing across the back and 1/4 plywood back.
 
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