Mortising attachment for a delta 17-950l drill press?

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Forum topic by derosa posted 09-07-2010 05:09 AM 2949 views 0 times favorited 5 replies Add to Favorites Watch
View derosa's profile


1572 posts in 2800 days

09-07-2010 05:09 AM

I bought the delta 17-924 mortising kit for my delta 17-950l drill press, once I got it home and everything unpacked I discovered my drill press isn’t listed in the instructions.
The kit comes with three collars that are designed to allow the yoke to attach to the quill above the stop collar, on mine the quill is too big but the yoke seems to exactly fit the stop collar, should I simply use this instead or is there another set of collars somewhere that will let me use this kit? A search of Delta’s website didn’t have any results for any kind of kit fitting to my DP but I can’t believe there isn’t something.

Anyone else dealt with this?

-- --Rev. Russ in NY-- A posse ad esse

5 replies so far

View lew's profile


12017 posts in 3719 days

#1 posted 09-07-2010 05:13 AM

I think you can attach the yoke directly to the quill. My impression is that the collars are there for adapting to other sizes of quills.

My drill had a metric measurement. Had to get the collar specially made at a machine shop.

-- Lew- Time traveler. Purveyor of the Universe's finest custom rolling pins.

View mxrdrver's profile


38 posts in 2626 days

#2 posted 02-25-2011 05:00 AM

I had to do the same thing. I have a Jet 15” bench drill press I bought last year. Fine Woodworking rated it tops in their 2009 Tool Review issue. Then recently I needed to make a bunch of mortises for a bed frame I’m building. I ordered the Jet mortising attachment because I don’t have the space for a dedicated mortiser. When it arrived, found out the yoke didn’t fit my quill. Called Jet and they told me to have a spacer made at a machine shop. I drew up plans for the collars on SketchUp and took it down to a local machine shop. They just called me yesterday and told me they’re ready. Total bill….....$95.00!!! Wow. That’s more than the mortising attachment cost me. I’ll drive to town tomorrow and pick them up.

View thiel's profile


387 posts in 3256 days

#3 posted 02-25-2011 05:14 AM

I would attach it directly.

Good luck with the kit. I had one and absolutely hated it!

-- Laziness minus Apathy equals Efficiency

View Howie's profile


2656 posts in 2887 days

#4 posted 02-25-2011 02:40 PM

I had the same problem with my Ridgid DP . I found a quill(60mm) to fit it at Grizzly for 30 bucks. My bits were 5/8 and it was 3/4. Down to Tractor Supply for a 3/4×5/8 brass bushing..problem solved. Works good.

-- Life is good.

View teejk's profile


1215 posts in 2648 days

#5 posted 02-25-2011 05:58 PM

you sure you don’t have the room for a dedicated mortiser? They have a very small footprint. I had the drill press version once and found set-up was a pain and everytime I got it set-up I seemed to need the drill press! plus I wasn’t happy with the results…there seemed to be a lot more flex in the column than one would think.

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