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square nut recess how

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Forum topic by Karda posted 08-01-2020 06:06 AM 333 views 0 times favorited 14 replies Add to Favorites Watch
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Karda

2348 posts in 1353 days


08-01-2020 06:06 AM

Hi, I need a new plane knob, But the screw is a square nut recessed in the top of the knob. You turn the knob to tighten it and the knob cracks. How do I make the mortise and when do i do in the turning sequence. thanks Mike


14 replies so far

View Lazyman's profile

Lazyman

5623 posts in 2187 days


#1 posted 08-01-2020 11:43 AM

I think that I would do it before you turn it. While the blank is square, you can more easily clamp in in a vise while you work on the the recess. Here is how I would do it.
  • With a Forstner bit, drill a hole the same diameter as the square nut a little deeper than the thickness of the nut
  • Drill the center hole for the bolt all the way through the block
  • Place the nut over the wide hole and thread the bolt into it from the bottom (use a washer on the bottom), making sure that the sides of nut are centered on the hole cut with the Forstner
  • Tighten the bolt just enough so that the nut compresses the grain. This is to mark the size of the square hole you need to cut
  • Mark the edges of the square with a knife and use a chisel to cut out the corners of the square.
  • Mount the blank on the lathe and shape as desired making sure that you don’t remove too much wood from the end so that the nuts will stay recessed.

-- Nathan, TX -- Hire the lazy man. He may not do as much work but that's because he will find a better way.

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John Smith

2501 posts in 962 days


#2 posted 08-01-2020 12:24 PM

this looks like an “aftermarket” alteration to me.
for whatever unknown reason, someone removed the factory screw
and hand cut the square hole with a pocket knife and chisel.
if it were mine, I would go back to the round factory screw and forget
trying to make a square hole.

.

-- there is no educational alternative to having a front row seat in the School of Hard Knocks. --

View Nubsnstubs's profile

Nubsnstubs

1727 posts in 2529 days


#3 posted 08-01-2020 03:05 PM

Mike, John is probably right. If that were a factory square hole, it would probably be painted and not raw wood like you are showing us…........ Jerry (in Tucson)

-- Jerry (in Tucson) www.woodturnerstools.com

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bigJohninvegas

788 posts in 2261 days


#4 posted 08-01-2020 05:15 PM

Karda, I think everyone is right here. Nathan is right on with how I would make the square hole too.
But as John pointed out. It was most likely a round fastener from the factory.
What brand and model hand plane is it?
The little brass nut on a Stanley plane is pretty common, and cheap.

-- John

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Karda

2348 posts in 1353 days


#5 posted 08-01-2020 05:31 PM

I checked ebay and my knob is aftermarket piece. I think i’ll stick with my broom stick. To get a knob or even the proper nut would cost more than I paid for the plane. One guy has a nut reasonable then 5.15 for a part that weighs maybe 10grams. My plane is a MF814 it a V line plane so not that good to begin with

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Karda

2348 posts in 1353 days


#6 posted 08-01-2020 05:40 PM

thanks John I check my Stanley and see if it fits

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Karda

2348 posts in 1353 days


#7 posted 08-01-2020 06:18 PM

I checked the nut on my Stanley thanks #5 and it fit like it was made for it, thanks

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bigJohninvegas

788 posts in 2261 days


#8 posted 08-01-2020 06:28 PM

You can turn a new knob. And now that you know the Stanley part fits. Yard sale junk planes are everywhere. Most of my planes have a part or two from others. Frankenstein plane. Lol.
Good luck.

-- John

View SMP's profile

SMP

2233 posts in 705 days


#9 posted 08-01-2020 10:22 PM


You can turn a new knob. And now that you know the Stanley part fits. Yard sale junk planes are everywhere. Most of my planes have a part or two from others. Frankenstein plane. Lol.
Good luck.

- bigJohninvegas

Yep, from buying various “parts” planes from CL and antique stores to put together planes, I have a drawer of various parts now.

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Karda

2348 posts in 1353 days


#10 posted 08-01-2020 11:22 PM

I seldom see planes on my craigs list, the only planes I know of are so rusty you can’t tell the brand and i don’t know planes well so I can’t tell by looks alone. I know there is a dunlop a handyman and a wards or ward master not sure and they are priced to high. iam going to have a look though

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therealSteveN

5901 posts in 1373 days


#11 posted 08-02-2020 04:40 AM

Ahhhhhhggg so this is how Frankenplanes were invented…..

Everyone who has more than 5 hand planes probably has a little parts box. Get 5 or 6 people like that together, you might end up with 20 new, but old, planes happening.

-- Think safe, be safe

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Karda

2348 posts in 1353 days


#12 posted 08-03-2020 01:57 AM

I just saw a nut and rod foe a stanley #7 knob will that nut fit a #5

View corelz125's profile

corelz125

1394 posts in 1775 days


#13 posted 08-03-2020 02:07 AM

I have had some Stanley parts not fit Miller’s Falls parts. I’m not sure what types work. Kenny might know more about it.

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Karda

2348 posts in 1353 days


#14 posted 08-03-2020 05:04 AM

I have A Stanley #3 and a #5 and the nuts fit the MF knob rod, I was wondering if the #7 nut would fit as well

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