[Shop-talk] angle grinder spindle adapter

Thu Jul 30 18:15:44 MDT 2020

my herd

----- Original Message -----
From: Mark Andy <marka at maracing.com>
To: john niolon <jniolon at att.net>
Cc: shop-talk <shop-talk at autox.team.net>
Sent: 7/30/2020 5:47:49 PM
Subject: Re: [Shop-talk] angle grinder spindle adapter

Howdy,

The thing I linked was a thread repair insert, IIRC.

I looked up the minor diameter for 5/8-11 thread and you only have a couple 
hundreths over 
1/2"... Probably why you won't find an adapter.

Honestly, you can never have too many 4.5" 
angle grinders... 
I'd just dedicate this one to non-thread on stuff and buy another one with a 5/8-11 spindle.  :)

Mark

On Thu, Jul 30, 2020 at 5:12 PM john niolon <jniolon at att.net> wrote:

Hi Mark,   I found the same on Amazon but the internal threads are 1/2-20 and I need 1/2-13 so that won't 
work... although the thing on msc site
might do the trick... I wonder if 
it's considered a one time on/off adapter, or would it take multiple on/off cycles on the external 5/8" thread ??  
don't 
know what the red material on the adapter is..  
I'll bookmark that page

I contacted a local tool repair place (Toolsmith)  explained my problem and he found a 6148 spindle (like mine) and he offered to try it in the
6145 grinder if I brought it by to see if it would fit...  he cautioned that the gear drive might be larger for the larger spindle though.  I'm 
gonna go by
there next week and see what happens

Worst case is that I use the small spindle grinder for disk that are not 
threaded and use the spindle nut reversed to take up the slack in a 5/8 hole 
disc
and use the grinder with the 5/8 spindle for the threaded stuff...   It would 
be nice if everything worked in everything, but that has never happened in my 
73 years 
(tomorrow)  on this earth, why should it happen now ???

2020  sheese…  I think I hear thunder... but based on this year... it could be 
Godzilla !!!!!

john

----- Original Message -----
From: Mark Andy <marka at maracing.com>
To: john niolon <jniolon at att.net>
Cc: John Miller <jem at milleredp.com>, shop-talk <shop-talk at autox.team.net>
Sent: 7/30/2020 3:30:00 PM
Subject: Re: [Shop-talk] angle grinder spindle adapter

Howdy, 

Something like this maybe?

https://www.amazon.com/IVY-Classic-28112-Adaptor-
Adapts/dp/B0052IP99C/ref=pd_lpo_263_t_0/141-5120391-
8035615?_encoding=UTF8&pd_rd_i=B0052IP99C&pd_rd_r=9da3ea3d-acde-4e6f-94a6-
13d94c9c6a32&pd_rd_w=pjbPb&pd_rd_wg=SQws5&pf_rd_p=7b36d496-f366-4631-94d3-
61b87b52511b&pf_rd_r=TBP2C4EEVYMJJ48G1QHT&psc=1&refRID=TBP2C4EEVYMJJ48G1QHT 

I'm not sure what thread pitch a 5/8" grinder spindle uses. 

There's not a 
lot of wall thickness for a 5/8" to 1/2" adapter.  
Wouldn't surprise me if regular / coarse pitch stuff wouldn't have enough wall 
thickness for an adapter to work?

It does look like 
there' some type of thread repair thing for those pitches though:

https://www.mscdirect.com/product/details/05864434 

Mark 

Mark 

On Thu, Jul 30, 2020 at 4:18 PM john niolon <jniolon at att.net> wrote:

grinder does have a spindle nut that can be reversed to hold the larger wheel...  but the majority of
my 5/8" accessories are threaded

j

----- Original Message -----
From: John Miller <jem at milleredp.com>
To: <shop-talk at autox.team.net>
Sent: 7/30/2020 11:05:07 AM
Subject: Re: [Shop-talk] angle grinder spindle adapter
________________________________________________________________________________

> I want to do just the opposite.  I want to 'convert' the grinder with the smaller
> spindle to 5/8 so I can use my disc in it.  I keep several grinders ready.  One
> with a cutoff wheel, one with grinding rock and one with a flap disk.. and one with a wire]
> wheel...  saves time switching out media...

Doesn't 
the grinder already have a...uh...uh...thing that if you flip it 
over 
it's got a 5/8in boss on it to center the wheel?

I have never encountered an angle grinder that didn't 
have a centering 
thing for a 5/8in wheel no matter the shaft size.

John.
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