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WTB: Gil Hebard Scope Mount Knob - My Solution

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chopper
bruce martindale
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WTB: Gil Hebard Scope Mount Knob - My Solution Empty WTB: Gil Hebard Scope Mount Knob - My Solution

Post by spursnguns Sun Oct 30, 2022 8:59 am

Hello,

I am looking to purchase just the knob for my Gil Hebard scope mount.  The one I have is (getting) stripped.  What I need is just like this....

WTB: Gil Hebard Scope Mount Knob - My Solution Mount_11
WTB: Gil Hebard Scope Mount Knob - My Solution Mount_10

Thank you.

Jim


Last edited by spursnguns on Fri Nov 25, 2022 8:39 am; edited 1 time in total
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Post by messenger Sun Oct 30, 2022 9:26 am

I could use one as well.

Bill
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Post by NukeMMC Sun Oct 30, 2022 11:28 am

Try McMaster-Carr.com. look up 91185A801. Should be close.
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Post by spursnguns Sun Oct 30, 2022 12:06 pm

Hello NukeMMC,

The bug in the ointment is that little collar (look close....1/2" x 3/16").  Otherwise it is just a standard 3/8" fine threaded machine screw.

Jim
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Post by NukeMMC Sun Oct 30, 2022 2:16 pm

Super glue 2 washers to the knob:
91090A105
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Post by Bren Mon Oct 31, 2022 2:08 pm

There are loads of similar ones with the right size thread on eBay. Same place I got the replacement feet for my Strong case gun box.

I bought a bag of them about a month ago. I bought 1/4"-20 x 3/8" thumb screws. They work just fine. You can probably get the same at most hardware stores.
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Post by messenger Mon Oct 31, 2022 2:27 pm

Bren wrote:There are loads of similar ones with the right size thread on eBay. Same place I got the replacement feet for my Strong case gun box.

I bought a bag of them about a month ago. I bought 1/4"-20 x 3/8" thumb screws. They work just fine. You can probably get the same at most hardware stores.

Do you have the link?

Bill
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Post by bruce martindale Mon Oct 31, 2022 5:01 pm

What's stripped? The knob or the screw?

If it's a knob, maybe Andrew Berryhill could print one?

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Post by chopper Mon Oct 31, 2022 7:19 pm

You can buy one of those knobs at most big box stores in their hardware section.
 Stan

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Post by Jack H Mon Oct 31, 2022 9:08 pm

Make one.
Shape the handle disc part from 1/4" aluminum.
Countersink a machine screw in the center.
Make a nut to fit the other side to be the shoulder part.
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Post by GME Mon Oct 31, 2022 10:26 pm

If you are looking for just the bolt part, what you need is called a hex head shoulder bolt.  McMaster-Carr has them, but not in 3/8 x 24 TPI (fine thread).  All of theirs are 3/8" x 16 TPI (course thread).  Maybe someone on the internet carries the fine thread, but I've never seen one.  I question whether you would find one in a box store, but maybe a well-supplied hardware store would yield something.  Look in the cabinets with the compartmentalized drawers, or small pull out compartmentalized boxes.  That's where the stores I frequent have specialty hardware.  However, if McMaster doesn't have the fine thread bolts, it's a good bet no one else is likely to have one.

Jim, are you sure the bolt has fine threads?

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Post by Jack H Tue Nov 01, 2022 12:30 am

Jack H wrote:Make one.
Shape the handle disc part from 1/4" aluminum.
Countersink a machine screw in the center.
Make a nut to fit the other side to be the shoulder part.

Make the handle disc maybe 3/8 thick.   Cut a piece of correct thread bolt like piece of all thread.  Tap the disc and loctite the all thread in.  Make the shoulder out of a piece of HMDS plastic.  HDMW ???? I forget.  Been over 6 years since I worked with this stuff.  Maybe a truss head or counter sunk screw will still be easier

Some time the Hebard reversed the bracket to base screw from male-female to female-male.  I have one of each
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Post by RustyJoints Tue Nov 01, 2022 2:52 am

[th][/th][th][/th][th]
Head
[/th][th]
Hub
[/th][th][/th][th][/th][th]
Each
[/th][th]Style 1—Knurled Grip[/th][th]Black-Oxide Steel[/th][th][/th]
Thread
Size
WTB: Gil Hebard Scope Mount Knob - My Solution Industrial-information-icon
Stud
Lg.
Dia.Ht.Dia.Ht.Stud Material 1-910-Up
3/8"-24
WTB: Gil Hebard Scope Mount Knob - My Solution Industrial-information-icon
3/4"2"3/8"1"3/4"Steel6079K34$9.41$8.44


the above from McMaster-Carr online catalog.
Hub is different but should work
Sorry the cut and paste didn't work exactly right.


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Post by spursnguns Tue Nov 01, 2022 7:50 am

Thank you all for the great suggestions.

I think I found what I need at Master-Carr.  I will post what I end up with.

Jim
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Post by GME Tue Nov 01, 2022 8:47 am

Jack

It's UHMW (Ultra High Molecular Weight) polyethylene.

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Post by spursnguns Fri Nov 25, 2022 8:49 am

Hello,

Over the past couple of weeks, I was able to find a replacement knob....it was stripped worse than my original one.

So, I went to plan "B"....

McMaster-Carr Part No. 97832A127
18-8 stainless steel shoulder screw
1/2" shoulder diameter
1/4" shoulder length
3/8"-24 thread size

and

1/2" stainless steel washer that I had laying around

The final result....
WTB: Gil Hebard Scope Mount Knob - My Solution Mount_12
WTB: Gil Hebard Scope Mount Knob - My Solution Mount_13

It seems to be working.

Many thanks to all that responded.

Jim
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Post by messenger Yesterday at 11:43 am

Red Feather Outfitters sells them. I just ordered one.

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Post by Dan Webb Today at 7:52 am

messenger wrote:Red Feather Outfitters sells them. I just ordered one.

Bill
https://www.redfeatheroutfitters.com/scope-mount-knob-bolt-for-scope-attachment.html

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