[Shop-talk] Specialty bolts (now see photos)

[Doug Armstrong]

I think the proper description, or closest would be "square head plow bolt"
as shown in this photo:

http://file.seekpart.com/productsimage/2012/7/17/201271710421319835.jpg

As for a source, I'm not sure.  I found a couple of discussions about them
being used on old Oliver plows.  Maybe someone into farm equipment
restoration knows of a source?

http://olivergang.org/discus/messages/963/1153.html?1104199506

Doug Armstrong


-----Original Message-----
From: shop-talk-bounces at autox.team.net
[mailto:shop-talk-bounces at autox.team.net] On Behalf Of Steve Hammatt, Mount
Vernon WA USA
Sent: Monday, April 15, 2013 1:59 PM
To: Shop Talk
Subject: Re: [Shop-talk] Specialty bolts (now see photos)

OK, this will make it easier:
http://www.flickr.com/photos/97934425@N00/
go here to see some photos of what Ibm trying to describe.
Thanks.

Steve Hammatt
Mount Vernon WA USA

From: Steve Hammatt, Mount Vernon WA USA
Sent: Monday, April 15, 2013 10:33 AM
To: Shop Talk
Subject: Re: [Shop-talk] Specialty bolts

I should clarify:  This is not a carriage bolt.  When looking in
the plan (downward) view, the head appears square.  In other
words, the slightly domed head surface meets the sides to
form a square shape that nests into the tapered square hole
in the casting.  The tapered sides appear to be around
30 degrees from vertical.

Steve Hammatt
Mount Vernon WA USA

From: Steve Hammatt, Mount Vernon WA USA
Sent: Monday, April 15, 2013 10:11 AM
To: Shop Talk
Subject: [Shop-talk] Specialty bolts
Ibm looking (so far without success) for a type of bolt that:
1.  slight convex head
2.  underside of head has 4 facets (sides) that taper inward.
The bolt is designed to fit into a small casting with a matching
4-sided tapered hole to lock bolt from rotating while being
tightened.

Anyone ever seen anything like this?

Steve Hammatt
Mount Vernon WA USA
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