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#949168 - Sun Jun 09 2013 11:37 AM Re: Clutch head screws/bolts replacement [Re: oldgreen51]
johntsmith Offline
Shop Shark
Registered: Fri Sep 24 2010 03:39 PM
Posts: 782
Loc: Tampa Bay FL
We have a firm rule - clutch heads are only turned one way - counterclockwise......
_________________________
My Fleet:
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John

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#949397 - Mon Jun 10 2013 01:45 PM Re: Clutch head screws/bolts replacement [Re: oldgreen51]
52Carl Offline
Shop Shark
Registered: Mon Mar 15 2010 10:27 PM
Posts: 2652
Loc: Virginia
For me, I have a thing for clutch head screws! I don't care if they might be inferior or a pain sometimes. They are unique and iconic to these old vehicles. I am always looking for places to use them where they don't belong, like inner fender-to-fender, bed front-to-bedsides, top radiator pan. They're just TOO COOL! My early 49 AD has them to hold on the VIN plate. They are real small and possibly original, as the screws are much smaller than the holes for the rivets that I'm used to seeing used to attach VIN plates.
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#949470 - Mon Jun 10 2013 05:29 PM Re: Clutch head screws/bolts replacement [Re: oldgreen51]
tclederman Offline
Registered: Tue Sep 18 2001 12:00 PM
Posts: 20817
Loc: Castleton-on-Hudson, NY

There is nothing inferior about clutch-head screws. They have superior torque/grab characteristics over slotted-head and Phillips-head screws.

People either do not have the correct drivers, or they have the mistaken notion that removing rusted clutch-head screws is more difficult than removing rusted slotted/Phillips screws. Removing any rusted screw is difficult.

Carl, you might be interested in this Jim Carter article on clutch head screws on ID plates through 1950.
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#949525 - Tue Jun 11 2013 12:12 AM Re: Clutch head screws/bolts replacement [Re: oldgreen51]
Truckrolet Offline
Shop Shark
Registered: Sun Feb 06 2011 04:38 AM
Posts: 1036
Loc: Wa
Where to get the screws?
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#949589 - Tue Jun 11 2013 07:23 AM Re: Clutch head screws/bolts replacement [Re: Truckrolet]
CASO Offline
Shop Shark
Registered: Fri Jun 10 2011 10:16 PM
Posts: 1646
Loc: Warrenton, Oregon
Originally Posted By Truckrolet
Where to get the screws?

McMaster Carr or Fastenal have them but make sure you order the right kind. There are 2 types of Clutch head screws...
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#949764 - Tue Jun 11 2013 06:53 PM Re: Clutch head screws/bolts replacement [Re: oldgreen51]
Rich'sToys Offline
Shop Shark
Registered: Wed Jul 28 2004 12:00 PM
Posts: 2803
Loc: Janesville, Mn
I actually looked on McMaster and couldn't find anything. This surprised me, as they have EVERYTHING! I found the bits, but no screws. If they're there I missed them somehow.
_________________________
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'47 Loadmaster


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#949770 - Tue Jun 11 2013 07:09 PM Re: Clutch head screws/bolts replacement [Re: oldgreen51]
tclederman Offline
Registered: Tue Sep 18 2001 12:00 PM
Posts: 20817
Loc: Castleton-on-Hudson, NY

As Grigg pointed out a while ago, McMaster-Carr has the bits at reasonable prices.

I do not see clutch-head bolts/screws (either type) in the McMaster-Carr or Fastenal catalogs. Maybe CASO will tell us how to search for them?

Truckolet,
- Did you look at the sources at the link that Lonnie posted, above?
- Did you check out the Restoration Specialties catalog? Page 182?
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#949824 - Wed Jun 12 2013 05:12 AM Re: Clutch head screws/bolts replacement [Re: oldgreen51]
CASO Offline
Shop Shark
Registered: Fri Jun 10 2011 10:16 PM
Posts: 1646
Loc: Warrenton, Oregon
I guess I was thinking bits... so I did a glook up and heres a few Clutch head screws :search
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#949888 - Wed Jun 12 2013 10:02 AM Re: Clutch head screws/bolts replacement [Re: Lightholder's Dad]
simplex Offline
Wrench Fetcher
Registered: Fri Nov 23 2012 07:50 AM
Posts: 72
Loc: N LA county
Originally Posted By Lightholder's Dad
Oldgreen51,
I kind of like the clutch head screws and bolts, after completely disassembling and reassembling an entire truck ('50 COE). I much prefer them over slotted or phillips heads. To work with these fasteners you need the proper drivers or bits and before you attempt to mess with an old clutch head fastener, you need to clean out the hole. The sides of the hour-glass shaped hole are straight, so to get the driver in there all the way, you need to clean it out with a sharp awl or other tool. Get all that rust, grease and dirt out first. If done properly, you will either remove the fastener or snap the head off the fastener, before it slips out. What more could you ask?

If originality is not important then use whatever is handy. I would go with a torx, square hole or other straight sided fastener before I would use a slotted head screw or bolt. I was trying to retain an original appearance to my truck so I bead blasted and reused all the fasteners that were not damaged upon removal.



It takes many years of carefully removing the original clutch head hardware to come up with enough extras to get you through an original restoration.

http://img.claspics.com/w8cp5hb/hhuvt3pj/1371063541-830.JPG_m.jpg?1371063546
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#949897 - Wed Jun 12 2013 10:12 AM Re: Clutch head screws/bolts replacement [Re: oldgreen51]
Materman Offline
Shop Shark
Registered: Wed May 30 2012 11:11 PM
Posts: 523
Loc: rural oklahoma
since we are talking about these boogers, how in the world do you get one out that has been stripped?


Indy wink
_________________________
1955 2nd chevy 4400 series 1.5 ton, affectionately named Mater

1969 GMC Heavy Half LWB fleetside turbo hydramatic 305 v6 named Blue Thunder

1949 Dodge Coronet 4 door with Gyromatic transmission
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