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Grease Monkey
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Grease Monkey
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Hi Guys,
At a show on Sunday, a guy in my class questioned the correctness of the Phillips head screws on my '37 Chevy's windshield garnish moulding, sun visors fasteners, etc. Most of the interior fasteners on my coupe are Phillips, but he said they weren't even invented in 1937. Research tells me they were invented in the early '30's, but I still don't know if they are correct on my Chevy. Please advise.
Woody Gingrich
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Technical Advisor ChatMaster - 10,000
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Technical Advisor ChatMaster - 10,000
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The phillips screw was invented by Henry F. Phillips from Portland, Oregon in about 1936. The 1936 Cadillac was the first GM car to use the phillips screw. It became so popular that by 1940 almost all car manufacturers were using phillips screws. 
RAY Chevradioman http://www.vccacolumbiariverregion.org/1925 Superior K Roadster 1928 Convertible, Sport, Cabriolet 1933 Eagle, Coupe 1941 Master Deluxe 5-Passenger Coupe 1950 Styleline Deluxe 4-Door Sedan 1950 Styleline Deluxe Convertible 2002 Pontiac, Montana, Passenger Van 2014 Impala, 4-Door Sedan, White Diamond, LTZ 2017 Silverado, Double Cab, Z71, 4X4, White, Standard Bed, LTZ If you need a shoulder to cry on, pull off to the side of the road. Death is the number 1 killer in the world.
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Shade Tree Mechanic
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Shade Tree Mechanic
Joined: Aug 2002
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Interesting history, Antique Mechanic. But. correct or not, practically, with Phillips head screws, there is a lot less chance that your freshly woodgrained mouldings (if they are) will get scratched up than with slot head screws.
DocB
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Oil Can Mechanic
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Oil Can Mechanic
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V.C.C.A. - (National) - (S.O.C.R. #7) - M.C.A.A.C. (NOT V.C.C.A. - "local").... http://www.mcaac.mb.ca * * * Chevys are G R E A T * * *.
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Technical Advisor ChatMaster - 10,000
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Technical Advisor ChatMaster - 10,000
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WOW! Why wasn't this subject brought up before? DdeuceMan can really elaborate on this subject. His best effort, with the exception of his want-ad for the molding on his 4-door Nova.
RAY Chevradioman http://www.vccacolumbiariverregion.org/1925 Superior K Roadster 1928 Convertible, Sport, Cabriolet 1933 Eagle, Coupe 1941 Master Deluxe 5-Passenger Coupe 1950 Styleline Deluxe 4-Door Sedan 1950 Styleline Deluxe Convertible 2002 Pontiac, Montana, Passenger Van 2014 Impala, 4-Door Sedan, White Diamond, LTZ 2017 Silverado, Double Cab, Z71, 4X4, White, Standard Bed, LTZ If you need a shoulder to cry on, pull off to the side of the road. Death is the number 1 killer in the world.
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Grease Monkey
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Grease Monkey
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Thanks a lot guys ! The history lesson was very educational, but I still don't know if these are the correct screws for my car.
Woody
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Tech Advisor ChatMaster - 25,000
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Tech Advisor ChatMaster - 25,000
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The Mangy Old Mutt
"If It's Not Junk.....It's Not Treasure!"
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ChatMaster - 1,500
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If anyone has a copy available (I should, but can't find it) -
whenever there is a national Judging School, they always give out a copy of the Judging Manual, along with a single sheet entitled "Cheat Sheet" with a few pertinent facts.
One of the things I remember on that Cheat Sheet is the first year that Phillips Head was OK.
Somebody must have one of those sheets slying around....
Chevy Guru
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Oil Can Mechanic
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Oil Can Mechanic
Joined: Dec 2001
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V.C.C.A. - (National) - (S.O.C.R. #7) - M.C.A.A.C. (NOT V.C.C.A. - "local").... http://www.mcaac.mb.ca * * * Chevys are G R E A T * * *.
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ChatMaster - 25,000
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ChatMaster - 25,000
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As per June 1936 Chevrolet Service News----
NEW CAB TRIM SCREW DRIVER
A new screw driver has been released by Kent-Moore organization,Detroit Michigan (they were and still are the supplier of special tools for GM) to take care of of the special screws holding the trim in the 1936 commercial cabs (low roof 1936 truck cabs).The new screw driver,KMO-141 will be sold at 55 cents and may be ordered thru.......
Was the 1936 new low roof cab the first Chevrolet to use phillips screws????or are they refering to clutch heads-which were never generally used in smaller sizes for trim items.
Any one with a 1937 and up K-M catalog could look up this number for a description.
For sure 1937 cars used phillips for interior trim.
Gene Schneider
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ChatMaster - 750
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1935 truck cabs used clutch head screws on all the door trim, same as 1934. I have a pair of high roof 1936 truck doors and they have clutch head screws on the door trim. A parts book might be able to answer question.
34 & 35 trucks are the greatest. 36 high cabs are OK too.
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The parts book is not too informative when it comes to "nuts and bolts" unless its a special fastener for a special use.But your reply was intersting-still wondering as the tool was listed for 1936 only and being "new".....perhaps some one with an original '36 will see this and reply.-- or a 1937 or ????
My 1940 parts book lists sheet metal screws for doors but does not describe them as to head etc.
Gene Schneider
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Joined: Feb 2002
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Backyard Mechanic
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Backyard Mechanic
Joined: Feb 2002
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I have an "un-restored" cab I've saved for my '37 pickup... it has a combination of clutch heads and pan-heads. The head liner is held in with clutch heads, while the door panels have the combination. Based on what I see there, I'd bet the clutch heads are original up to that year/month/assembly location (Saint Louie I think).
Lenn
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ChatMaster - 2,000
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don't know if this helps, but: the cab of our "unrestored" '40 kc 1/2ton came to us with clutch heads on headliner trim and slotted pan head screws elsewhere (such as door panels, kick panel trim, etc.)... we've also looked at a dozen other "unrestored" jc's & kc's to see if there is a pattern, but there didn't seem to be one...didn't see any phillips, though...  epi
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Tech Advisor ChatMaster - 25,000
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Well, at least we know that Phillips head screws were used in 1937 because they are listed in the 1937 parts book. Welcome back Kepi Doodle! Haven't seen you on Chevy Chatter for some time now. 
The Mangy Old Mutt
"If It's Not Junk.....It's Not Treasure!"
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Backyard Mechanic
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Backyard Mechanic
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DdeuceMan,
Your explaination sounds just like what I would hear on the History Channel as Modern Marvels goes to commercial. :cool2:
Dan.
Together we can do anything. The impossible just takes longer.
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Oil Can Mechanic
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Oil Can Mechanic
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V.C.C.A. - (National) - (S.O.C.R. #7) - M.C.A.A.C. (NOT V.C.C.A. - "local").... http://www.mcaac.mb.ca * * * Chevys are G R E A T * * *.
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ChatMaster - 1,000
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Just to add my 2¢, my unrestored '37 Sports Coupe (a December '36 built car) has Phillip's head screws in it. I also had a '37 sedan several years ago that was unrestored and that had Phillip's head screws, as well.
-BowTie Bob
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Joined: Nov 2001
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Tech Advisor ChatMaster - 25,000
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Tech Advisor ChatMaster - 25,000
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The Mangy Old Mutt
"If It's Not Junk.....It's Not Treasure!"
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