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Author Topic:   Tuesday trivia
SteveLaRiviere
Administrator

Posts: 43152
From: Saco, Maine
Registered: May 99

posted 03-08-2005 08:27 AM     Click Here to See the Profile for SteveLaRiviere   Click Here to Email SteveLaRiviere     Edit/Delete Message   Reply w/Quote
Ford often uses SEMS sheetmetal bolts.

What does SEMS stand for?

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'70 Mustang Mach 1 351C 4V/FMX/3.25 Open
'70 Mustang Convertible 250 I6/3 speed/2.79 Open
'72 Mustang Sprint Hardtop 351C 4V/FMX/4.30 Trac Loc
'94 F-150 XL 5.8L/E4OD/3.55 Limited Slip

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BlueMule
Gearhead

Posts: 1463
From: Kent Island, MD USA
Registered: Sep 2002

posted 03-08-2005 08:56 AM     Click Here to See the Profile for BlueMule   Click Here to Email BlueMule     Edit/Delete Message   Reply w/Quote
A screw and washer assembly. A screw or bolt which has a captive washer.

In the 1930's E. C. Crowther was a representative for a company that sold both shakeproof washers and screws. He came up with the idea of placing the washer on the screw before it was thread rolled. The major diameter of the screw being larger than the washer hole prevents it from coming off. The Illinois Tool Works made machines that produced these patented pre-asSEMbled washers and screws. The s at the end of SEMs is thought to be been subsequently picked up because they are not usually purchased individually. In spite of the original patents and trademarks the word SEMS is generally recognised as a generic term applicable to screw and washer assemblies.

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-Paul

70 Mach1 351C/FMX
79 Ranchero GT 302 smogger/C4
97 Expedition XLT 5.4
00 SVT f150 Lightning 4149 of 4966 Born on: 06/26/2000

'If you're not the lead dog, the view never changes.'

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SteveLaRiviere
Administrator

Posts: 43152
From: Saco, Maine
Registered: May 99

posted 03-08-2005 09:11 AM     Click Here to See the Profile for SteveLaRiviere   Click Here to Email SteveLaRiviere     Edit/Delete Message   Reply w/Quote
Nice job, sir!

------------------
'70 Mustang Mach 1 351C 4V/FMX/3.25 Open
'70 Mustang Convertible 250 I6/3 speed/2.79 Open
'72 Mustang Sprint Hardtop 351C 4V/FMX/4.30 Trac Loc
'94 F-150 XL 5.8L/E4OD/3.55 Limited Slip

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mustangs68
Moderator

Posts: 22320
From: Buckroe Beach Va MCA#39406 M&M #12 Member Mustang Club of Tidewater
Registered: May 99

posted 03-08-2005 03:52 PM     Click Here to See the Profile for mustangs68   Click Here to Email mustangs68     Edit/Delete Message   Reply w/Quote
Damn..that was so informative I got brain freeze just like eat icecream too fast!

Excellent!

Sam

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TomP
Gearhead

Posts: 5761
From: Delta BC Canada
Registered: Dec 99

posted 03-08-2005 09:29 PM     Click Here to See the Profile for TomP   Click Here to Email TomP     Edit/Delete Message   Reply w/Quote
Now why wouldn't they have shortened it to ASS?

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