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Author Topic: Need help identifying bolt size please  (Read 1530 times)
quexpress
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Posts: 519


Montreal, Québec, Canada


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« on: January 13, 2010, 05:21:21 PM »

I wish to replace the screws that fasten the carburator top covers.
See part 25 in this parts fiche:
http://www.hdlparts.com/fiche_section_detail.asp?section=148927&category=MOTORCYCLES&make=HONDA&year=2000&fveh=3479

The description reads: SCREW-WASHER (4X18)

What does the 4X18 stand for?

I wish to replace these with Stainless Steel Metric Socket Head Cap Screws,
as shown in this link:

http://www.fastener-express.com/index.asp?PageAction=VIEWCATS&Category=246

However since I don't know how to interpret the thread size and pitch of the OEM screw, I'm in the dark.

Any insight would sure be appreciated!  Cool
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roboto65
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Posts: 878


Conroe,TX


« Reply #1 on: January 13, 2010, 05:31:17 PM »

Pretty sure they are say 4mm x 18mm  long I have some at the house for Magnas we also do the bowls but on the boat right now also have another link I can get when I am not diving at night LOL
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Allen Rugg                                                       
VRCC #30806
1999 Illusion Blue Valkyrie Interstate
1978 Kawasaki KZ 650 project
sandy
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Posts: 5388


Mesa, AZ.


« Reply #2 on: January 13, 2010, 07:49:27 PM »

Here's the one you need. The .7 is the thread pitch of the screw. The 4mm is the diameter and the 18mm is the length of the bolt below the head.  http://www.fastener-express.com/index.asp?PageAction=VIEWPROD&ProdID=2056 
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roboto65
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Posts: 878


Conroe,TX


« Reply #3 on: January 13, 2010, 08:20:07 PM »

http://www.microfasteners.com/catalog/products/METSCMS.cfm

Here is where I get mine for the Magna carbs which are the same carbs!!

 And you get 20 for the price
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Allen Rugg                                                       
VRCC #30806
1999 Illusion Blue Valkyrie Interstate
1978 Kawasaki KZ 650 project
quexpress
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Posts: 519


Montreal, Québec, Canada


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« Reply #4 on: January 14, 2010, 03:29:34 PM »

Here's the one you need. The .7 is the thread pitch of the screw. The 4mm is the diameter and the 18mm is the length of the bolt below the head.  http://www.fastener-express.com/index.asp?PageAction=VIEWPROD&ProdID=2056 

Thanks!!!  Cheesy
BTW how did you know the thread pitch? Did you measure it, or was it mentioned somewhere else?
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I still have a full deck.
I just shuffle slower ...
quexpress
Member
*****
Posts: 519


Montreal, Québec, Canada


WWW
« Reply #5 on: January 14, 2010, 03:30:08 PM »

http://www.microfasteners.com/catalog/products/METSCMS.cfm

Here is where I get mine for the Magna carbs which are the same carbs!!

 And you get 20 for the price

Thanks!!!  Cheesy
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I still have a full deck.
I just shuffle slower ...
sandy
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*****
Posts: 5388


Mesa, AZ.


« Reply #6 on: January 14, 2010, 08:14:47 PM »

Here's the one you need. The .7 is the thread pitch of the screw. The 4mm is the diameter and the 18mm is the length of the bolt below the head.  http://www.fastener-express.com/index.asp?PageAction=VIEWPROD&ProdID=2056 

Thanks!!!  Cheesy
BTW how did you know the thread pitch? Did you measure it, or was it mentioned somewhere else?

I knew from previous experience dealing with metric standards.
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quexpress
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Posts: 519


Montreal, Québec, Canada


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« Reply #7 on: January 15, 2010, 03:59:03 AM »

Quote
Thanks!!!  Cheesy
BTW how did you know the thread pitch? Did you measure it, or was it mentioned somewhere else?
Quote
I knew from previous experience dealing with metric standards.
OK thanks!  cooldude
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I still have a full deck.
I just shuffle slower ...
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