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obnoxiousblue
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Joined: February 21, 2007
Posts: 2946
Location: East Northport, NY
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 Posted: Sun Mar 12, 2017 10:04 am Post subject: Engine Tin Screws |
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I'm looking for the size or a source for the screws used on the tins when reassembling my bus' 2.0 engine. A friend recommended McMaster Carr, which I knew about. But not knowing the proper size obviously prohibits my ordering anything. Does anyone know the size and how many I need?
https://www.mcmaster.com/#91800a420/=16o899q
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Mike
1964 Beetle
2001 Eurovan Camper |
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busdaddy
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Location: Surrey B.C. Canada, but thinking of Ukraine
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KentABQ 
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Joined: September 11, 2016
Posts: 2406
Location: Albuquerque NM
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| Posted: Sun Mar 12, 2017 10:13 am Post subject: Re: Engine Tin Screws |
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This should help:
http://www.busdepot.com/st612w
Edit: Ya beat me to it, BD. 
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1976 Riviera, 1.8l FI chrome yellow VAN - "Chloe"
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hazetguy
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Joined: April 06, 2001
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busdaddy
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Joined: February 12, 2004
Posts: 51155
Location: Surrey B.C. Canada, but thinking of Ukraine
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| Posted: Sun Mar 12, 2017 10:36 am Post subject: Re: Engine Tin Screws |
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| hazetguy wrote: |
| i remember having all philips head screws on my engine. get a good flat washer for under them too. |
Has anyone nailed down when the screws changed from slot to phillips?, I'm thinking 1976 but I can't confirm that yet.
Also don't forget those 2 M5 ones that hold the deflectors to the bottoms of the heads above the pushrods, nothing ruins a productive day of engine dressing like a screw that won't fit.
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Glenn
Mr. 010
Joined: December 25, 2001
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| Posted: Sun Mar 12, 2017 11:15 am Post subject: Re: Engine Tin Screws |
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| obnoxiousblue wrote: |
| A friend recommended |
You have friends?
Here's a better view. M6x12mm
McMaster only lists SAE Phillips in Filister, no metric.
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Glenn
74 Beetle Specs | 74 Beetle Restoration | 2180cc Engine
"You may not get what you pay for, but you always pay for what you get"
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Glenn
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crownline
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Location: Northwoods of WI
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| Posted: Sun Mar 12, 2017 11:28 am Post subject: Re: Engine Tin Screws |
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I get mine at the local hardware store or big box home improvement store. The have lots of metric screws and bolts. Tin screws in cross point.
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1972 Bus 1700 cc Single Carb. But not a progressive.
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Wish I still had the ones I got rid of.
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obnoxiousblue
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Joined: February 21, 2007
Posts: 2946
Location: East Northport, NY
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| Posted: Sun Mar 12, 2017 1:43 pm Post subject: Re: Engine Tin Screws |
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Just posted on the other thread (above) and you guys answered me here!
You all rock! Except for Glenn, he's just old and creepy. 😄
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Mike
1964 Beetle
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Wildthings
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Joined: March 13, 2005
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| Posted: Sun Mar 12, 2017 1:46 pm Post subject: Re: Engine Tin Screws |
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The screws are known as cheese head screws. I definitely prefer the Phillips heads screws over the slotted ones but prefer hex head screws over the Phillip.
I have a bag of regular hex head screws, a bag of washer headed hex screws and a bag of SS flat washers with various OD's, plus a can of used cheese heads. I have a few SS hex head and fillister head screws floating around as well. I just select what I feel works best in any given location and don't worry about trying to keep things original. |
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obnoxiousblue
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Location: East Northport, NY
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| Posted: Sun Mar 12, 2017 1:52 pm Post subject: Re: Engine Tin Screws |
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Also, regarding the two M5 ones underneath... what size are those? I didn't take the tins off, and frankly never have had to take the whole thing apart before.
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Mike
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rockerarm
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Location: Los Angeles
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| Posted: Sun Mar 12, 2017 1:54 pm Post subject: Re: Engine Tin Screws |
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[quote="busdaddy"]
| hazetguy wrote: |
| i remember having all philips head screws on my engine. get a good flat washer for under them too. |
Has anyone nailed down when the screws changed from slot to phillips?, I'm thinking 1976 but I can't confirm that yet.
As I recall, the change could have been the '74 model year. I worked the dealer back then and recall the Calif dual pre-heat riser intake with some unique tin pieces around them. All of those cars to include '75 had them.
Bill.
Last edited by rockerarm on Sun Mar 12, 2017 8:05 pm; edited 1 time in total |
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busdaddy
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Location: Surrey B.C. Canada, but thinking of Ukraine
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| Posted: Sun Mar 12, 2017 2:40 pm Post subject: Re: Engine Tin Screws |
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| obnoxiousblue wrote: |
| Also, regarding the two M5 ones underneath... what size are those? I didn't take the tins off, and frankly never have had to take the whole thing apart before. |
~10mm long should do, you can always add a washer if it's too long.
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Rust NEVER sleeps and stock never goes out of style.
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ROCKOROD71
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Joined: January 18, 2012
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| Posted: Mon Mar 13, 2017 7:49 am Post subject: Re: Engine Tin Screws |
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HERE:
https://www.belmetric.com/6mm-c-10_74_1342_1344_77/msp6x12-phillips-pan-head-p-437.html
many other sizes as well.
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1971 STD BEETLE- DD-1st car, 1st love. keepin' it stock! 1600DP, Solex 34-3 Mexi Bosch SVDA Dist NOW w/POINTS
1977 WESTY "KrustyKamper" 2L FI
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telford dorr
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| Posted: Mon Mar 13, 2017 9:35 am Post subject: Re: Engine Tin Screws |
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I switched over to short hex bolts instead of screws. Got tired of mucked up slots in screw heads.
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SamboSamba22
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otiswesty
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Location: Portland
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| Posted: Mon Mar 13, 2017 9:51 am Post subject: Re: Engine Tin Screws |
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I have used phillips and hex head in place of the slotted tin screws as well. The really great thing about the Bus Depot screws is that they have a retained washer that does not fall off. When you are putting them into an awkward spot, holding a small washer on this little cheese head screw makes it all that much worse. I would say that this is more important than using a stainless fastener. Stainless or not, the tin screw is more likely to seize in place without a washer.
http://www.busdepot.com/st612w
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Glenn
Mr. 010
Joined: December 25, 2001
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Location: Sneaking up behind you
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| Posted: Mon Mar 13, 2017 11:23 am Post subject: Re: Engine Tin Screws |
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| otiswesty wrote: |
| Stainless or not, the tin screw is more likely to seize in place without a washer. |
Why is that?
The washer just prevents the screw from digging into the sheet metal. How do they prevent seizing?
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Glenn
74 Beetle Specs | 74 Beetle Restoration | 2180cc Engine
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Spike0180
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Location: Detroit, Michigan
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| Posted: Mon Mar 13, 2017 11:39 am Post subject: Re: Engine Tin Screws |
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| telford dorr wrote: |
| I switched over to short hex bolts instead of screws. Got tired of mucked up slots in screw heads. |
That is my plan too. IDK why they are screws, other than people tightening them too much and stripping the heads.
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otiswesty
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Location: Portland
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| Posted: Mon Mar 13, 2017 12:17 pm Post subject: Re: Engine Tin Screws |
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| Glenn wrote: |
| otiswesty wrote: |
| Stainless or not, the tin screw is more likely to seize in place without a washer. |
Why is that?
The washer just prevents the screw from digging into the sheet metal. How do they prevent seizing? |
Well, corrosion under the screw head at the tin or between the screw and tin make it harder to turn the screw. Stainless is a softer metal than mild steel and that can be a confounding factor as well with stripping of a phillips head or slotted screw head
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