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Muffler screw size for OS LA65?

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Old Today, 04:47 AM
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Todd_R
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Default Muffler screw size for OS LA65?

Can anyone confirm the thread size for the muffler attachment screws? I'd rather go to the hardware store than pay hobby shop prices for 2 socket head cap screws. I haven't found a screw that fits in my box of screws yet that I can measure. The muffler has the number E-4010 embossed on it,
Old Today, 07:34 AM
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mgnostic
 
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It's probably a 3 mm x 0.5 thread pitch.
Old Today, 08:59 AM
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Jesse Open
 
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Why not take the thing with you when you visit the store ? A simple test fitting is a better bet than a handful of “probable”.

In the event that 3.0 mm seems a bit sloppy, and 4.0mm a no-go; There is a tweeter option, the 3.5 mm screw has been used often on O.S. Engines.
Old Today, 10:59 AM
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Todd_R
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Originally Posted by Jesse Open
Why not take the thing with you when you visit the store ? A simple test fitting is a better bet than a handful of “probable”.

In the event that 3.0 mm seems a bit sloppy, and 4.0mm a no-go; There is a tweeter option, the 3.5 mm screw has been used often on O.S. Engines.
I did take it with me, but Lowe's didn't have what I needed. Ordered an assortment of metric hardware on Amazon. It's good to have a supply anyway.
Old Today, 01:34 PM
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Were the Lowe’s all small, too large or too short?
If the 3 felt small and the 4 would not fit, there is a pretty good chance it is a 3.5. Lowe’s does not carry 3.5mm and very few suppliers do. Most metric assortments exclude 3.5mm as well.
In some situations, the hobby shop prices are a pretty good deal.

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