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Old 11-25-2009, 08:45 PM   #1
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Default flat screws for engine?

hey guys, quick question, could I use this type of screw



to hold the engine to the motor mount?

I don't know why but my local hobby shop ordered those when I said I need 5-40 screws to hold the motor down for my losi 8ight...

Is the head snapping off a problem the shop owner seems pretty knowledgable overall, just want to double check with you before I put those screws in...

I shouldn't need a washer with this big flat head either, right?

Much thanks
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Old 11-26-2009, 06:15 AM   #2
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Quote:
Originally Posted by spawn_x View Post
hey guys, quick question, could I use this type of screw



to hold the engine to the motor mount?

I don't know why but my local hobby shop ordered those when I said I need 5-40 screws to hold the motor down for my losi 8ight...

Is the head snapping off a problem the shop owner seems pretty knowledgable overall, just want to double check with you before I put those screws in...

I shouldn't need a washer with this big flat head either, right?

Much thanks
I'd be concerned you might not be able to tighten them down hard enough to prevent them from vibrating out. Or they might round off when trying to remove them. They look like stainless steel bolts, and they use a smaller hex. I would use hardened bolts.
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Old 11-26-2009, 06:24 AM   #3
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I'd go to a good local hardware store that carries a good selection of machine bolts and get the correct hex head bolts. I would trust the flat head crews. You will end up stripping out the head trying to get them tight enough. Take them back to the hobby shop. FWIW - I get alot of bolts from my local Ace Hardware.
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Old 11-26-2009, 06:38 AM   #4
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thanks guys. Its a good store and the owner is cool, but this is a couple times now that I've been disappointed.

Ace it is!
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