Why would the manufacturer not use standard bolts?
To eliminate the dangerous condition where a user replaces the stock screw with a standard one having a flat underside to the head.
But couldn't they just have used a standard M5 bolt with a concave washer? No need to make your own bolts and no issues with customers who replace the bolt without thinking too much about it.
But couldn't they just have used a standard M5 bolt with a concave washer?
Yes, that's the better way to do it, but then people assemble them without the washer and you're back to square one 🙂
@wenzovic started
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To eliminate the dangerous condition where a user replaces the stock screw with a standard one having a flat underside to the head.