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2026. 6. 30. 작업

증상

Are DIY store bolts okay for critical components?

처리 내용

First of all some nitpicking: M10x26.5 isn't the correct designation: You need also the thread width. Car manufacturers are very eager to use some unusual fine threads. My personal strategy would be the following: Screw out the second bolt and go to an industrial supply shop, do not go to the DIY shops. Show them the bolt, ask for a second one and tell them that it is used to keep your brakes attached to your car. Should the shop not be stocked of this bolt they perhaps can order it or give you at least an indication on where to find it. A good indication would be the "Würth" chain, although you probably need to buy an entire box. Make sure you get a bolt of the same width, length, thread width and most important: the same grade (visible by a stamp on the head of the bolt). It is ok if your new bolt comes without thread-locking micro-encapsulation, just make sure you use some thread-locking compound on installing. Some background information: Most of the time they use an 10.9 grade bol