Jimbo11 Posted September 28, 2021 Report Share Posted September 28, 2021 I have a Porter Cable 423 MAG circular saw and the tool less blade retention lock broke on it. When trying to find the part (even through Porter Cable), it is obsolete. Has anyone switched the original locking mechanism with a standard washer/arbor bolt set up? Wondering if it will work???? Quote Link to comment Share on other sites More sharing options...
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