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Re: pic: prototype drivetrain v2.1
Drill bits are great for clearing material out and for making holes where fasteners can pass through, but a drill bit will never come close to surface finish or precision of a reamer. Say you're making the bearing for a 1/2" axle, I would drill with a 0.4921 jobber bit then ream to 0.5010, a HSS reamer in that size is $21 from McMaster and has a tolerance of +/- 0.0003" an impractical tolerance for drilling or boring, but anyone can do it with a reamer.
Best of luck!
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Maturity is knowing you were an idiot, common sense is trying to not be an idiot, wisdom is knowing that you will still be an idiot.
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