I need threaded suds 4-3/8" long for a job I'm doing. I was using all thread but I need a snug fit on the nut I'm using. The local fastener place tells me that all-thread is made to a "commercial nut fit" not any class of thread. I can't find any reference to a "commercial nut fit" in the machinist's handbook.
I can find B7 studs at Mcmaster, but they are $2 each. I don't need any high strength material, just a nice thread fit. I would like to get a class 2A thread on a plated steel rod.
Any suggestions?
This is a height adjustment screw on a small machine. I machine a nut from 1018 steel and slot it, then pinch the slot closed to get rid of as much slop as I can, but all thread is not uniform and I get tight and loose spots.
Thank You, Randy
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