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unc is coarse, unf is fine pitch
No. The coarse thread UNC screws will not thread into the fine thread UNF holes. UNC must be used with UNC and UNF with UNF.
UNC stands for "UNIFIED BOLT THREAD COARSE" UNF stands for " UNIFIED BOLT THREAD FINE"
Unified National Fine as opposed to UNC - Unified National Course
mk1 rack has imperial threads(UNF) MK2 racks are metric
I would use an 18mm or 23/32 drill bit, in general, although it does partly depend on the thread type ( UNF, UNC etc) and the material .
UNF refers to UnNormalised Form.
UNC 4 Syracuse 3
unc 20-7
No.
As of July 2014, the market cap for Unifirst Corporation (UNF) is $2,021,434,001.94.
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