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UCANE ASM

F1554 GRADES 55 AND 105 IN STOCK !

OTHER SIZES AVAILABLE (Please Call)

OTHER SIZES AVAILABLE      (Please Call)A six-sided, internally threaded brass fastener which is only two thirds the thickness of a full form nut. Jam nuts are tightened against the work surface and a finished or heavy nut is generally tightened against the jam nut to keep it from loosening.