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preparing the hole correctly is vital to avoid binding the tap or stripping the threads:
High Duty Cycle Engineered for high performance reliability
Unique Point and Stepped Core - Designed for superb penetration and minimal work hardening
and precision in their daily construction endeavours
UNF UNIFIED NATIONAL FINE DIE NUTS MAJOR DIAMETER X THREAD PER INCH:5/16 X 24 preparing the hole correctly isUNF (Unified National Fine) die nuts are specialized hexagonal threading tools used to restore, clean, or cut external threads in confined or hard to reach areas. Because of their hex shape, they can be easily driven with a standard spanner or socket wrench, making them perfect for on site repairs. The Thread Specifications (1 4 X 28 UNF) 1 4" (Major Diameter): The nominal outside diameter of the bolt or thread it fits is exactly 1 4 of an inch (6. 35
