1/4″ x 28 UNF HSS SECOND TAP
Unified National Fine Straight Flute full size taps used as Machine taps or Hand taps for tapping in free cutting Steel up to 800N/mm2. The perfect form thread is generated by a combination of effective pitch diameter, major diameter and chamfer length.
Flute Length 19mm
Overall Length 66mm
Material HSS
P0 Bright Finish




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