1/4.28 UNF HSS Roll Tap

1/4" UNF High Speed Steel Fluteless roll taps 1/4 x 28 Unified National Fine Used for chipless production of threads in ductile material such as copper, aluminum or soft brass High speed tapping and produce stronger threads

For more information on 1/4.28 UNF HSS Roll Tap talk to JLS Supplies Ltd