1/4.28 UNF Fluteless HSS Machine Roll Tap
Specification 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 Part Number ES-7200Visit the JLS Supplies Ltd website for more information on 1/4.28 UNF Fluteless HSS Machine Roll Tap