Kennametal 5/16-18 3pc Tap Set Taper Plug and Bottom Taps 4 Flute HSS USA
Hand taps for 3B class of fit are suitable for UNJ aerospace internal threading applications.
Tap sets: one of each taper, plug, and bottoming chamfers.
Refer to table on pages L291–L292 for the recommended pitch diameter limit for 2B or 3B class of fit.
uncoated D1 size 5/16 – 18 L 2.72″ L3 1.13″ D .318″ number of flutes 4 pitch diameter limit H3