.545 MINUS CLASS ZZ SPI PLUG G

NMTB to Jacobs Taper Drill Chuck AdapterNMTB 30 Shank, 6JT Chuck Taper NMTB Taper Adapter T.I.R. 0.0002" SHANK SIZE NMTB 30 THREAD SIZE 1/2-13 MOUNTING SIZE 6JT See all NMTB to Jacobs Taper Drill Chuck Adapters