Gem Bids For Grooving Insert To C2i-j2n-0476-0003-gm4, Insert For U Drill Dia 0.875 Inches, Ps Drill Dia 3.30 Mm , Machine Tap M16 X 2 Type-b, Hand Tap M16 X 2 Ii, Hss Hand Tap- M12x1.75 1st Tap, Hss Hand Tap- M12x1.75 3rd Tap