... delivery on time5.ISO,SGS certified Size available:PDC bit specificationsAPI CONN.(in):2 3/8 2 ... 1/2,6-5/8,7-5/8 Cutter Size:1308MM,1613MM,1616MM,1619MM,1919MMIADC:M123/122IADC ... medium hard formationsmedium parabolic profile and scientific cutter densityhigher quality PDC cutter, which ensure longer bit life for the ... 4”6 Blade16mm6 5/8” API REGReal Photos:PDC BIT Photos:Certificate:API,ISO,SGS.Welcome to ...