... .330 8.38 EU IU4 1/2 114.3 12.24 18.23 E 0.271 6.88 EU ... 127.0 24.03 35.79 E 0.500 12.70 IEU5 127.0 24.03 35.79 X, ... 60.32mm to 139.7mm3) Wall thickness:6.45 to 12.7mm4) Grade:E75,X95,G105,S1355) Length:R1:6 ... 1-7.01mm, R2:8.84-9.75mm, R3:12.19-13.72mm For more than 40 years, we've ... gauges. To improve the galling-resistance during initial break-in and drilling operation, all threads are also phosphated or ...