Loading…

Manufactured From AISI 4145h Modified Steel Drill Collar with API Connections, Phosphate Coating, Stress Relief Features and Cold Rolling, Find Details and Price about 3-1/8" to 14" 4145h; 4145h-Mod from Manufactured From AISI 4145h Modified Steel Drill Collar with API Connections, Phosphate Coating, Stress Relief Features and Cold Rolling - Dezhou Rundong Petroleum Machinery Co., Ltd.