Purchase Qty. Reference FOB Price
20-99 Pieces US$1,500.00
100+ Pieces US$1,400.00
Product Description
API 7-1 Drill Collars / Spiral Drill Collars for Well Drilling Introducing Nmdc Non Magnetic Drill Collars by GPE Oil Machinery Co., Ltd. These collars are designed for well drilling and are available in sizes ranging from 79.4mm to 279.4mm. They are API certified and offer excellent performance ...