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 the Non-Magnetic Drill Collar for Drilling String by GPE Oil Machinery Co., Ltd. This API-approved collar is perfect for hole drilling, with a slick spiral design and a length of 3 meters. Made from P-550 steel, it offers ...