Min. Order Reference FOB Price
1 Set US$100.00-800.00 / Set
Product Description
API 7-1 Square &hexagonal Rotary Kelly (2-1/2"-6") Product Description We can manufacture square drill rods and hexagonal drill rods as per requirements of customers. They are made of AISI 4142H-4145H forged or rolled alloy structural steel. Quenching plus tempering thermal treatment will be ...