Min. Order Reference FOB Price
1 Piece US$1,000.00 / Piece
Product Description
Kelly Pipe Product Description Kelly is the drive part of whole drill stem, it has two types, square kelly and hexagonal kelly and all of them are manufactured comfort to API Spec7-1 and SY/T6509-2000 criterion. Our Square&Hexagonal kelly are made from AISI 4145H modified alloy bars that are ...