Min. Order Reference FOB Price
100 Pieces US$100.00-500.00 / Piece
Product Description
Made in China high quality top hammer thread drill bit for drill rod for miming machinery Product Description Drill rod using T38/T45/T51 thread system. With wrench flats to aid in coupling/decoupling of rods for extension drilling. Used in benching and long hole drilling.Produce Hexagonal and ...