Min. Order Reference FOB Price
1 Piece US$40.00-100.00 / Piece
Product Description
Product specifications: Thread: R22, R25, R28, R32, R35, R38, T38, T45, T51, T58, T60,T68 Button bit face design: Flat face, drop centre, Button bit thread type: Normal, Retrac and straghtrac . Tungsten carbide (Buttons): Spherical, ballistic and Conical. (Threaded R32, R38, T38, T45, T51, ...