Min. Order Reference FOB Price
10 Pieces US$1.00-200.00 / Piece
Product Description
T38 T45 Tungsten Carbide Thread Button Bit for Borehole Mining 1. Made by high quality alloy steel bar and tungsten carbides. Through heat treatment, they are tough enough to meet rock drilling demands and have the least loss of energy while drilling the rocks. 2. In addition, customized thread ...