Min. Order Reference FOB Price
10 Pieces US$16.00 / Piece
Product Description
Description Rock drill bits factory Prodrill: R25 thread cross bit , diameter 45-76 mm suitable for drifting and tunneling drilling application,easier to sharpen than X-bits, inset angles are equal on all four sides, Bits 64mm and less are easier to sharpen than button bits of the same size, In ...