TCI Teeth Tricone Rock Bit 1. Description: The roller bit is a widely used drilling bit. When the roller bit is working, the cutting teeth contact the bottom of the well alternately, the rock breaking ...Lihat Lebih Banyak
Pesan PengunjungTinggalkan pesan
Belum ada komentar publik
Professional 6 1/2 Inch IADC 517 Tricone Bit for Mining Industry