ST58 Bit de alargamento de rocha de uma peça com rosca para perfuração de rocha dura

broca de alargamento
July 11, 2026
Palavra-chave: broca de alargamento
Descrição do vídeo:
Our team walks you through how the ST58 Thread Reaming Rock Bit performs in common underground drilling scenarios. In this video, you'll see a detailed demonstration of this one-piece reaming bit's operation, from installation to actual rock drilling applications. We explain the two-step drilling and reaming process, showcase its integrated structure benefits, and highlight how it maintains stability during high-speed hole expansion in mining and tunneling projects.