Mata bor gigi bulat 31mm 11 derajat mata bor tombol lancip hemat biaya untuk terowongan penambangan batu keras

Sedikit tombol
June 29, 2026
Kata kunci: Sedikit tombol
Deskripsi Video:
Curious about how this performs in practice? Join us for a hands-on look at the 31mm 11 Degree Spherical Tooth Drill Bit in real hard rock drilling scenarios. In this video, we demonstrate its optimized taper connection, spherical carbide button performance, and cost-saving benefits for underground mining, quarry operations, and tunnel projects. See how it delivers straighter boreholes, longer service life, and reduced operational costs compared to generic alternatives.