Rotary Drilling Roller Cone Bit
Military-grade quality, worry-free after-sales!
¥2550.00¥2800.00
商品详情
Applicable formation hardness/Mpa: 50-120Mpa Applicable formations: moderately to slightly weathered granite, basalt, quartz porphyry, tuff, conglomerate, etc. Formations with medium to high compressive strength, strong homogeneity, and high/medium/low abrasiveness.