Rotary Drilling Straight Shank Roller Cone Bit
8 1/2WYHA627QY1 (52 alloy inserts)
¥2650.00¥3000.00
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, relatively strong formation homogeneity, and high/medium/low abrasiveness.