Purchase Qty. Reference FOB Price
1-29 Pieces US$600.00
30-79 Pieces US$590.00
80+ Pieces US$580.00
Product Description
Product Parameters IADC WOB(KN/mm Bit Dia.) RPM(r/min) Applicable Formations 435 515 0.20~0.70 200~80 Soft with very low compressive strength such as shale ,clay, sandstone ,soft limestone ,etc 535 0.35~0.80 200~80 Medium soft with low compressive strength and harder abrasive ...