Purchase Qty. Reference FOB Price
1-29 Pieces US$300.00
30-99 Pieces US$290.00
100+ Pieces US$280.00
Product Description
Detailed Photos 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 ...