Purchase Qty. Reference FOB Price
1-4 Pieces US$1,741.00
5+ Pieces US$1,514.00
Product Description
Qualified Down The Hole Eccentric Casing Drilling System for Rock Tools Product Description When drilling in soft and loose ground with scattered boulders, the soil and clay are caved in, which creates drilling difficulty to withdraw the DTH drilling equipment and lowers the drilling speed. To ...