Apr 10, 2020
Permanent Symmetric Casing System by DTH Hammer Details Link : https://www.alibaba.com/product-detail/Professional-SOD-114-Retrievable-Overburden-Drill_62367074403.html?spm=a2747.manage.0.0.74c371d2cAQT7X Advantages： Full face head designed for faster penetration and straighter hole Less torque is required Can drill in vertical, horizontal or any direction Minimize disruption to the drilled hole Varied ring bit diameters to suit different casing requirement #SymmetricCasing #DTHHammer #overburdensystem #flexible #efficient #rocktools #prodrill https://www.instagram.com/p/B-yybuSj_Y9/?igshid=x5t7zyw8i60u
