Product name: 188mm Mring Overburden Symmetric Casing Drilling System Hole Opener Drill Bit For Well Drilling Product model: Overburden Symmetric Casing Drilling System Matched hammer: Hammer DHD350 Kingdrillin... Read More
Product name: 196mm MK3E183 Overburden Eccentric Casing Drilling System Bit For Tunneling Casing pipe OD: 183mm MK3E Casing Drilling Bit has a positive pilot design which helps guide the eccentric bit and ... Read More
Product name: 139mm recycle ring bit casing drilling system for engineering Product category: Overburden casing ring bit Matched hammer: Hammer DHD340 Matched casing pipe OD: 139mm Recycle ring bit casing ... Read More