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
Product Name: 188mm MSX140 Overburden Casing Drilling System Bit For Horizontal Directional Under Ground Drilling Spline: DHD380,SD8,QL8 Case dia.(OD*ID): 273*260 Product details: Rock drill tools factory ... Read More
Product name: 89mm Mring Overburden Concentric Casing Drilling System with Ring Bit For Engineering Product category: Overburden casing ring bit Recycle ring bit casing drilling system working principle: 1. ... Read More
OD 133mm MRE Dual Rotors Overburden Casing Drilling bit CIR110 Shank Description MRE Eccentric Dual Rotors system for drilling overburden casing, Reamer bits enlarge to insert the casing pipe into the hole when ... Read More
Product Name: 345mm MRING Overburden Concentric Casing Drilling System Bit For Water Drilling Machine External Dia.(mm): 345mm Product details: Overburden Casing Drilling System - the ultimate tool for all your ... Read More