Product name: Casing pipe OD273mm MRS Overburden Casing Drill Bit Tools System For Construction
Casing pipe OD: 273mm
MRS overburden drilling systems are designed for economic cost of drilling in simultaneous casing advancement.
The wings are retracted by reverse rotation.
Product components:
1. Pilot bit+3PCS wiggle wings+casing shoe
2. Pilot bit+4PCS wiggle wings+casing shoe
Production details:
How to order:
Casing Tube OD & ID + Reamer Bit Diameter + Minimal Casing Shoe ID + Hammer Shank Style
Product advantage:
1.Enhance penetration and perpendicularity
2.Reduce torque requirements
3.Lowest effect with environment
Product manufacturing: