Product Name: Aw, Bw Nw Hw/Hwt Core Drilling Casing Cutter Model NO.: AW, BW, NW, HW/HWT Condition: New Certification: ISO 9001 Precision: High Precision Automatic Grade: Automatic Hole Diameter: 50-100mm Number of Shaft: 6 Controlling Mode: CNC Layout: Vertical Structure: Vertical Drilling Machine Trademark: Crown Transport Package: Cartons Specification: AW, BW, NW, HW/HWT Origin: China Product Description Aw, Bw Nw Hw/Hwt Core Drilling Casing CutterFeatures:Used for cutting NW casing or HRHP/H/HM rod at any point ina drill hole when the entire string can not be retrieved.N rod box connection.Operations:Upon lowering the assembly, the cutting lugs are retracted inside thebody by the spring. With low rotation (25 rpm) initially, the cutting lugsare forced out using water pressure, 1 380 kpa (200 psi). A drop inpressure indicates that the cutting operation is complete.AW, BW, NW, HW/HWT casingcutter all is available.