Metzke Thread 4 1/2 Inch Reverse Circulation Drill Pipe For RC Hammer Drilling

Introduction

DTH drill pipe play a significant role in all DTH drilling, regardless of application, rock type, hole depth or drill rig. The key features of a high quality DTH drill rod are durability, accuracy and manageability. DTH drill pipes are made of superior alloy and the both thread ends are friction welded to the seamless steel pipe.The high pressure air is delivered to DTH hammer by DTH drill pipe, simultaneously it transfers the rotation and press force to the DTH hammer.

MATERIAL SPECIFICATIONS

Roschen RC Rods use premium quality European hardened 4140 alloy steel tool joints with heavy duty seamless drill pipe and high tensile API 5CT rated wear resistant Inner Tubes. RC Rods using high specification austenitic Stainless Steel for down hole survey also available.

ROSCHEN ROD RANGE

• RC Rods and Inners

• API Rods

• RAB Rods

• Cubex Blast Rods

• Larger Rods

KEY FEATURES AND BENEFITS

• Precision Australian manufacturing

• High tensile hardened European 4140 tool joints

• Seamless High tensile drill pipe and inner tube material

• Latest robot welding technology with welds independently tested and certified to exceed welding standard AS3992

• Options for additional heat treating o f tool joints

• Options for Urethane Seals to replace traditional “O” Ring setup

• Talk to the Harlsan team about custom made rods

TECHNICAL SPECIFICATIONS

All standard Lengths from 1m to 6m available

Reverse Circulation Drill Pipe :: Further Information

Tool Joint Spanner Flats
Rods available with or without spanner flats. Two or four flats as required.

Tool Joint Material
All Rods feature hardened European 4140 alloy steel tool joints.

RC Drill Pipe Thread Types
Remet, Metzke, RRE, Drillstar, LW, TS & other threads available.

Robot welding technology
Independently tested & certified to exceed welding standard AS3992

RC Drill Rods Length & Size
Standard lengths from 1 to 6m in 3",3 ½’’, 4’’, 4 ½’’, 75mm & 78mm diameters.

Reverse Circulation Drill Rods Sealing Options
RC Rods with standard O-ring set up or improved urethane seal options.

Other Rods - Blast Hole
We manufacture RAB, Cubex & API Rods as well as rods to your requirements.

RC Rods & Inner Tubes
Makes other RC rods look downright soft. Outstanding thread strength and wear life comes standard.

Air Core Bits
The dynamo of Air Core Drilling. Harlsan Air Core and Vacuum Bits lift the metres you drill every day.

RC Subs
Stand out quality means our subs always fit. State of the art machining delivers precision cut threads every time.

Blow Downs
If you’re not drilling you’re not earning. Harlsan Hydraulic Blow Downs are the answer to drill string blockages

Inlet Swivels
Reduce down time with the Inlet Swivel designed & proven to consistently drill longer between reseals.

INLOK System
Install and remove Inner Tubes with the system that increases safety, production and cuts maintenance.

Pictures

 ROSCHEN GROUP

ROSCHEN Group has the world class advanced equipment like 12000 tons forging, metal processing plant, heat treatment workshop, numerical control plant, Advanced five-axis machining center, etc. professional technical and skilled team to ensure mining, mineral tools, equipment products quality stable and reliable.

ROSCHEN Group Limited is a manufactory with years of research and development for the mining, mineral tools, equipment. We are capability to produce high performance world class products and control excellent quality. Our main product includes tricone bit, diamond core bits, drill pipe, core barrel, TCI tricone bit, mill tooth tricone bit, RC hammer, DTH bit, etc.

ROSCHEN Manufactory PROCESS

ROSCHEN Sales Value Growing Up!

ROSCHEN'S MISSION

1. Strive to create and supply Best quality products for the industry that last longer than the average products.

2. Provide excellent service for our clients.  24 hour-7 days /week schedule to get our clients what they need – FAST.