89mm STM-R780 Alloy Steel Drill Rod 1m to 6m Length for Water Well and Coring Drilling

1M 3M 6M Length 89mm Drill Rod for Water Well / Coring Drilling

Product Overview

Our high-performance drill rods are engineered for durability in demanding drilling applications including water wells, mining, quarrying, and construction projects. Available in multiple lengths from 1M to 6M with 89mm diameter.

Key Specifications

Attribute	Value
Material	High Quality Alloy Steel (STM-R780)
Tensile Strength	≥ 1080 MPa
Available Lengths	1m, 2m, 3m, 4m, 5m, 6m
Warranty	12 Months
Compatible Equipment	Hydraulic Rock Drill, Integral Drill Rod, Epiroc Rock Drills

Technical Features

• Premium Material: STM-R780 alloy steel with stable, reliable performance
• Advanced Manufacturing: Ends heat-treated via intermediate frequency and hydraulic upsetting to eliminate internal stress
• Durable Joints: 42CrMoA tool joints with quenching, tempering, and nitriding treatment
• Precision Threads: CNC lathe-formed for exact fit and strong interchangeability
• Lightweight Design: Optimized weight for easy handling without compromising strength

Applications

Our drill rods are engineered for multiple demanding applications including:

• Water well drilling
• Geothermal drilling
• Mineral exploration
• Mining operations
• Quarrying and tunneling
• Construction projects

Product Images

Reliability Assurance

Backed by our 12-month warranty, these drill rods are built to withstand harsh drilling conditions while delivering consistent performance. With proper maintenance, they provide long-lasting service for your drilling operations.

Jinzhou Shitan Machinery Equipment Co., Ltd. Main Products：

Pneumatic Drilling Rig / Air Drilling Rig（ST-180,ST-200,ST-260,ST-300,ST-350,ST-400,ST450,ST-450,ST-500, ST-600,ST-800 and other Pneumatic water well drilling Rigs.）, Crawler Water Well Drilling Rig / Trailer Mounted Drilling Rig / Water Well Drilling Rig / Hydraulic Borewell Machine / Hard Rock Drilling Equipment / Diamond Core Drill Rig / Geological Drilling Rig / Soil Testing Drilling Rig / Portable Water Well Drilling Rig（ST-30，ST-50，XY-1A, XY-1B, XY-2, XY-2B,GK180, GK200, GY150, GY200 and 30 impact drill rig,ZLJ series tunnel drilling rig and other geological drilling machines）Crawler Track Undercarriage, Drilling Mud Pump（BW150,BW160,BW200,BW250,BW850 series Drilling mud pumps）, Drilling Air Compressor, Water Well Drill Bits（PDC Drill Bit， Tricone Bit， DTH Button Bit）, Water Well Drill Pipe, Drilling Rig Spare Parts( drilling rods , drilling rods joint , casing pipe, casing coupling, core tube, core tube coupling, lifters, automatic drop hammer, sampler, SPT tool, wrench fork, pad fork, lock joint), Track Transporter

Good quality, professional after-sales service, welcome to order