T38 Thread DTH Drill Pipe Rods - 39mm Diameter, 1220mm Length, Male-Male Connection for Mining and Construction
Price:
99-99999USD/PC
MOQ:
1PC
Delivery Time:
3-5WEEKS
Brand:
MING
Product Description
T38 Thread DTH Drill Pipe Rods with Male-Male Connection
KINGDRILLING thread drill rods are precision-engineered from high-intensity alloy steel using advanced CNC machining. The threads undergo induction hardening through fast heating and cooling processes, while precision temperature-controlled heat treatment ensures extended service life and enhanced mechanical properties.
Holistic carburization increases carbon content in the outer layer, creating a hardened steel body. The solid thread design ensures perfect fit with drill bits, enabling high-precision, efficient drilling in complex rock formations, underground mining, and open pit operations.
Technical Specifications
Available Thread Connections
R22, R25, R32, R38, T38, T45, T51
Standard Length
1220mm (4 feet)
Product Parameters
| Thread Type | Description | Length (mm) | Length (feet) | Diameter (mm) | Diameter (inch) | Weight (kg) |
|---|---|---|---|---|---|---|
| T38 | Extension rod T38-Round39-138 Flushing hole 14.5mm Wrench flat 32mm |
1220 | 4' | 39 | 1 1/2 | 10.2 |
| T38 | MF-rod T38-Round39-138 Flushing hole 14.5mm |
1220 | 4' | 39 | 1 1/2 | 13.3 |
| T38 | Hex. extension rod T38-Hex32-T38 Flushing hole 9.6mm |
1220 | 4' | 32 | 1 1/4 | 8.6 |
| T38 | Double thread rod T38-Round39-T39 Flushing hole 14.5mm Wrench flat 32mm |
3050 | 10' | 46 | 1.75 | 25.7 |
| T38 | Guide speedrod T38-Round46-T38 Flushing hole 17mm |
1830 | 6' | 46 | 1 3/4 | 23.5 |
Ordering Information
Order Guide: Thread type + Diameter + length
Product Advantages
High Quality: High carbon steel with advanced processing
Competitive Pricing: Direct factory pricing
Problem-Solving Capability: Extensive industry experience
Fast Delivery: 25 days production time, 2-3 days if in stock
Quality Control: Experienced QC team with strict inspection
Custom Services: OEM and ODM capabilities
After-Sales Support: On-site problem resolution
Key Features
Surface Hardening Treatment: Extended operating life with excellent anti-wear properties
Structural Optimization: Enhanced strength for easy operation
Superior Performance: Stable, reliable operation with high drilling speed
Frequently Asked Questions
What is a drill rod?
A drill rod is a form of bar stock machined to produce tools such as drill bits, taps, dowel pins, shafts, reamers, files, punches and hammers. It's soft enough to shape but can be heated to revert to hardness. Drill rods are manufactured from tool steel ground to tight tolerance diameters.
What type of steel is drill rod made of?
Drill rod is made of annealed tool steel with a Rockwell hardness ranging from 96 to 110 rb. It is typically soft enough for machining while being hard enough for some applications without heat treatment.
How are drill rods made?
Drill rods are manufactured by cutting a pin and a box thread directly onto the steel tube, creating a one-piece construction.
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Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.
Company
Wuhan Kingdrilling Diamond Co.,Ltd
Location
1-2-905 California Sunshine, Optical Valley Street,Wuhan 430074, China
Contact Person
Wendy Chen