DHD340A Mining Drill Bit with Flat-Faced Hard Rock Drilling

Product Description

DTH Drill Bits - Superior Performance in Down-the-Hole Drilling

We select high-performance steel and alloys for our drill bits, embedded with premium-grade alloy teeth to ensure efficient penetration. To meet specific customer requirements, we utilize YK05 tungsten carbide alloy, renowned for its exceptional hardness and wear resistance. Our carbide alloy sizes, shapes, and grades can be customized to cater to individual needs.

Specification

 Features

1.Starockdrill offers drill bits in every shank size, providing seamless compatibility with original products.

2.Additional heat treatment process and improved carburizing techniques enhance the durability of our drill bits.

3.Premium alloy teeth and top-quality drill steel from renowned domestic brands ensure consistent and reliable performance.

4.We offer private labeling options for our authorized distributors, boosting their brand recognition.

5.Customizable alloy tooth shapes and quantities allow us to meet individual customer requirements.

6.Concave design with enhanced drainage and sludge discharge for higher drilling efficiency.

Product Introduction

Our DTH drill bits are meticulously crafted based on customer feedback and decades of rock drilling experience.

Each drill bit is custom-tailored to deliver optimal results even in the harshest drilling conditions.

Using computer-aided design and precision CNC machining, we ensure flawless body construction.

Multiple heat treatment processes enhance hardness, while surface reinforcement improves fatigue resistance.

 These factors make our drill bits durable, efficient, and capable of achieving superior drilling performance.

Application scenarios

The versatility of our DTH Drill Bits makes them widely applicable across various industries, including open-pit mining, underground mining, tunneling, anchoring projects,tunnel construction, hydroelectric projects, quarrying, and various other construction projects.andling, land preparation.

Technical Specifications

(Custom configurations available upon request.)

Size	diameter (mm)	Hammer Shank
CIR90	90-120	CIR90
CIR110	110-145	CIR110
CIR130	130-150	CIR130
CIR150	150-180	CIR150
1''	50-64	BR1
2.5"	76 - 90	STR2.5, BR2,CWG76
3"	90 - 110	STR30,DHD3.5,COP32,COP34,Mission30,BR3, Mach33, NUMA35
4"	105 - 135	STR40,DHD340A, COP44,M40,QL40,SD4,MACH44,NUMA TD40,MACH44,MD40
5"	135 - 155	STR50,DHD350, COP54,M50,QL50,SD5,NUMA A5
6"	152 - 216	STR60,DHD360, COP64,M60,QL60,SD6,NUMA 6Q
8"	195 - 305	STR80,DHD380,COP84,M80,QL80,SD8,NUMA 80
10"	254 - 350	STR100,SD10,NUMA 100
12"	302 - 445	DHD120,QL120,SD12,NUMA 120, NUMA 125
15"	448 - 563	SD15
18	457- 660	SD18,NUMA180
24	610 - 864	NUMA240
33	838 - 1092	NUMA330

Drawings & Dimensions

Detailed CAD drawings and dimensional diagrams are available for download here or upon inquiry. Our engineering team can provide tailored designs to meet specific project requirements.

Packaging & Shipping

After Sales Service

Standard Warranty: 12 months or 2,000 operating hours (whichever comes first).
Extended Warranty: Optional coverage up to 36 months.
Global Support: 24/7 technical assistance and spare parts supply.
Training: On-site or remote operation/maintenance training.

Company Profile

HENAN STAROCKDRILL EQUIPMENT CO., LTD

Welcome to Starockdrill, a specialist manufacturer of rock drilling tools. Since our establishment in 2008, Henan Starockdrill Equipment Co., Ltd. has been committed to the research, development, and production of rock drilling tools. Our mission is to provide customers with high-quality, efficient, and reliable drilling tools and solutions, helping them enhance productivity, reduce costs, and create more value.

Why Choose Us?

Other Products

OEM/ODM capabilities
Competitive pricing & bulk discounts
Fast shipping & customs clearance support
Turnkey project solutions

DTH Hammers
DTH Drill Bits
DTH Drill Pipes
Back Hammers
Drill Rod Adapters

Certifications

Project Case

FAQ

Q: What’s the lead time for orders?
A: Standard models ship in 15–30 days; customized units require 30–45 days.

Q: Do you provide after-sales service overseas?
A: Yes, we have partnered service centers in key regions.

Q: Can I request a customized bucket size?
A: Absolutely! We offer tailored attachments.

Q: What documents do you provide for export?
A: Full export package (Commercial Invoice, Packing List, Bill of Lading, COC, etc.).

Q: How do I place an order?
A: Contact us via email/phone for a quote, then confirm with a PO.