What is the minimum order quantity?

The minimum order quantity is 1 set.

What are the payment terms?

We accept LC, T/T, D/P, PayPal, Small-amount payment, and Western Union.

What is the average lead time?

The average lead time is within 15 workdays for both peak and off-season.

Hot Sell Concentric Overburden Drilling Hole Ange 108-135mm DTH Drill Bit

Name: Hot Sell Concentric Overburden Drilling Hole Ange 108-135mm DTH Drill Bit
Brand: Ji Ning Hengwang Mining Machinery Co., Ltd.
SKU: 907917315

Shandong, ChinaJi Ning Hengwang Mining Machinery Co., Ltd.

US$1,500.00-2,000.00

2 Pieces

Sample price:US$1500.00/piece.Request sample

Product profile

Customized

Length

Taper-length

Type

Center Drill Bit

Model NO.

100mm

Material

High Carbon Steel

Usage

Well Drilling

Product Name

Concentric Casing Systems Drilling Tools

Casing Tube O.D.

168mm

Bit Diameter

146mm

Casing Shoe I.D.

140mm

Maximum Reaming O.D.

184mm

Hammer Style

Transport Package

Standard Export Packing

Specification

146-377mm

Trademark

Origin

China

HS Code

8207501000

Production Capacity

3000pieces/Month

Key features

Simultaneous Drilling & Casing: Designed to drill and case holes simultaneously through unstable ground conditions.

High Penetration Rate: Full face head design with reusable ring significantly improves penetration and hole straightness.

Effective Sealing System: Internal flushing grooves and built-in casing shoes minimize disruption to surrounding soil.

Versatile Application Scope: Suitable for water wells, geothermal wells, dams, harbors, and building grouting projects.

High Carbon Steel Material: Constructed from high carbon steel for durability and performance in well drilling.

Customizable Specifications: Offers customization options for product name, casing tube OD, bit diameter, and hammer style.

Complete Support Package: Includes manuals, videos, and on-site instruction for installation and operation.

Company profile

High Repeat Buyers ChoiceR&D CapabilitiesSelf-brandedOverseas Warehouse

Ji Ning Hengwang Mining Machinery Co., Ltd.

Shandong, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 13 years CertifiedNearest Port: Qingdao PortAverage Response Time: ≤9.26h CertifiedTerms of Payment: LC, T/T, D/P, etc.

AI-Powered supplier vetting

SummaryHengwang is a machinery and equipment supplier covering drilling machinery, engineering machinery, components, mining tools, hydraulic and pneumatic tools, construction equipment, and related accessories. It operates three production lines and reports defined output across several product categories, with exports to South America, Southeast Asia, the Middle East, and Europe. The supplier demonstrates customization capability, quality-control procedures, material traceability, complaint-handling records, overseas service offerings, and CE certification. However, it does not provide OEM services for popular brands, has no available SDK, and evidence for customer cases and financial strength is insufficient because the supplied financial fields identify years rather than substantive financial indicators.

Supplier typeThe supplier is a manufacturer and seller of mining, drilling, hydraulic, construction, and engineering machinery and accessories. Its stated scope includes production, processing, sales, and general import/export, while its product portfolio covers more than 40 categories across drilling machinery, engineering machinery, and components.

CertificationsThe supplier reports CE certification and states that its quality-control process includes quality assurance and traceability of raw materials. These are explicit indicators of certification and supporting quality-control practices.

After-Sales capabilityThe supplier has a documented complaint-handling procedure with follow-up records, a corrective and preventive action procedure with records, and overseas services including debugging, maintenance, repair, training, and equipment installation in Indonesia. Peak- and off-season lead times are both stated as within 15 working days, although supplier-service assessment records are incomplete.

R&D capabilityThe company describes a comprehensive product research and development layout driven by technological innovation and covering drilling, engineering, and component products. However, it reports no available SDK and no OEM service for popular brands, so the evidence supports product-development activity but not a broader technology-integration or branded-OEM advantage.

Production capacityThe supplier operates three production lines and reports annual output of 1,000 pile drivers, 1,500 water well drilling rigs, 2,000 road machinery units, 3,000 construction equipment units, and 10,000 hydraulic tool sets. It also has 28 quality assurance and quality control inspectors, indicating established production and quality-control capacity.

Customization capabilityThe supplier explicitly supports customization from samples, customization from designs, full customization, and minor customization. The range of stated options indicates broad accommodation of customer-specific requirements.

Product Q&A

Q:Are you a factory or trader?

We are a factory, has passed ISO, contact me showing you the factory;

Q:What kind of drilling rigs you have?

We mainly did hydraulic driling rig for soils, pneumatic drilling rig for rocks, DTH drilling rig, big diameter drilling rig, engineering drilling rig, geological exploration drilling rig etc, so you can tell me your requirements, would recommend you the suitable one.

Q:What certificate you have?

CE, ISO, BV, TUV

Q:Do you offer training?

Each model we have supplementary instruction mannual, video for installation and operation, calling instruction, and working site instruction.

Q:How about the warranty?

We machine warranty is 1 year, used famous brand parts help you find locally; Also 3 spare parts center guarantee you get the spare parts in time.Please send inquiry now.