What is the lead time for orders?

During peak season, the lead time is one month; during off-season, it is 1-3 months.

What payment terms do you accept?

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

What is the certification standard?

The product meets the CE standard for quality and safety.

Tungsten 26-42 mm Hard Rock Drill Bit Drill Bit for Rock

Name: Tungsten 26-42 mm Hard Rock Drill Bit Drill Bit for Rock
Brand: Shandong China Coal Industrial & Mining Supplies Group Co., Ltd.
SKU: 2002812012

Shandong, ChinaShandong China Coal Industrial & Mining Supplies Group Co., Ltd.

US$7.00-25.00

1 Piece

Sample price:US$20.00/piece.Request sample

Product profile

Customization

Available

Customized

Standard

Model NO.

Drill Bit

Length

Taper-length

Type

Core Drill Bit

Material

Tungsten Carbide

Usage

Rock Drilling

Drill Type

Chisel Drill Bit

Tip Size

13*8

Taper

Weight

0.24kg

Transport Package

Carton Box, Plastic Bagsor as Your Payment

Specification

Trademark

China Coal

Origin

China

Production Capacity

1000 Sets Per Month

Key features

Tungsten Carbide Material: Made of high-quality tungsten carbide for superior durability and wear resistance.

Customized Taper Degree: Taper degree can be adjusted according to specific customer requests.

Diverse Diameter Options: Available in diameters ranging from 20mm to 60mm to suit various drilling needs.

Short and Long Skirt Styles: Offers short skirt (approx. 50mm) and long skirt (75-80mm) options based on height.

Optimized for Middle Rock: Designed specifically for drilling holes within 50mm diameter in middle rock.

Compatible with Light-Duty Drills: Works effectively with light-duty drills such as Y6, Y10, and Y24 models.

CE Standard Compliance: Meets CE standard requirements for safety and quality assurance.

Traditional Chisel Design: Features a classic chisel drill bit design with a long history of global usage.

Company profile

Self-brandedOverseas Services100% Finished Products InspectionProduct Certification

Shandong China Coal Industrial & Mining Supplies Group Co., Ltd.

Shandong, China

Business Type: Manufacturer/Factory, Trading Company, Group CorporationExport Year: 2010-07-01Nearest Port: qingdao/ningbo/dalianAverage Response Time: ≤2.25hTerms of Payment: LC, T/T, D/P, etc.International Commercial Terms(Incoterms): FOB, EXW, CFR, CIF, DAT, FAS, DDP, DAP, CIP, CPT, FCA

AI-Powered supplier vetting

SummaryChina Coal is identified as a combined company with manufacturing, export, service, quality-control, and R&D capabilities. It reports ISO9001:2008, ANAB, UKAS, and SGS-related certifications or credentials, alongside quality-related national and industry honors. The supplier offers customization, ODM, OEM for popular brands, SDK availability, and documented quality and supplier-service procedures. It has 12 quality inspectors, in-stock capability, valid contracts with associated subcontractors, and approximately one-month lead times in both peak and off-season periods. Overseas services include debugging, maintenance, repair, training, and installation in Denmark, Colombia, India, and Georgia. However, it reports no overseas warehouse, showroom, agent, or branch, and the provided evidence does not establish specific customer names or independently verify financial strength.

Supplier typeThe supplier is explicitly classified as a combined company and presents offerings spanning export trade, manufacturing, service, quality control, R&D, and sustainable development. It is also identified as a non-offshore company name, indicating a directly identified operating supplier rather than an offshore entity.

CertificationsThe company description states that China Coal has passed ISO9001:2008, United States ANAB management-system, and United Kingdom UKAS management-system certifications. It also cites SGS certification and several national quality, reputation, conformity-assessment, and credit honors; the slices do not provide certificate numbers, validity dates, or scope details.

After-Sales capabilityThe supplier provides overseas debugging, maintenance, repair, training, and equipment installation in Denmark, Colombia, India, and Georgia, and has participated in an offline trade show. It reports no overseas warehouse, showroom, agent, or branch, so service coverage exists but lacks those overseas facilities and channels.

R&D capabilityThe supplier reports new products during the past year, provides ODM services, and has an available SDK. These statements directly support active R&D and product-development capability, although no R&D staffing, patents, or quantified development results are supplied.

Production capacityProduction-related evidence includes cutting, painting, sawing, and shearing equipment; valid contracts with each associated subcontractor; in-stock capability; 78 qualified service-capability suppliers; and approximately one-month lead times in both off-season and peak season. The supplier also has documented supplier-service procedures and corrective/preventive-action records.

Customization capabilityBoth R&D and design-capability records explicitly list customization from samples, customization from designs, full customization, minor customization, and flexible customization. The supplier therefore demonstrates a broad stated customization range across design and R&D functions.