What is the lead time for production?

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

What payment terms are accepted?

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

What is the maximum hole diameter this bit can drill?

It is generally used to drill holes within a diameter of 50mm in middle rock.

Rock Bits Tungsten Carbide Chisel Drill Bit

Name: Rock Bits Tungsten Carbide Chisel Drill Bit
Brand: Shandong China Coal Industrial & Mining Supplies Group Co., Ltd.
SKU: 1999414262

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

US$7.00-25.00

1 Piece

Sample price:US$80.00/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 durability in rock drilling.

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

Wide Diameter Range: Available diameters range from 20mm to 60mm for various drilling needs.

Short and Long Skirt Options: Short skirt bits are approx 50mm, while long skirt bits are 75-80mm.

Light-Duty Drill Compatible: Designed for use with light-duty drills like Y6, Y10, and Y24.

CE Standard Certified: Product meets CE standard requirements for safety and quality.

Proven Historical Design: Traditional design with a long history of widespread global usage.

Optimized for Middle Rock: Specifically engineered for drilling holes within 50mm diameter in middle rock.

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.