How about your after-sales service?

We can offer technology support to slove all problems. If quality problem, goods can be return or replaceable.

What is your payment items?

Usually 30% deposit in advance by TT, delivery against balance. L/C is also OK!

What is your delivery time?

7~21 days upon receiving deposit.

Plastic box (inner), wooden case (outer).

Where is your factory?

Changzhou city,Jiangsu province, China.

Heavy-Duty Rock Drill Bits with Innovative Bullet Teeth Technology

Name: Heavy-Duty Rock Drill Bits with Innovative Bullet Teeth Technology
Brand: Changzhou Prance International Trade Co., Ltd.
SKU: 721244745

Jiangsu, ChinaChangzhou Prance International Trade Co., Ltd.

US$6.50

1-49,999 Pieces

US$2.50

50,000+ Pieces

Sample price:US$6.50/piece.Request sample

Product profile

Customization

Available

After-sales Service

Yes

Warranty

Yes

Model NO.

C21HD

Certification

ISO 9001:2008

Condition

New

Drill Hole Diameter

150-200mm

Drill Hole Depth

<10m

Drilling Way

Rotary

Type

Auger Teeth

Body Material

AISI4140

Tip Material

Tungsten Carbide

Hardness

HRC40~44

Weight

0.23 Kg/PC

Transport Package

Carton/Plastic Box + Wooden Case

Trademark

Prance

Origin

Changzhou, China

HS Code

84314320

Production Capacity

50000PCS/Month

Key features

Advanced Bullet Teeth Design: Optimized for drilling hard rock and concrete with high efficiency.

Durable Material Composition: Body made of AISI4140 steel with Tungsten Carbide tips for longevity.

ISO 9001:2008 Certified: Manufacturing process strictly adheres to international quality standards.

Comprehensive OEM Service: Full customization available from samples, designs, or minor adjustments.

Wide Compatibility Range: Compatible with Kennametal, Betek, and other major brand equipment models.

Strict Quality Inspection: 100% visual inspection performed by packing staff before delivery.

Flexible Payment Options: Accepts T/T, L/C, D/P, PayPal, Western Union, and small-amount payments.

Fast Delivery Time: Ships within 7 to 21 days after receiving the deposit.

Company profile

High Repeat Buyers ChoiceYears of Export ExperienceIn-stock Capacity100% Finished Products Inspection

Changzhou Prance International Trade Co., Ltd.

Jiangsu, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 15 Years CertifiedNearest Port: Shanghai PortAverage Response Time: ≤1.79h

AI-Powered supplier vetting

SummaryThe supplier is identified as a combined company and a professional technical supplier offering 3D software design, OEM, ODM, and multiple customization options. It reports production capacity of 600,000 pieces annually for each of five tooth and pick product categories, supported by CNC, lathe, forging, punching, and drilling equipment. Manufacturing contracts with associated subcontractors and in-stock capability are stated. Quality management includes written warehouse procedures and records, but no quality-control testing equipment is reported, and no supplier-management-system certification is listed. R&D resources are limited to one engineer, with no new products reported in the past year and no SDK available. Overseas service coverage is limited: there are no overseas warehouses, showrooms, agents, branches, or reported overseas-service countries. Lead times are stated as within 15 working days in both peak and off-season periods. Financial figures are excluded from this assessment.

Supplier typeThe supplier is explicitly described as a professional technical supplier and its company type is listed as combined. It also provides manufacturing, service, quality, R&D, export, and other supplier capabilities.

CertificationsThe supplier management-system certification field is explicitly recorded as NIL. No certification evidence is provided in the investigation slices.

After-Sales capabilityOne technology engineer is responsible for confirming customer requirements and providing technical support for after-sales service, and the supplier reports in-stock capability and lead times within 15 working days. However, it has no overseas warehouse, showroom, agent, branch, or reported overseas-service country, while its service-capability assessment has no written procedures or retained records.

R&D capabilityThe supplier offers 3D software design, full and flexible customization, and ODM services, but it reports no new products in the past year, no available SDK, and only one R&D engineer. This demonstrates design support but not strong recent product innovation.

Production capacityThe supplier reports annual productivity of 600,000 pieces for each of five product categories, operates two production lines, and has CNC, lathe, forging, punching, and drilling facilities. It also states that valid manufacturing-capacity contracts exist with each associated subcontractor and that in-stock service is available.

Customization capabilityThe supplier explicitly supports customization from samples, customization from designs, full customization, minor customization, and flexible customization. It also provides 3D software design services, indicating support for design-based customization.

Client casesThe supplier states that it provides OEM services for popular brands, which is direct evidence of brand-related customer experience. However, no named customers, project descriptions, or other case details are provided.