What shipping methods are available?

We support express, air, sea, and rail transport via DHL, FedEx, TNT, UPS, and EMS.

How do you guarantee product quality?

Each batch passes testing before leaving the factory, and we check the list one by one before delivery.

What is the typical delivery time?

Most goods are in stock; shipping from our warehouse to the forwarder takes about two days.

High Quality Stone Engraving Bits Diamond Core Drill Bit Set for CNC Granite Carving

Name: High Quality Stone Engraving Bits Diamond Core Drill Bit Set for CNC Granite Carving
Brand: Dongguan Diaobao Automation Equipment Co., Ltd.
SKU: 2124285795

Guangdong, ChinaDongguan Diaobao Automation Equipment Co., Ltd.

US$25.00-60.00

1 Piece

Sample price:US$30.00/piece.Request sample

Product profile

Customization

Available

Customized

Non-Customized

Standard

DIN, JIS, AISI

Model NO.

DKD-63

Length

Taper-length

Type

Twist Drill Bit

Material

Cobalt Steel Alloys

Usage

Wood Drilling, Well Drilling, PCB Drilling, Metal Drilling, Masonry Drilling

Transport Package

Paper Box Packaging

Specification

1/64 -1/2 in. x 1/64 in. rises

Trademark

DIAOBAO

Origin

China

HS Code

820750900

Production Capacity

100000pieces/Year

Key features

Vacuum Brazed Diamond Tip: Features 6mm diamond tip without iron bar for longer working life and durability.

Multilayer Diamond Body: Designed with multilayer diamond structure for superior sharpness and wear resistance.

Wide Stone Material Compatibility: Suitable for engraving, embossing, and milling on marble, bluestone, and granite.

Cost-Effective Alloy Knife: Standard angle alloy knife is easy to re-grind and suitable for inscribed characters.

Flexible Shank Diameter Options: Available in 8mm, 10mm, and 12mm shanks to match relief size and speed requirements.

Optimized Tip Size Selection: Larger tip sizes recommended for extended tool life while maintaining engraving accuracy.

ISO9001 Certified Quality: Products pass strict factory testing and 100% inspection before delivery.

Fast Warehouse Shipping: Most items in stock with 2-day dispatch time to forwarders via DHL, FedEx, or UPS.

Company profile

Importers and ExportersManagement CertificationNational Award receivedExhibition Experience

Dongguan Diaobao Automation Equipment Co., Ltd.

Guangdong, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 8 Years CertifiedNearest Port: Shenzhen PortAverage Response Time: ≤3.37h

AI-Powered supplier vetting

SummaryThe supplier demonstrates documented quality, complaint-handling, corrective-action, inspection, and supplier-assessment procedures. It holds ISO9001:2015 and CE certifications, offers customization and in-stock capacity, and reports peak- and off-season lead times within 15 workdays. Manufacturing capacity is supported by contracts with associated subcontractors. However, it has no overseas warehouse, showroom, agent, or branch, serves zero stated overseas countries, and has no Fortune 500 or popular-brand OEM experience. Financial information is inconsistent and incomplete, so financial credibility cannot be conclusively assessed. Innovation evidence includes one R&D engineer, SDK availability, and a stated science and technology progress award, but the award details are not provided.

Supplier typeThe supplier operates manufacturing-related facilities identified as an assembly line, saw machine, and welding machine, and maintains valid manufacturing-capacity contracts with associated subcontractors. It also reports in-stock service capacity, indicating a manufacturing supplier with inventory capability.

CertificationsThe supplier reports an ISO9001:2015 management-system certificate and CE product compliance certification. These are explicit certifications relevant to quality management and product conformity.

After-Sales capabilityThe supplier has documented and followed procedures for corrective and preventive actions and customer complaints, plus written procedures and records for service-capability assessment. However, it lacks overseas warehouses, showrooms, agents, and branches, so international service coverage is limited.

R&D capabilityThe supplier reports one R&D engineer, available SDK support, and one national science and technology progress award. These provide explicit evidence of some R&D and technical capability, although the scale and details of the innovation activity are limited.

Production capacityProduction capability is supported by assembly, sawing, and welding equipment, valid contracts with associated subcontractors, in-stock capacity, and stated lead times within 15 workdays in both peak and off seasons. The supplier also reports ten qualified service-capability suppliers and documented assessment procedures.

Customization capabilityThe supplier explicitly offers customization from samples, customization from designs, full customization, minor customization, and flexible customization. This indicates broad stated customization coverage.