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HRC55 8d 3-20mm Internal Coolant Tungsten Carbide Twist Drill Bit for CNC Machine
US$5.68
1-99 Pieces
US$5.34
100-499 Pieces
US$5.21
500+ Pieces
Sample price:US$0.10/piece.Request sample
Product profile
Customization
AvailableCustomized
CustomizedStandard
DINModel NO.
Drilling toolsLength
Taper-lengthType
Twist Drill BitMaterial
Solid CarbideUsage
Wood Drilling, PCB Drilling, Metal DrillingEnd Type
SpiralWorkpiece Material
Steel/Cast Iron/Stainless SteelFlute
2/3flutesColor
Tisin/BronzeHRC
45/55/60/65HRCDiameter
3-20mmService
OEM/ODM AvailableRelated Products
Spot Drill/Chamfer Drill/Center Drill/Step DrillApplicable Machines
CNC Centers/Engraving MachinesTransport Package
1 PC in a Plastic Tube, 10PCS a GroupSpecification
Standard&CustomizedTrademark
BUYTOPOrigin
Zhuzhou, ChinaHS Code
8207509000Production Capacity
5000000PCS/YearKey features
Internal Coolant Design: Guarantees efficient chip removal and significantly improves cutting performance.
Extended Tool Life: Enhances durability and prevents premature tool breaking for considerable cost savings.
Customizable Coating Options: Available in AlTiN, TiSiN, NACO BLUE, and other coatings for various HRC levels.
Multiple Flute Configurations: Offers 2 flutes and 3 flutes options to suit different drilling requirements.
Wide Size Range: Diameter range from 3mm to 20mm with customization available for specific needs.
OEM/ODM Services: Laser logo engraving and customized packaging available for brand owners.
High Hardness Capability: Suitable for drilling materials up to HRC65 with specialized coating technology.
Fast Delivery Time: Standard delivery within 2-3 days; customized products shipped within 7-10 days.
Company profile

Business Type: Manufacturer/FactoryExport Year: 2018-12-01Nearest Port: Guangzhou, Shanghai, ShenzhenAverage Response Time: ≤2.49hTerms of Payment: LC, T/T, PayPal, etc.International Commercial Terms(Incoterms): FOB, EXW, CFR, CIF, DAT, FAS, DDP, DAP, CIP, CPT, FCA
AI-Powered supplier vetting
SummaryThe supplier appears to be a carbide tools manufacturer with strong customization, OEM, and ODM capabilities. It states that it is a national high-tech enterprise, follows an ISO certification system, conducts pre-delivery inspections, and supports product design and targeted solutions. Customization from samples, designs, minor modifications, and full customization is available, with reported successful cases across industries. Production-related strengths include advanced processing equipment, conventional-model stock, and lead times within 15 workdays in both peak and off-season periods. However, the supplier reported no new products in the past year, no SDK, no in-stock service capacity in the assessment record, and no overseas warehouse, showroom, agent, or branch. Service-capability procedures lack records, and corrective/preventive-action procedures are absent. Financial records are indicated for recent years, but the provided data does not show financial results or sufficient evidence to assess...
Supplier typeThe supplier describes itself as providing tungsten carbide materials and carbide tools, supported by processing equipment and a complete product range. Its stated OEM and ODM capabilities further indicate that it operates as a manufacturer and custom-product supplier rather than only a trading intermediary.
CertificationsThe supplier explicitly states that it is a national high-tech enterprise and that products are produced in accordance with an ISO certification system. The specific ISO standard or certificate details are not provided, so the evidence supports certification-related capability but not verification of a particular certificate.
After-Sales capabilityThe supplier states that it performs strict quality inspection before delivery and offers free returns for product quality problems, as well as design and targeted-solution support. However, its service-capability procedures have no records, its corrective/preventive-action mechanism has no written procedures or records, and it reports no overseas service infrastructure.
Production capacityThe supplier cites strong technical strength, advanced processing equipment, strict pre-delivery inspection, a complete product range, and substantial stock of conventional models. Reported average lead times are within 15 workdays in both peak and off-season periods, while customized products are stated to be deliverable in as little as 7 days.
Customization capabilityThe supplier supports customization from samples and designs, minor and flexible customization, and full customization. It also offers ODM and OEM services, reports strong non-standard customization capability, and cites successful customization cases across industries.
Client casesThe supplier reports many successful customization cases across various industries and states that it has helped customers improve cost performance and market share. It also claims OEM service for well-known brands, but no customer names, project details, or independently verifiable case evidence are provided.
Product Q&A
Q:Are you manufacturer or trading company?
A:
We are professional manufacturer with more than 21 years experience in this field of carbide tools.
Q:When can I get the price?
A:
We usually quote within 24 hours after receiving your inquiry. If you need a quote urgently, please let us know in your email so we can prioritize your inquiry.
Q:What is your payment terms?
A:
T/T, Western Union, Made-in-China assurance for different circumstances.
Q:What's your delivery way?
A:
Express delivery, DHL, TNT, FEDEX , EMS, air shipping, sea shipping are available for your request.
Q:Do you offer OEM?
A:
Yes, we do. We have laser machine lasering your logo and tool specification on the body of tools. Also, we can print customized on plastic boxes.
Send Inquiry
*To:
Zhuzhou Buytop Tungsten Carbide Co., Ltd
Zhuzhou Buytop Tungsten Carbide Co., Ltd*Content:
Supplier replies will be sent to your registered email
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