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Factory Wholesale HRC55 Tungsten Steel Solid Carbide 3D/5D Internal Coolant Drill Bits
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.
Carbide drillsLength
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: Internal cooling holes ensure efficient chip removal and reduce heat development during machining.
High Hardness Options: Available in HRC45, HRC55, HRC60, and HRC65 grades for various material drilling needs.
Customizable Specifications: Diameter 3-20mm, 2 or 3 flutes, and various coatings like TiSiN and AlTiN are customizable.
Extended Tool Life: Enhanced tool life and prevention of premature breaking lead to considerable cost savings.
Professional Manufacturer: Over 21 years of experience in manufacturing and designing carbide cutting tools.
OEM/ODM Service: We offer logo laser engraving and customized packaging for OEM and ODM requests.
Fast Delivery: Standard delivery within 2-3 days; customized products delivered within 7-10 days after payment.
Flexible MOQ: Fixed MOQ exists, but flexible pricing is available for smaller quantities.
Company profile

Business Type: Manufacturer/FactoryExport Year: 2018-12-01Nearest Port: Guangzhou, Shanghai, ShenzhenAverage Response Time: ≤2.45hTerms 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 a manufacturer or trading company?
A:
We are a professional manufacturer with more than 21 years of experience in the field of carbide tools.
Q:What are your payment terms?
A:
We accept T/T, Western Union, and Made-in-China assurance for different circumstances.
Q:What is the delivery time?
A:
Usually, delivery time is 2-3 days after receiving the advance payment. For customized products, it is 7-10 days after receiving the advance payment.
Q:Do you offer OEM services?
A:
Yes, we do. We have laser machines to engrave your logo and tool specifications on the body of tools. Also, we can print customized designs on plastic boxes.
Q:What is the MOQ?
A:
We have a fixed MOQ for each of our products. However, if you need less, it is okay, as we will adjust the price according to your quantity.
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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