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Best Quality Long Life Carbide Drill Bits with Coolant Hole D3 4 6 7 8
US$9.68
10-499 Pieces
US$7.03
500-999 Pieces
US$6.75
1,000+ Pieces
Product profile
Customization
AvailableCustomized
Non-CustomizedStandard
DIN, AISIModel NO.
Dex20, L62: SD4Length
Jobber-lengthType
Twist Drill BitMaterial
Solid CarbideUsage
Wood Drilling, PCB Drilling, Metal DrillingSpecification
Dex20, L62: SD4Trademark
KKTOOLOrigin
ChinaProduction Capacity
10000Key features
Solid Carbide Material: Made from high-quality solid carbide for superior durability and cutting performance.
Coolant Hole Design: Features a coolant hole for efficient heat dissipation and chip removal during drilling.
Multi-Material Compatibility: Suitable for drilling wood, PCB boards, and various metals with high precision.
Strict Quality Control: All products undergo four rigorous inspections before shipment to ensure stability.
Free Sample Support: Free samples available for testing; customer only pays for delivery costs.
Custom Tool Manufacturing: Professional R&D team capable of producing special tools based on drawings or samples.
DIN and AISI Standards: Manufactured according to international DIN and AISI standards for consistency.
Global Shipping Options: Flexible shipping via FedEx, TNT, DHL, EMS, and UPS based on order quantity.
Company profile

Business Type: Manufacturer/Factory, Trading CompanyExport Year: 2022-09-13Nearest Port: xiamenAverage Response Time: ≤2.64hTerms of Payment: T/TInternational Commercial Terms(Incoterms): EXW
AI-Powered supplier vetting
SummaryXiamen Camum Precision Tools Co., Ltd. is identified as both a trading company and manufacturer/factory in China, offering cutting tools and machining products for industries including molds, automotive, and aviation. The available information indicates three production lines, 11–20 quality-control staff, and R&D engineer experience of 6–10 years. It exports primarily to Southeast Asia, with recorded transactions involving one Mexican buyer for inserts and taps in 2025. The company states a commitment to stable quality, service, and continuous innovation, but no certifications are provided. Its stated lead times are 4–6 months off-season and 2–3 months peak season, and its export sales share is 11%–20%. Evidence is insufficient to establish financial strength, formal after-sales processes, or broad customer coverage.
Supplier typeThe supplier is explicitly classified as both a trading company and a manufacturer/factory. It is a limited company based in Fujian, China, with a stated factory location in Shanghai in another record, indicating manufacturing-related operations but also a location discrepancy requiring verification.
R&D capabilityThe company states that it continuously introduces advanced cutting and hole-machining tools and identifies continuous innovation as a business philosophy. R&D engineers are reported to have 6–10 years of total experience, supporting innovation capability, although no specific patents, new products, or development results are provided.
Production capacityThe supplier is identified as a manufacturer/factory offering inserts, cutters, end mills, drill bits, and custom tools, with three production lines and 11–20 quality-control staff. Its stated applications include mold, automotive, and aviation industries, although capacity, equipment details, and output volumes are not disclosed.
Customization capabilityThe product keywords explicitly include “Special Tool” and “Custom Tool,” indicating an offered customization capability. The slices do not provide details on customization scope, engineering process, minimum order requirements, or delivery performance for customized products.
Client casesTrade records show transactions in 2025 with HJ PRECISION CUTTING SA DE CV in Mexico for products described as inserts and taps, with one to two transactions per listed product record. This confirms at least one identifiable buyer relationship, but does not demonstrate a broad or extensive customer base.
Product Q&A
Q:Are you a trading company or manufacturer?
A:
We are an integrated manufacturing and trading company with over 10 years of experience in this field.
Q:Do you provide samples? Is it free or extra?
A:
Yes, we could offer free sample for testing as support, client will just need pay the sample deliver cost fee only.
Q:Can you produce Special carbide Tools?
A:
Yes, we can. we have our own professional R&D team that we could produce according to your drawing or sample.
Q:How can I place the order?
A:
Please send an inquiry or just contact our sales.
Q:What are the shipping methods available?
A:
We recommend the best ship to you depends on the quantity, current situation and freight rate. Options include FedEx, TNT, DHL, EMS, and UPS.
Send Inquiry
*To:
Xiamen Camum Precision Tools Co., Ltd.
Xiamen Camum Precision Tools Co., Ltd.*Content:
Supplier replies will be sent to your registered email
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