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1×3×40L High-Accuracy Carbide Precision Center Drill
US$2.50
10 Pieces
Sample price:US$1.65/piece.Request sample
Product profile
Customization
AvailableType
Cylindrical Milling CutterMaterial
Cemented CarbideModel NO.
Center drillCoating
UncoatedTooth Form
Straight ToothTooth Space
Extra Dense ToothStructure
Insert TypeTransport Package
CartonSpecification
d3 to 20Trademark
EvergreenOrigin
ChinaHS Code
8466910000Production Capacity
1000000 PCS/MonthKey features
Superior Wear Resistance: 64-67 HRC hardness resists abrasive wear 3 times longer than standard HSS.
Wide Material Compatibility: Suitable for steel, stainless steel, cast iron, copper, aluminum, and plastics.
Customization Options: Custom geometries, flute lengths, and special coatings like TiN or TiAlN available.
Fast Sample Delivery: Samples delivered in 3-7 workdays via TNT, EMS, DHL, Fedex, or UPS.
High Toughness: Balances hardness with impact resistance to withstand high torque and stress.
Multiple Coating Choices: Available with TiN, TiAlN, TiC, or uncoated finishes based on requirements.
Company profile

Business Type: Manufacturer/FactoryExport Year: 2014-11-30Nearest Port: shanghai, shenzhenAverage Response Time: ≤8.60hTerms of Payment: T/T, PayPal, Western UnionInternational Commercial Terms(Incoterms): FOB, EXW, CIF
AI-Powered supplier vetting
SummaryZhuzhou Evergreen Hardmetal Tools Co., Ltd. is identified as a Chinese manufacturer/factory focused on cemented carbide and tungsten carbide products. It reports ISO 9000 and ISO 9001 certification, proprietary import/export rights, exports to more than 120 countries and regions, and began exporting in 2014. The supplier describes dedicated sales, engineering, and production functions, with 6–10 years of R&D engineer experience and 6–10 quality-control staff. Its stated production setup includes five production lines and reported output for tungsten carbide button bits. It also lists customized products and engineering support, indicating customization capability. However, the provided information does not establish after-sales performance, financial credibility, or named customer cases. Monetary and financial figures are omitted.
Supplier typeThe supplier is explicitly identified as a Manufacturer/Factory and as a technical enterprise engaged in the R&D, production, sales, and finishing of cemented carbide products. This supports classification as a manufacturing supplier rather than only a trading company.
CertificationsThe supplier reports ISO 9000 and ISO 9001 certification, and specifically states that it passed ISO9001:2008 Quality Management System certification. These are explicit quality-management credentials, although the current validity or scope is not provided.
R&D capabilityThe company is described as dedicated to R&D and reports 6–10 years of total R&D engineer experience. It also states that it has obtained many Chinese patents, providing explicit evidence of technical development activity.
Production capacityProduction is identified as a core company function, supported by five production lines, 50 total staff, and stated output for tungsten carbide button bits. The supplier also reports lead times of within 15 workdays in off-peak periods and one month in peak season, indicating defined production scheduling, though capacity evidence is product-specific.
Customization capabilityThe engineering function is explicitly described as providing technical recommendations and solving or studying customized products. Customized products are also listed among the main offerings, supporting a stated ability to handle customized requirements.
Product Q&A
Q:What is the cobalt content in these drill bits?
A:
The drill bits feature a precisely engineered composition with 5-8% cobalt content.
Q:What is the hardness rating of the drill bits?
A:
The hardness is 64-67 HRC, which resists abrasive wear 3 times longer than standard HSS drills.
Q:Can the drill bits be customized?
A:
Yes, custom geometries, flute lengths, and special coatings such as TiN or TiAlN can be tailored to specific industrial requirements.
Q:What materials can these drill bits be used on?
A:
They are suitable for steel, stainless steel, die steel, mold steel, carbon steel, cast iron, copper, aluminum alloys, magnesium alloys, engineering plastics, and wood.
Q:What is the delivery time for samples?
A:
Samples can be delivered in 3-7 workdays via TNT, EMS, DHL, Fedex, or UPS.
Send Inquiry
*To:
Zhu Zhou Evergreen Hardmetal Tools Co., Ltd.
Zhu Zhou Evergreen Hardmetal Tools Co., Ltd.*Content:
Supplier replies will be sent to your registered email
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