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China Factory Tungsten Carbide Twist Drill Bits for Aluminium
US$3.40
5-19 Pieces
US$3.21
20-49 Pieces
US$3.02
50+ Pieces
Sample price:US$5.00/piece.Request sample
Product profile
Customized
CustomizedStandard
ChinaLength
Taper-lengthModel NO.
Carbide Twist Drill BitType
Twist Drill BitMaterial
Tungsten CarbideUsage
Wood Drilling, Well Drilling, Metal DrillingOver All Length
38-330mmPrecision
0.005~-0.01mmTransport Packing
Each Piece with Plastic Box in CartonFlute Diameter
0.3-40mmHRC
45/55/60/65HRCControlling Mode
CNC Tooling SystemFinish Surface
Plain Surface, The Side, SocketTransport Package
Carton PackingSpecification
Multiple specificationsTrademark
WEIYUOrigin
ChinaHS Code
8207709000Production Capacity
5000 Piece/Pieces Per MouthKey features
Wide Material Compatibility: Suitable for copper, cast iron, carbon steel, stainless steel, and titanium alloy.
Advanced Coating Options: Available with AlTiN, TiAlN, TiSiN, DLC, and Diamond coatings.
Customizable Dimensions: Overall length customizable from 38mm to 330mm.
Rapid Delivery: Delivery time within 3 to 5 days for standard orders.
OEM and ODM Services: Full customization available from samples or designs.
Special Cutting Edge Design: Enhanced cutting ability extends tool and machine lifetime.
Company profile

CHANGZHOU WEIYU TOOLS FACTORYJiangsu, China
CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 1 Year CertifiedNearest Port: Shanghai PortAverage Response Time: ≤15h
AI-Powered supplier vetting
SummaryCHANGZHOU WEIYU TOOLS FACTORY is a China-based limited company established in 2004 with 18 employees and one production line. It supplies carbide end mills and carbide drills, reporting annual output of 40,000 solid carbide end mills and 30,000 carbide drills. The supplier states that it holds ISO9001 certification and offers extensive customization, including design- and sample-based customization. It also reports OEM service for popular brands. However, quality assurance is explicitly indicated as unavailable, finished-product inspection has instructions but no written records, and complaint-handling and corrective-action procedures lack written records. R&D resources are limited to one engineer, with no SDK availability. Export experience is limited, with exports representing 1%–10% of sales and beginning one year ago. Financial and sustainability-related evidence is insufficient for a firm assessment.
Supplier typeThe supplier is CHANGZHOU WEIYU TOOLS FACTORY, a China-based limited company operating in Jiangsu and established in 2004. It is not part of a larger company group and specializes in carbide cutting tools, particularly carbide end mills and carbide drills.
CertificationsThe supplier states that it has passed ISO9001 quality management system certification. However, the quality-control assessment separately states that quality assurance is not available, so the evidence supports certification holding but also indicates weaknesses in practical quality-assurance implementation.
Production capacityThe supplier operates one production line and reports annual output of 40,000 solid carbide end mills and 30,000 carbide drills, supported by CNC, grinding, laser-marking, lathe, and notch-grinding equipment. However, it does not conduct ongoing quantity reconciliation for batches and has no standard operating procedure for outsourced manufacturing, indicating production-control weaknesses.
Customization capabilityThe supplier explicitly offers customization from samples, designs, full customization, minor customization, and flexible customization. Its product description also states that it produces specially customized cutting tools, providing direct evidence of broad customization capability.
Product Q&A
Q:What is the hardness of the drill bits?
A:
The hardness ranges from HRC45 to HRC65, with standard options at HRC55-58.
Q:Can the drill bits be customized?
A:
Yes, we offer full customization, minor customization, and flexible customization from samples or designs.
Q:What materials can these drill bits process?
A:
They are suitable for carbon steel, alloy steel, mold steel, cast steel, copper, cast iron, stainless steel, titanium alloy, and heat-treated steel.
Q:What is the delivery time?
A:
The standard delivery time is 3 to 5 days.
Q:What coating options are available?
A:
Available coatings include AlTiN, TiAlN, TiSiN, TiN, DLC, Nano, and Diamond.
Send Inquiry
*To:
CHANGZHOU WEIYU TOOLS FACTORY
CHANGZHOU WEIYU TOOLS FACTORY*Content:
Supplier replies will be sent to your registered email
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