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High Hardness Tungsten Solid Carbide Twist Drill Bits for Metal Drilling
US$12.07
2-29 Pieces
US$11.47
30-49 Pieces
US$10.86
50-99 Pieces
US$10.62
100+ Pieces
Sample price:US$12.00/piece.Request sample
Product profile
Customization
AvailableLength
38-330mmType
Twist Drill BitModel NO.
eitfs3520Material
Tungsten CarbideUsage
Wood Drilling, Well Drilling, PCB Drilling, Metal Drilling, Masonry DrillingFlute Diameter
0.3-40mmDia Size
4mm-40mmPrecision
0.005~-0.01mmOver All Length
38-330mmHRC
40/45/55/65HRCUse
Metal Drilling, Metal DrillingSuitable for
Coper.Cast Iron.Carbon Steel.Mould SteelTransport Package
Each Piece with Plastic Box in Carton.Trademark
eitfsOrigin
ChinaProduction Capacity
3000 Piece/Pieces Per MonthKey features
High Hardness Options: Available in HRC45, HRC55, HRC58, HRC60, and HRC65 for diverse metal drilling needs.
Advanced Coatings: Features AlTiN, TiAlN, TiN, DLC, Nano, and Diamond coatings for heat resistance.
Customizable Dimensions: Flute diameter 0.3-40mm, length 38-330mm, and precision 0.005~-0.01mm are customizable.
Enhanced Chip Breaking: Special designed drill tip improves centering ability and chip breaker efficiency.
Inner Coolant Design: Smooth and wide flute with inner coolant removes cuttings easily for high-speed processing.
OEM/ODM Support: Full customization from samples or designs is accepted for tailored tooling solutions.
High Precision Quality: Manufactured with high toughness grain-sized carbon tungsten and polished surface treatment.
Broad Material Compatibility: Suitable for copper, cast iron, carbon steel, mold steel, stainless steel, and titanium alloy.
Company profile
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: 10 years CertifiedNearest Port: Shanghai PortAverage Response Time: ≤7.22h
AI-Powered supplier vetting
SummaryThe supplier demonstrates broad customization, ODM capability, recent product development, OEM experience for recognized brands, and quality assurance supported by ISO9001:2015 certification. It reports inventory capability, participation in EMO Hannover, two production lines, annual cutting-tool output of 1,500,000 pieces, and export coverage across East Asia, Europe, Australia, North America, and domestic markets. However, several management controls are incompletely documented: corrective-action, complaint-handling, supplier assessment, and manufacturing-capacity procedures reportedly lack records. The supplier has no overseas agents, branches, warehouse, or showroom, lacks an environmental impact assessment report and SDK, and has no valid manufacturing contract with affiliated subcontractors. Financial information is insufficient for a reliable credibility assessment.
Supplier typeThe supplier appears to be a manufacturer serving domestic and international markets, with two production lines, stated cutting-tool output, inventory capability, and OEM/ODM service capability. It also uses or may rely on affiliated subcontractors, but no valid manufacturing contract with those subcontractors is reported.
CertificationsThe supplier reports an ISO9001:2015 certificate, providing explicit evidence of a quality-management certification. No other certification is identified in the provided information.
R&D capabilityThe supplier reports new products during the past year, provides ODM services, and supports multiple design-service modes. However, it has no available SDK, so its innovation offering is stronger in product development and design customization than in SDK-based integration.
Production capacityThe supplier reports inventory capability, two production lines, 1,500,000 pieces of annual cutting-tool output, and lead times within one month or within 15 workdays depending on the slice. Nevertheless, it lacks a valid contract with affiliated subcontractors, does not continuously reconcile production quantities, and has no outsourcing SOP.
Customization capabilityThe supplier explicitly offers customization from samples, customization from designs, full customization, minor customization, flexible customization, and ODM services. This is direct evidence of broad customization capability.
Product Q&A
Q:What are the payment terms?
A:
T/T 30% as deposit, and 70% before delivery. Photos of products and packages are shown before the rest payment.
Q:What are the delivery terms?
A:
We accept EXW, FOB, CFR, CIF, and other standard international commercial terms.
Q:What is the delivery time?
A:
Generally 10-15 days after receiving advance payment, depending on items and order quantity.
Q:Are samples available and free?
A:
Stock samples are free, but you pay freight. Custom cutting tool samples are negotiated and quoted separately.
Q:What hardness options are available?
A:
We provide HRC45, HRC55, HRC58, HRC60, and HRC65 options for different drilling requirements.
Send Inquiry
*To:
CHANGZHOU AITEFASI TOOLS CO., LTD.
CHANGZHOU AITEFASI TOOLS CO., LTD.*Content:
Supplier replies will be sent to your registered email
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