What is the precision tolerance of the drill bit?

The precision tolerance is 0.01mm, ensuring high accuracy for metal drilling applications.

Tungsten Carbide Internal Coolant Drill Bit for Ductile Iron

Name: Tungsten Carbide Internal Coolant Drill Bit for Ductile Iron
Brand: CHANGZHOU AITEFASI TOOLS CO., LTD.
SKU: 878688575

Jiangsu, ChinaCHANGZHOU AITEFASI TOOLS CO., LTD.

US$13.00-50.00

5 Pieces

Sample price:US$13.00/piece.Request sample

Product profile

Customization

Available

Customized

Standard

JIS, AISI, TUV

Model NO.

1081

Type

Twist Drill Bit

Material

Solid Carbide

Usage

Metal Drilling

Flute Diameter

3-40

Overall Length

50-330

Precision

0.01mm

HRC

45/50/55/60/65

Coating

Altin/Tialn/Helica etc

Delivery

7-15 Working Days

Suitable for

Steel,Stainless Steel,Cast Iron etc

Flute Number

Transport Package

Plastic Box

Trademark

eitfs

Origin

China

HS Code

8207509000

Production Capacity

100000/Year

Key features

Customizable Dimensions: Flute diameter 3-40mm and overall length 50-330mm are fully customizable.

Advanced Coating Options: Offers AlTiN, TiAlN, TiSiN, and AlTiSiN coatings for superior oxidation resistance.

High Precision Accuracy: Achieves tight precision tolerance of 0.01mm for accurate metal drilling.

Flexible Customization: Supports full customization from samples, designs, and minor adjustments.

Internal Coolant Design: Available with or without inner coolant channels for efficient heat dissipation.

Rapid Delivery: Standard delivery time is 7-15 working days for customized orders.

Strict Quality Control: 100% visual and function inspection with full raw material traceability.

Company profile

Management CertificationR&D CapabilitiesIn-stock Capacity

CHANGZHOU AITEFASI TOOLS CO., LTD.

Jiangsu, 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: 10 years CertifiedNearest Port: Shanghai PortAverage Response Time: ≤5.91h

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 available customization options?

We offer full customization from samples or designs, including minor and flexible customization. Specific parameters like flute diameter (3-40mm), length (50-330mm), precision (0.01mm), and hardness (HRC 45-65) can be tailored.

Q:What is the minimum order quantity (MOQ)?

The minimum order quantity is 10 pieces.

Q:What are the payment terms?

We accept T/T, D/P, PayPal, Western Union, Small-amount payment, and LC.

Q:What is the lead time for production?

The standard delivery time is 7-15 working days. During peak seasons, the lead time may extend to one month.

Q:Is OEM/ODM service available?

Yes, both OEM and ODM services are available. We have 2 R&D engineers and support customization from samples and designs.