Does the drill bit support coolant through?

Yes, the drill bit is available with inner coolant channels to improve cooling and chip removal during metal drilling.

What payment terms do you accept?

We accept T/T, D/P, PayPal, Western Union, small-amount payments, and L/C.

Is quality inspection performed before shipment?

Yes, we perform 100% inspection on finished products, including visual and functional inspections, following strict QA/QC procedures.

Perfect Finish Machining 8d Carbide Twist Drill Bit with Coolant Through

Name: Perfect Finish Machining 8d Carbide Twist Drill Bit with Coolant Through
Brand: CHANGZHOU AITEFASI TOOLS CO., LTD.
SKU: 884856095

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.

1132

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: Available with AlTiN, TiAlN, TiSiN, and AlTiSiN coatings for enhanced wear resistance.

Coolant Through Design: Features inner coolant channels to improve heat dissipation and drilling efficiency.

High Precision Tolerance: Achieves precision up to 0.01mm for accurate metal drilling applications.

Versatile Hardness Grades: Offers HRC 45, 50, 55, 60, and 65 options to suit different material requirements.

OEM/ODM Service: Supports full customization from samples or designs with flexible manufacturing options.

Fast Delivery Time: Standard delivery within 7-15 working days for efficient project turnaround.

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: ≤6.92h

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 customization options for this drill bit?

We offer full customization including flute diameter (3-40mm), overall length (50-330mm), precision (0.01mm), hardness (HRC 45-65), and coating types. OEM and ODM services are also available.

Q:What materials can this carbide drill bit be used for?

This drill bit is suitable for drilling steel, stainless steel, cast iron, and other metals. It features high resistance to oxidation and abrasion.

Q:What coating options are available?

We provide various advanced coatings including AlTiN, TiAlN, TiSiN, AlTiSiN, and TiN. These coatings enhance hardness, reduce friction, and increase oxidation temperature resistance.

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

The minimum order quantity is 10 pieces.

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.