Does the drill bit have internal cooling?

Yes, the drill bit features an internal cooling design for efficient deep hole drilling.

What is the precision of the drill bit?

The precision can be customized up to 0.01mm.

What payment terms do you accept?

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

20d Solid Carbide Internal Cooling Drill Bit for Deep Hole Drilling

Name: 20d Solid Carbide Internal Cooling Drill Bit for Deep Hole Drilling
Brand: CHANGZHOU AITEFASI TOOLS CO., LTD.
SKU: 883096095

Jiangsu, ChinaCHANGZHOU AITEFASI TOOLS CO., LTD.

US$5.00-20.00

5 Pieces

Sample price:US$5.00/piece.Request sample

Product profile

Customization

Available

Customized

Standard

JIS, AISI, TUV

Model NO.

1123

Length

Jobber-length

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

Solid Carbide Material: Made from high-quality solid carbide with options for HRC 45/50/55/60/65 hardness.

Internal Cooling Design: Features inner coolant channels for efficient deep hole drilling and chip removal.

Premium Coating Options: Available with AlTiN, TiAlN, TiSiN, AlTiSiN, or TiN coatings for enhanced performance.

High Precision: Achieves precision up to 0.01mm for accurate and consistent drilling results.

Wide Application Range: Suitable for drilling steel, stainless steel, cast iron, and other metals.

Flexible Customization: Customizable flute diameter (3-40mm), length (50-330mm), and coating types.

Fast Delivery: Standard delivery time is 7-15 working days for efficient order fulfillment.

OEM/ODM Service: Supports full customization from samples or designs with professional R&D support.

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: ≤6.74h

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.