Can the drill bit be customized?

Yes, customization is acceptable for flute diameter, overall length, and HRC hardness.

What materials can this drill bit process?

It is suitable for wood, cast iron, carbon steel, mould steel, stainless steel, titanium alloy, tool steel, and heat-treated steel.

8d High Efficiency Solid Carbide Twist Drill Bit with Inner Coolant Hole

Name: 8d High Efficiency Solid Carbide Twist Drill Bit with Inner Coolant Hole
Brand: CHANGZHOU AITEFASI TOOLS CO., LTD.
SKU: 884494825

Jiangsu, ChinaCHANGZHOU AITEFASI TOOLS CO., LTD.

US$10.04

2-29 Pieces

US$9.54

30-49 Pieces

US$9.04

50-99 Pieces

US$8.84

100+ Pieces

Sample price:US$10.00/piece.Request sample

Product profile

Customization

Available

Length

38-330mm

Type

Twist Drill Bit

Model NO.

eitfs3561

Material

Tungsten Carbide

Usage

Wood Drilling, Well Drilling, PCB Drilling, Metal Drilling, Masonry Drilling

Flute Diameter

0.3-40mm

Dia Size

4mm-40mm

Precision

0.005~-0.01mm

Over All Length

38-330mm

HRC

45/55/60/65HRC

Flute

2/3

Suitable for

Coper.Cast Iron.Carbon Steel.Mould Steel

Controlling Mode

CNC System

Use

Metal Drilling

Transport Package

Each Piece with Plastic Box in Carton.

Trademark

eitfs

Origin

China

Production Capacity

3000 Piece/Pieces Per Month

Key features

Inner Coolant Design: 8D high efficiency solid carbide twist drill bit with inner coolant hole for superior chip removal.

High Precision: Precision range of 0.005-0.01mm ensures accurate drilling for demanding applications.

Customizable Options: Customizable flute diameter, overall length, and HRC hardness to meet specific requirements.

Wide Material Compatibility: Suitable for wood, cast iron, carbon steel, mould steel, stainless steel, and titanium alloy.

Sharp Cutting Edge: Special designed drill tip increases centering ability and chip breaker efficiency.

Strict Quality Control: 100% inspection covers every step from raw materials to finished products with strict warranty.

Advanced Manufacturing: Produced using imported high-precision equipment from Germany, USA, and Switzerland.

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 is your terms of payment?

T/T 30% as deposit, and 70% before delivery. We'll show you the photos of the products and packages before you do the rest payment.

Q:What are your terms of delivery?

EXW, FOB, CFR, CIF, ETC.

Q:How about your delivery time?

Generally, It will take 10-15 days after receiving your advance payment. The specific delivery time depends on theitems and the quantity of your order.

Q:Do you provide samples? is it free or extra?

Yes, we could offer our stock sample for free charge and you please pay the cost of freight. custom cutting tools negotiated then we will quote the best sample cost.

Q:What is the minimum order quantity?

The minimum order quantity is 10 Pcs.