What materials can these drill bits process?

They can process copper, cast iron, carbon steel, mold steel, stainless steel, titanium alloy, tool steel, and heat-treated steel.

Is customization available for these tools?

Yes, customized tools are acceptable. We support customization from samples, designs, and offer full or minor customization options.

8xd Carbide Drill Bits Cutting Tool Bit Cutter with Inner Coolant Hole

Name: 8xd Carbide Drill Bits Cutting Tool Bit Cutter with Inner Coolant Hole
Brand: CHANGZHOU AITEFASI TOOLS CO., LTD.
SKU: 876192415

Jiangsu, ChinaCHANGZHOU AITEFASI TOOLS CO., LTD.

US$11.07

2-29 Pieces

US$10.52

30-49 Pieces

US$9.96

50-99 Pieces

US$9.74

100+ Pieces

Sample price:US$5.00/piece.Request sample

Product profile

Customization

Available

Length

38-330mm

Type

Twist Drill Bit

Model NO.

eitfs3515

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

45/55/60/65 HRC

Flute

2/3

Cusotmized Size

Available

Controlling Mode

CNC System

Suitable for

Coper.Cast Iron.Carbon Steel.Mould Steel

Shank

Straight Shank

Coating

Customized(Altin, Tialn, Tin, Nano, etc)

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: 8XD carbide drill bits feature inner coolant holes for efficient chip removal and heat dissipation.

High Hardness Options: Available in HRC 45, 55, 60, and 65 grades to suit various material processing needs.

Advanced Coatings: Coated with AlTiN, TiAlN, TiSiN, TiN, DLC, Nano, or Diamond for enhanced wear resistance.

Customizable Specifications: Customized flute diameter, size, length, and coating available to meet specific requirements.

Superior Raw Material: Made from high-toughness tungsten carbide with fine grain size for improved flexural strength.

Versatile Application: Suitable for drilling copper, cast iron, carbon steel, mold steel, stainless steel, and titanium alloy.

Enhanced Cutting Efficiency: Special drill tip design improves centering ability and chip breaking for higher processing speed.

Smooth Surface Treatment: High polished surface reduces friction coefficient, extending tool life and improving lathe efficiency.

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: ≤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 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.