What is the quality assurance standard?

We follow ISO9001:2015 and perform 100% inspection including visual and function checks.

What materials can this drill bit process?

Cast iron, carbon steel, mould steel, stainless steel, titanium alloy, tool steel, and heat-treated steel.

High Quality Carbide Step Drill Bits for Cast Iron

Name: High Quality Carbide Step Drill Bits for Cast Iron
Brand: CHANGZHOU AITEFASI TOOLS CO., LTD.
SKU: 894356235

Jiangsu, ChinaCHANGZHOU AITEFASI TOOLS CO., LTD.

US$3.50-5.50

2 Pieces

Sample price:US$3.50/piece.Request sample

Product profile

Customization

Available

Customized

Type

Twist Drill Bit

Model NO.

eitfs2234

Material

Solid Carbide

Usage

Wood Drilling, Metal Drilling

Flute Diameter

0.3-40mm

Shank Diameter

4-40mm

Over All Length

38-330mm

Transport Package

1PC/1 Plastic Tube

Trademark

eitfs

Origin

China

Production Capacity

3000 Piece/Pieces Per Month

Key features

Solid Carbide Material: Made of Tungsten Carbide and Tungsten Cobalt Alloy for high durability.

Customized Dimensions: Flute Diameter 0.3-40mm, Shank Diameter 4-40mm, Length 38-330mm.

Superior Chip Breaking: Special designed drill tip increases centering ability and chip breaker efficiency.

Wide Application Range: Suitable for cast iron, carbon steel, stainless steel, titanium alloy, and heat-treated steel.

High Precision: Precision tolerance of 0.005-0.01mm ensures accurate drilling results.

OEM & ODM Service: Full customization, minor customization, and flexible customization options available.

High Toughness Raw Material: Uses high toughness, grain-sized carbon tungsten for extended tool life.

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: ≤6.82h

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.