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: ≤6.99h

AI-Powered supplier vetting

SummaryThe supplier demonstrates strengths in R&D and customization capabilities, with a focus on OEM and ODM services. They hold ISO9001:2015 certification, indicating a commitment to quality management. However, there are gaps in after-sales documentation and overseas service capabilities. Financial stability is unclear due to limited data, and while they participate in trade shows, their manufacturing contracts and overseas facilities are limited.

Supplier typeThe supplier provides OEM and ODM services, particularly for well-known brands, and has strong R&D capabilities.

CertificationsThe supplier holds an ISO9001:2015 certification, demonstrating compliance with quality management standards.

After-Sales capabilityWhile procedures for corrective actions and customer complaints exist, the lack of written records could indicate deficiencies in consistent after-sales service.

R&D capabilityThe supplier has launched new products in the past year and offers customized R&D services, but lacks SDK availability.

Customization capabilityStrong customization capabilities are evident, covering full customization options and ODM service availability.