What is the standard size range for diameters?

Standard sizes range from 0.6mm to 2.9mm in the 25D and 30D series, with additional specifications available for diameters up to 25.0mm.

What industries are these drills suitable for?

They are widely used in aerospace, automotive, motorcycle, engine, air conditioning compressor, medical treatment, and mold processing industries.

Carbide Drilling Cutters Long Hole Mini Diameter Solid Carbide Twist Drill Bits with Coolant Hole

Name: Carbide Drilling Cutters Long Hole Mini Diameter Solid Carbide Twist Drill Bits with Coolant Hole
Brand: CHANGZHOU DELEVEL TOOLS CO., LTD.
SKU: 2183642945

Jiangsu, ChinaCHANGZHOU DELEVEL TOOLS CO., LTD.

US$1.98-98.00

5 Pieces

Product profile

Customization

Available

Customized

Standard

ISO9001:2008

Model NO.

RNS

Length

50-300mm

Type

Carbide Drill

Material

Tungsten Carbide

Usage

Wood Drilling, Metal Drilling

Transport Package

Single Package

Specification

Dia. 0.08-Dia. 32mm

Trademark

DELEVEL

Origin

Changzhou, Jiangsu

HS Code

8207709000

Production Capacity

50000PCS/Month

Key features

High-Performance Alloy: Ensures superior hardness and extended tool life with exceptional wear and impact resistance.

Optimized Flute Design: Enhances chip evacuation and adapts to various machining conditions for improved efficiency.

Internal Coolant System: Supports extreme depth-to-diameter ratios (up to 30xD) with efficient coolant flow and heat dissipation.

Premium Raw Materials: Uses 100% original tungsten from top global brands like Guhring, Kennametal, and GESAC for high precision.

Superior Coating Options: Available in ALTiN, AlCr-based, TiSiN, and AlCr-Blue coatings with hardness up to 3700 HV.

Wide Diameter Range: Available in diameters from 0.6mm to 25.0mm, covering 25D and 30D series specifications.

Professional Manufacturing: Supported by world-class tool grinding machines and CNC equipment for high-precision non-standard tools.

Customization Available: Non-standard products available according to customer drawings or samples for specific needs.

Company profile

CHANGZHOU DELEVEL TOOLS CO., LTD.

Jiangsu, China

Business Type: Manufacturer/FactoryAverage Response Time: ≤2.72hTerms of Payment: LC, T/T, Western UnionInternational Commercial Terms(Incoterms): FOB, EXW, CIF

AI-Powered supplier vetting

SummaryCHANGZHOU DELEVEL TOOLS CO., LTD. is a Chinese manufacturer specializing in custom-made carbide tools, with over 12 years of experience. The company is ISO 9001 certified but lacks formal after-sales service protocols. It demonstrates strong innovation with ODM services and new products in the past year. The supplier operates six production lines, with a significant output of 600,000 carbide end mills annually. It offers extensive customization options and serves diverse export markets, but lacks overseas warehouses or branches.

Supplier typeThe supplier is a manufacturer/factory based in Jiangsu, China, operating as a limited company.

CertificationsThe supplier holds an ISO 9001 certification, indicating a commitment to quality management standards.

After-Sales capabilityThere are no written procedures or records for corrective actions or handling customer complaints, indicating a lack of formal after-sales service capability.

R&D capabilityThe supplier offers ODM services and has developed new products in the past year, reflecting a robust R&D capability.

Production capacityWith six production lines and an annual output of 600,000 carbide end mills, the supplier demonstrates significant production capacity.

Customization capabilityThe supplier offers full customization services, including customization from samples and designs, highlighting extensive customization capabilities.

Product Q&A

Q:What is the maximum cutting depth ratio available?

The drill supports extreme depth-to-diameter ratios, with options up to 30xD for efficient coolant flow and deep-hole machining.

Q:What raw materials are used for these carbide drills?

We use 100% original tungsten from premium global brands such as Guhring (Germany), Kennametal (USA), GESAC (China), and Ceratizit (Luxembourg).

Q:Can I order non-standard sizes or custom designs?

Yes, non-standard products are available according to customer drawings or samples, and we can design and manufacture products based on specific requests.

Q:What is the average lead time for orders?

The average lead time is within 15 workdays for both peak season and off-season periods.

Q:What payment terms do you accept?

We accept LC, T/T, and Western Union as terms of payment.