What certifications does the factory have?

Our factory is certified with ISO9001:2008 and SGS. We have a professional QC team ensuring high-quality products.

What are the shipping methods?

Shipping is available by air or sea via DHL, UPS, FEDEX, TNT, or as requested. Packaging includes plastic pipes and air bubble paper in carton boxes.

What applications are these drills suitable for?

They are suitable for drilling wood, PCB, metal, steel, mold steel, low alloy steel, hardened steel, stainless steel, alloy steel, copper, cast iron, and plastics.

Cemented Carbide Twist Drills with Coolant Channel

Name: Cemented Carbide Twist Drills with Coolant Channel
Brand: Zhuzhou Lihua Cemented Carbide Co., Ltd.
SKU: 826969905

Hunan, ChinaZhuzhou Lihua Cemented Carbide Co., Ltd.

US$4.50

10-99 Pieces

US$4.20

100+ Pieces

Sample price:US$10.00/piece.Request sample

Product profile

Customization

Available

Customized

Standard

ISO, SGS

Length

Taper-length

Type

Twist Drill Bit

Material

Tungsten Carbide

Usage

Wood Drilling, PCB Drilling, Metal Drilling

Diameter

1-25mm

Overall Length

50-200mm

Flute

2/3/4 Flutes

Hardness

45/55/60/65HRC

OEM/ODM

Acceptable

Coating

Altin, Tiain, Ticn, Tin, Tialn, Uncoated

Cutting Form

Flat, Ball Nose, Corner Radius, Roughing

Angle

Customized

Business Type

Manufacturer

Transport Package

Plastic Box, Standard Export Carton

Origin

Zhuzhou

HS Code

8207709000

Production Capacity

5000 Piece Per Month

Key features

Customizable Geometry: Diameter 1-25mm, Length 50-200mm, Flutes 2/3/4, and Angles fully customized.

Advanced Coating Choices: Options include AlTiN, TiAlN, TiSiN, nACo, or Uncoated for various applications.

OEM/ODM Service: Accepts custom drawings and designs with samples ready in 3-5 days.

High Precision Quality: 100% inspection with ISO9001 certification and strict QC team oversight.

Wide Application Range: Suitable for drilling wood, PCB, metal, steel, stainless steel, and plastics.

Flexible Payment Terms: Supports L/C, T/T, PayPal, Western Union, and small order payments.

Fast Delivery: Stock items deliver in 1 day; custom samples ready in 3-5 days.

Company profile

Importers and ExportersHigh Repeat Buyers ChoiceYears of Export ExperienceExperienced Team

Zhuzhou Lihua Cemented Carbide Co., Ltd.

Hunan, 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: 20 Years CertifiedNearest Port: Shenzhen Port. Guangzhou Port. Shanghai Port.Average Response Time: ≤15h

AI-Powered supplier vetting

SummaryThe supplier is a combined manufacturing company focused on non-ferrous metal alloys, metal tools, metal materials, non-ferrous metal processing, metal cutting services, and non-metallic mineral manufacturing. It holds an ISO 9001:2015 management-system certificate and describes QC coverage across incoming materials, production, finished products, and packaging. The supplier reports broad customization, ODM, recent new-product development, and OEM service for recognized brands. Its facility lists CNC, pressure, sintering, lathing, grinding, and automatic powder-press equipment. Service procedures, corrective actions, complaint handling, and finished-product inspection procedures are documented. However, it has no valid manufacturing-capacity contract with related subcontractors, no overseas warehouse, showroom, agent, or branch, and no SDK. Customer cases beyond a general statement of OEM service are not documented.

Supplier typeThe supplier is identified as a combined company, with a business scope covering manufacturing and sales of non-ferrous metal alloys, metal tools and materials, non-ferrous metal processing, metal cutting services, and non-metallic mineral products. This indicates a manufacturing-oriented supplier with multiple related metal-processing activities.

CertificationsThe supplier reports an ISO 9001:2015 certification for its management system. Its description also states that a professional QC team follows ISO 9001:2008 procedures across incoming materials, production, finished products, and packaging, supporting a structured quality-control approach.

After-Sales capabilityThe supplier has written and followed procedures for service assessment, corrective and preventive actions, and customer complaint handling. It also reports peak-season lead times of one month and off-season lead times within 15 working days, but the slices do not specifically document warranty terms, repair services, or replacement policies.

R&D capabilityThe supplier reports that it developed new products during the past year and provides ODM services. It also states that no SDK is available, which limits evidence of software or development-kit support, but the reported product-development and ODM activities support innovation capability in physical products.

Production capacityThe facility lists CNC, static-pressure, vacuum-sintering, lathe, wet-grinding, and automatic powder-press equipment, while the business scope covers relevant metal manufacturing and processing. The supplier reports in-stock capability and defined lead times, but it lacks a valid contract with related subcontractors, creating a documented manufacturing-capacity management weakness.

Customization capabilityThe supplier explicitly offers customization from samples and designs, full, minor, and flexible customization. These services are reported alongside ODM capability and indicate broad product-design adaptation capacity.

Product Q&A

Q:What are the customizable options for the drill bits?

We offer customization for Diameter (1-25mm), Overall Length (50-200mm), Flutes (2/3/4), Hardness (45/55/60/65HRC), Coating, Cutting Form, and Angle. OEM and ODM services are welcome.

Q:What materials and coatings are available?

The material is Tungsten Carbide with micro grain raw material (Co: 10%, Wc: 90%). Coating options include AlTiN, TiAlN, TiSiN, nACo, Tin, Ticn, or Uncoated.

Q:What is the lead time for custom orders?

Customized samples can be ready in 3-5 days. For stock items, delivery can be completed in 1 day. Peak season lead time is one month, while off-season is within 15 workdays.

Q:What are the payment terms?

We support flexible payment terms including L/C, T/T, PayPal, Western Union, and small-amount payments.

Q:What is the minimum order quantity (MOQ)?

Small orders are acceptable. We provide custom-made services based on customer requirements.