How is quality controlled?

We perform 100% inspection, including visual and function checks, on finished products.

What is the material of the drill bits?

The drill bits are made of Tungsten Carbide.

Tungsten Carbide Micro Drill Sets G129 R2.8-10.5 for Processing High Inner Layer multilayer board PCB

Name: Tungsten Carbide Micro Drill Sets G129 R2.8-10.5 for Processing High Inner Layer multilayer board PCB
Brand: Zhuzhou Chu Strong Tools Co., Ltd.
SKU: 2175725385

Hunan, ChinaZhuzhou Chu Strong Tools Co., Ltd.

Negotiable

50 Pieces

Product profile

Customization

Available

Customized

Non-Customized

Standard

DIN, JIS, RoHS

Model NO.

G129 R2.8-10.5

Length

Stub-length

Type

Countersink Drill Bit

Material

Tungsten Carbide

Usage

PCB Drilling

Shipment

TNT, DHL, EMS or by air

Diameter

2.8-10.5mm

Application

Processing high inner layer multi layer board

Weight

0.17kg/box

Design Features

UC-type drill, the UC shape

Transport Package

Plastic and Carton

Specification

50pcs/box

Trademark

jinzhou

Origin

China

HS Code

8207509000

Production Capacity

100000PCS/Year

Key features

High Precision Design: UC-type drill ensures sharp cutting edges, high rigidity, and excellent chip removal for multilayer boards.

Wide Diameter Range: Available in diameters from 2.8mm to 10.5mm to suit various PCB drilling needs.

Material Quality: Made of high-quality Tungsten Carbide for durability and precision in metal cutting.

Flexible Customization: Supports full customization, minor customization, and flexible customization from samples or designs.

Quality Assurance: 100% inspection including visual and function checks before shipment.

Fast Lead Time: Average lead time within 15 workdays for both peak and off-season periods.

Multiple Payment Options: Accepts LC, T/T, and D/P payment terms for flexible transaction arrangements.

Company profile

Importers and ExportersHigh Repeat Buyers ChoiceYears of Export ExperienceQuality Assurance

Zhuzhou Chu Strong Tools Co., Ltd.

Hunan, China

CertifiedBusiness Type: Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 13 years CertifiedNearest Port: Shanghai Port;Shenzhen Port;Average Response Time: ≤15h

AI-Powered supplier vetting

SummaryThe supplier demonstrates OEM and ODM capability, broad customization options, recent new-product activity, and 13 years of export experience. It holds ISO 9001, GAP, and ISO 14000 certifications and reports exports representing 71%–90% of total sales, with markets across Eastern Europe, the Middle East, Southeast Asia, Eastern Asia, and Africa. Lead times are stated as within 15 working days in both peak and off-season. However, service and quality procedures generally lack written records, raw-material traceability is absent, quality-control staffing and R&D engineering experience are each below five, and no overseas showroom, agent, branch, or offline trade-show participation is reported. Financial information is only represented by reporting years, so credibility cannot be assessed.

Supplier typeThe supplier operates as a manufacturer with OEM and ODM services, its own import-export rights, 13 years of export experience, and a factory located in Zhuzhou, Hunan, China. Its export markets are geographically diverse, indicating established international supply activity.

CertificationsThe supplier reports holding ISO 9001, GAP, and ISO 14000 certifications. These explicitly demonstrate certifications covering quality and environmental or agricultural management areas, although no certificate validity or scope details are provided.

R&D capabilityThe supplier reports new products during the past year and provides ODM services, showing product-development activity. However, total R&D engineer experience is below five years and no SDK is available, so the evidence is positive but limited for broader innovation strength.

Customization capabilityThe supplier explicitly offers customization from samples, designs, full customization, minor customization, flexible customization, OEM, and ODM services. It does not provide 3D software design services, but the range of other customization formats demonstrates substantial adaptation capability.