What coating options are available?

Coating options include AlTiN, TiAIN, and TiSiN with nano hardness up to 42 GPa.

How do you ensure product quality?

Each end mill is inspected by Zoller measuring machines, and we follow strict random and visual inspections.

High Hardness Tungsten Carbide Twist Hole Drill Bits

Name: High Hardness Tungsten Carbide Twist Hole Drill Bits
Brand: Changzhou Hongjian Tools Co., Ltd.
SKU: 881222895

Jiangsu, ChinaChangzhou Hongjian Tools Co., Ltd.

US$10.50-150.00

10 Pieces

Product profile

Customization

Available

Customized

Non-Customized

Standard

AISI

Model NO.

drills

Length

50-150

Type

Center Drill Bit

Material

Tungsten Carbide

Usage

Metal Drilling

Performance Classification

High-End CNC Machine Tools

Processing Precision

0.003

Transport Package

Air

Specification

SGS

Trademark

Hiboo

Origin

Changzhou Jiangsu China

HS Code

8207709000

Production Capacity

50000PCS/Mouth

Key features

Super Coating Options: Features AlTiN, TiAIN, TiSiN nano coatings with hardness up to 42 GPa.

Strict Quality Inspection: Each tool is inspected using Zoller measuring machines for quality assurance.

OEM and ODM Services: Full customization available from samples or designs with professional R&D support.

Fast Sample Delivery: Samples dispatched within 2-7 workdays for urgent needs.

Wide Size Range: Standard lengths from 50mm to 150mm with various flute and shank options.

Multiple Payment Terms: Supports T/T, Western Union, MoneyGram, and L/C for flexible transactions.

Company profile

Importers and ExportersYears of Export ExperienceExperienced TeamExhibition Experience

Changzhou Hongjian Tools Co., Ltd.

Jiangsu, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 14 Years CertifiedNearest Port: Shanghai PortAverage Response Time: ≤2.78h

About Our Factory & Business Background

AddressNo. 26 Lingshan Mid Rd., No. 23-1 Block Tools Industrial Park, Xixiashu Town, Xinbei District, Changzhou, Jiangsu, China

Plant Area2394.12 square meters

Number of Employees40

Registered Capital2,000,000 RMB

Terms of PaymentLC, T/T, D/P

International Commercial Terms(Incoterms)FOB, CIF, CFR

Average Lead TimePeak Season Lead Time: one month Off Season Lead Time: one month

Minimum Order Quantity5 Pieces

Supply Chain Partners40

Our Production Capability & Technical Expertise

Main ProductsCarbide End Mill, Carbide Drill, End Milling Cutter, Carbide Reamer, Carbide Ball Nose End Mill, Carbide Corner Radius End Mill, Carbide Rods, Roughing End Mill, Carbide Taper End Mill

Production Lines6

Production MachinesCNC Lathe 1, CNC Lathe 2, CNC Lathe 3, Centerless Grinding Machine, Surface Grinding Machine

QA/QC inspectors2 people

Inspection Type for Finished ProductsRandom inspection(Function inspection & Visual inspection)

Inspection Method for Finished ProductsHave instructions and uniformly followed

R&D Engineers3 people

Traceability of Raw MaterialsYes