Dongguan Hie Hardware Co., Ltd.
                                                                                                           
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24 Years
Since 2002
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Tungsten Carbide Twist Drill Bit with Inner Coolant for Hardened Steel - 3-20mm Diameter, 46-153mm Length

Price Negotiable
Price: 30
MOQ: 1
Delivery Time: 15 working days
Brand: HIE
Product Description
Product Overview

Our tungsten carbide twist drill bit with inner coolant system is engineered for precision drilling in hardened steel applications. The advanced design combines exceptional durability with efficient cooling technology to deliver superior performance in demanding industrial environments.

Tungsten carbide twist drill bit with inner coolant system for hardened steel drilling Close-up view of tungsten carbide drill bit showing inner coolant channels
Technical Specifications
Parameter Specification
Diameter Range 3-20 mm
Length Range 46-153 mm
Material Cemented Carbide
Density 13.95-19 g/cm³
TRS (Transverse Rupture Strength) 2500-4500 N/mm²
HRA Hardness 87-93
Customization OEM, ODM, OBM Support
Key Features
  • Premium Tungsten Carbide Construction: Exceptional hardness and wear resistance for drilling hardened steel without premature dulling or breakage
  • Integrated Inner Coolant System: Continuous cooling reduces heat buildup, extends tool life, and improves chip evacuation
  • Precision Engineering: Accurate hole sizing with reduced vibration for cleaner results and minimal workpiece stress
  • Versatile Application Range: Suitable for bolts, screws, fasteners, and various hardened steel drilling operations
  • Long-Lasting Durability: Built to withstand heavy use and repeated drilling cycles in industrial applications
Performance Benefits
Increased Productivity: Faster drilling speeds and reduced downtime through efficient cooling and precision design
Enhanced Quality: Superior hole accuracy and surface finish for critical precision applications
Cost Efficiency: Extended tool life reduces replacement frequency and lowers operational costs
Broad Compatibility: Works with standard drilling equipment across machining, fabrication, and construction industries
Quality Assurance

Manufactured under rigorous quality control standards using premium materials and advanced production processes. Each drill bit undergoes comprehensive testing to ensure optimal performance and reliability in hardened steel drilling applications.

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Company Dongguan Hie Hardware Co., Ltd.
Location Jinghe Road, Yanyu Village, Dalingshan Town, Dongguan City,Guangdong, China
Contact Person HIE

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