Dongguan Hie Hardware Co., Ltd.
                                                                                                           
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24 Years
Since 2002
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Custom Flat Bottom Index Carbide Long Drill for Steel Processing - 10mm to 65mm Diameter Range with Multiple Point Angles

Price Negotiable
Price: 30
MOQ: 1
Delivery Time: 15 working days
Brand: HIE
Product Description
Custom Flat Bottom Index Carbide Long Drill

Specialized tool engineered for precision deep hole drilling in steel components with flat-bottomed hole capability.

Product Overview

This custom carbide long drill features advanced carbide construction and a unique flat bottom index design specifically engineered for steel processing applications requiring deep, accurate holes with flat bottoms.

Key Features
Premium Carbide Construction
  • Extreme hardness for cutting through high-strength and hardened steel
  • Excellent wear resistance for extended service life and reduced downtime
  • Superior heat resistance maintains cutting edge integrity during operation
  • Optimized carbide grade selection based on steel type for maximum performance
Flat Bottom Index Design
  • Creates precise flat-bottomed holes in single operation
  • Enhanced stability prevents drill wandering and deflection
  • Smooth transition between hole and flat bottom minimizes stress concentrations
  • Ideal for applications requiring proper seating surfaces
Long Drill Engineering
  • Maintains rigidity and stability over extended lengths
  • Optimized flute design ensures efficient chip evacuation
  • Customizable lengths from 10mm to 65mm diameter range
  • Minimizes deflection and vibration for accurate hole geometries
Technical Specifications
Parameter Specification
Application Materials Steel, iron, copper, aluminum, bronze, brass, plastic, aluminum alloy, nonferrous metals, synthetic materials & graphite
Drill Type Carbide tip with indexable inserts, single-fluted gun drill
Diameter Range 10mm minimum to 65mm maximum
Point Angles 118°, 135°, 140°, 142°, 144°, customized options available
Surface Finishes High Temp/Hardness AlTiN, Multilayer TiCN/TiN, Bright (Uncoated), Diamond, Super Life TiAlN
Shank Type Whistle Notch
Customization OEM, ODM, OBM accepted with custom sizing
Industrial Applications
  • Automotive: Engine blocks, cylinder heads, transmission cases
  • Machinery Manufacturing: Machine bases, spindles, housings
  • Steel Fabrication: Structural members, plates for welding and bolting
  • Aerospace: Aircraft structures and engine components
Custom flat bottom index carbide long drill for steel processing showing detailed construction and cutting edges
Close-up view of carbide long drill tip and flute design for efficient steel drilling
Installation & Maintenance

Install in CNC or dedicated drilling machines with proper clamping. Regular inspection for wear, cleaning of flutes, and proper storage in dry conditions ensure optimal performance and longevity.

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Have questions about our products or want to discuss a custom order? Our team is ready to help you.

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

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