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Home > Products >
Carbide Step Drill
>
AlTiSiN Coating Carbide Step Drill Internal Coolant Straight Flute Drill Bit For Hard Metal
All Category

Carbide Drill Bit

Through Coolant Drill

Carbide Deep Hole Drill

Carbide Step Drill

Heavy Duty Drill Bit

Tungsten Carbide Tools

Carbide End Mill

Custom End Mill

Carbide Thread Milling Cutter

Solid Carbide Tap

PCD Milling Cutter

Carbide End Mill Cutter

Solid Carbide Reamer

Carbide Boring Tool
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AlTiSiN Coating Carbide Step Drill Internal Coolant Straight Flute Drill Bit For Hard Metal

Brand Name: AMG
MOQ: 3-10PCS
Packaging Details: Plastic tube
Payment Terms: T/T/Credit Card
Detail Information
Product Description
Detail Information
Place of Origin:
CHINA
Certification:
ISO9001
Product Name:
Carbide Step Drill
Inner Coolant:
Yes
Application:
Aluminium, Cast Iron, Steel, Inconel 718, Titanium, Etc
Coating:
Uncoated (optional TiAlN For Steel)
Flute Type:
Straight Flute
Oem:
Yes
Flute Length:
Varies By Size
Size:
Various Sizes Available
Shank Type:
Round
Flute Count:
2
Supply Ability:
30000-100000pcs per month
Highlight:

Straight Flute Carbide Step Drill

,

AlTiSiN Carbide Step Drill

,

AlTiSiN Coating Carbide Step Drill

Product Description
AlTiSiN Coating Carbide Step Drill Internal Coolant Straight Flute Drill Bit For Hard Metal
Product name Carbide Step Drill
Inner coolant Yes
Application Aluminium, cast iron, steel, Inconel 718, titanium, etc
Coating Uncoated (optional TiAlN for steel)
Flute type Straight flute
OEM Yes
Flute Length Varies by size
Size Various sizes available
Shank Type Round
Flute Count 2
Premium Carbide Step Drill Bit with AlTiSiN Coating

Designed for high-performance machining of hardened steels and exotic alloys, this carbide step drill bit combines AlTiSiN coating, straight flute design, and internal coolant channels to deliver exceptional tool life and precision in demanding industrial applications.

Key Features
  • Advanced AlTiSiN Coating - Superior heat resistance (up to 900°C) and oxidation protection for extended tool life in high-temperature operations.
  • Straight Flute Design - Optimized chip evacuation reduces clogging and improves surface finish in viscous materials.
  • Internal Coolant Holes - Direct coolant to the cutting edge for heat dissipation, enabling higher feed rates and deeper hole drilling.
  • Solid Carbide Construction - Ultra-hard substrate maintains sharpness in abrasive materials like tool steel, stainless, and titanium.
  • Multi-Step Geometry - Eliminates tool changes for tapered/stepped hole applications (e.g., chamfering, deburring).
Performance Advantages
3× Longer Lifespan - AlTiSiN coating reduces flank wear vs. uncoated/TiN drills.
Higher Feed Rates - Internal coolant allows aggressive machining without workpiece hardening.
Versatile Material Compatibility - Engineered for stainless steel (304/316), titanium (Grade 5), Inconel, and hardened steels (HRC 45+).
Industrial Applications
  • CNC Machining Centers - Ideal for deep-hole drilling in molds/dies.
  • Aerospace Components - Drilling turbine blades and high-strength alloys.
  • Automotive Manufacturing - Precision holes in gearboxes and drivetrain parts.
  • Oil & Gas Tools - Machining valve bodies and drilling equipment.
Product Images
AlTiSiN Coating Carbide Step Drill Internal Coolant Straight Flute Drill Bit For Hard Metal 0 AlTiSiN Coating Carbide Step Drill Internal Coolant Straight Flute Drill Bit For Hard Metal 1
Manufacturing Facility
AlTiSiN Coating Carbide Step Drill Internal Coolant Straight Flute Drill Bit For Hard Metal 2 AlTiSiN Coating Carbide Step Drill Internal Coolant Straight Flute Drill Bit For Hard Metal 3
New Customer Special Offers
Free Test Samples - Get free samples (total value ≤ $20 USD) when you cover the international shipping cost. Perfect for evaluating our product quality and performance risk-free.
$50 USD Discount on First Order - New customers can enjoy a $50 discount on the first order of $500 or more. A great way to start our partnership with extra value!
Our Manufacturing Advantages
  • Advanced grinding machines: All of our grinding machines are WALTER and SAACKE brands.
  • Advanced inspection machines: We have ZOLLER, OMEGA, PG1000, etc. for inspecting each carbide tool.
  • Fast feedback: We offer 24 hours online service.
  • Strict quality control system: We strictly adhere to a three-stage inspection process for each tool: raw material inspection, semi-finished product inspection after production, and final inspection after coating (pre-shipment check).
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