Changzhou AMG Precision Tool Manufacturing CO., LTD
                                                                                                           
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China 4mm - 32mm Tungsten Carbide Step Drill Bit 2 Flutes Metalworking Drill Bits for sale

4mm - 32mm Tungsten Carbide Step Drill Bit 2 Flutes Metalworking Drill Bits

Price Negotiable
Price: Negotiable
MOQ: 3-10PCS
Delivery Time: 5-12 working days
Brand: AMG
Product Description
4mm - 32mm Tungsten Carbide Step Drill Bit 2 Flutes Metalworking Drill Bits
Name Tungsten Carbide Step Drill Bit
Material Carbide
Number of flute 2
Type Heavy duty step drill
Diameter 4-32mm
Overall length 50-200mm
Flute type Spiral flute
Application Cast iron, steel, stainless steel, etc
Shank Type Straight
Precision CNC Metalworking Drill Bit

AMG's customizable 2-flute carbide step drill delivers unmatched versatility in CNC metalworking applications. Designed for precision multi-diameter hole creation, this advanced tool eliminates tool changes while maintaining exceptional accuracy across all cutting steps.

Key Features
• Precision-Ground Carbide Construction
Ultra-fine 0.5μm grain tungsten carbide substrate with 2-flute design optimized for chip evacuation and rigid core design that minimizes vibration.
• Fully Customizable Geometry
Multiple step configurations (2-5 diameters) with standard step increments or custom progressions, plus optional chamfer edges at each transition.
• Advanced Coating Options
Standard AMG Nano coating (general purpose), Premium Diamond coating (for composites/CFRP), or Extreme Hyper-TiAlN (hardened steels up to HRC 60).
• Specialized Point Geometries
118°/135°/140° point angle options with split-point or full-web configurations and custom relief angles available.
Typical Applications
• Automotive: Drilling+chamfering engine blocks
• Aerospace: Stack material drilling
• Energy: Flange hole preparation
• General Engineering: High-volume production
Product Images
Tungsten carbide step drill bit close-up showing spiral flutes and precision cutting edges Manufacturing workshop producing carbide drill bits with CNC machinery Quality control inspection of carbide step drill bits in production facility
Special Offers

Free sample: Available when customer covers shipping costs.

New customer discount: $50 off when spending $500+ on first order.

Frequently Asked Questions
Which shipping method do you usually use?

We ship via express carriers (FedEx, UPS, DHL, TNT, EMS) or can deliver to your shipping agent in China.

How about the delivery time?

Stock items ship within 2 business days. Custom items typically require 5-7 business days depending on quantity.

Which payment methods do you accept?

We accept T/T bank transfers and credit card payments.

Can you produce special carbide tools?

Yes, we manufacture custom carbide tools according to your drawings or samples, and can design tools based on your workpiece specifications.

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Get in Touch

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

Company Changzhou AMG Precision Tool Manufacturing CO., LTD
Location NO. 24-2 Lingshan Middle Road, Xixiashu Town, Xinbei District, Changzhou City, Jiangsu, China
Contact Person NIKI

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