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50mm - 400mm Coolant Through Drill Bits Heavy Duty Drill Bit For Metal

50mm - 400mm Coolant Through Drill Bits Heavy Duty Drill Bit For Metal

Brand Name: AMG
MOQ: 3-10PCS
Payment Terms: T/T/Credit Card
Supply Ability: 30000-100000pcs per month
Detail Information
Place of Origin:
CHINA
Certification:
ISO9001
Name:
Coolant Through Drill Bits
Number Of Flute:
2
Type:
Heavy Duty Step Drill
Diameter:
4-32mm
Overall Length:
50-400mm
Flute Type:
Spiral Flute
Coolant Method:
Inner Coolant
Application:
Cast Iron, Steel, Stainless Steel, Etc
Packaging Details:
Plastic tube
Supply Ability:
30000-100000pcs per month
Highlight:

50mm Coolant Through Drill Bits

,

400mm Coolant Through Drill Bits

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Heavy Duty Drill Bit For Metal

Product Description
50mm - 400mm Coolant Through Drill Bits Heavy Duty Drill Bit For Metal
Product Specifications
Attribute Value
Name Coolant Through Drill Bits
Number of flute 2
Type Heavy duty step drill
Diameter 4-32mm
Overall length 50-400mm
Flute type Spiral flute
Coolant method Inner coolant
Application Cast iron, steel, stainless steel, etc
Product Overview

AMG's advanced carbide step drill with through-coolant technology delivers unmatched performance in heavy-duty machining. Designed for high-production environments, this innovative tool combines multiple drilling operations into one while maintaining exceptional tool life and hole quality.

Key Features
  • Integrated Step Design
    • Combines pilot hole and chamfering in single operation
    • Precision-ground steps maintain ±0.01mm diameter tolerance
    • Saves 50-70% cycle time vs. conventional methods
  • Advanced Through-Coolant System
    • 2-4 coolant channels (diameter dependent)
    • Maintains 15-20Bar coolant pressure at cutting edge
    • Reduces heat buildup by 40% in deep holes
  • Premium Carbide Construction
    • Sub-micron grain structure (0.5μm) for maximum edge retention
    • Heavy-duty web design withstands high feed rates
  • Specialized Coating Options
    • AMG Hyper Coat (standard) for steel/stainless
    • Diamond coating available for composites/CFRP
Performance Advantages
  • 50% faster than conventional twist drills in stacked/stainless steel
  • No secondary deburring required (clean hole edges)
  • Consistent accuracy across all step diameters (±0.02mm)
Typical Applications
  • Automotive: Drilling+chamfering engine blocks
  • Aerospace: Stack material drilling
  • Energy: Flange hole preparation
  • General Engineering: High-volume production
Product Images
50mm - 400mm Coolant Through Drill Bits Heavy Duty Drill Bit For Metal 0
50mm - 400mm Coolant Through Drill Bits Heavy Duty Drill Bit For Metal 1
50mm - 400mm Coolant Through Drill Bits Heavy Duty Drill Bit For Metal 2
Special Offers

Free sample: Free samples can be provided, if client is willing to pay the shipping cost.

Special offer for new customers: Enjoy USD50 discount when you spend USD500+ on your first order.

Frequently Asked Questions
1. Which shipping method do you usually use?

We usually send goods by express like FedEx, UPS, DHL, TNT, EMS, etc. We also can send products to your shipping agent in China.

2. How about the delivery time?

For stock items, we can dispatch within 2 business days after receiving payment. For the out-of-stock items, it depends on the quantity. Usually is around 5-7 business days.

3. Which payment methods do you accept?

We accept T/T, Credit card, etc.

4. Can you produce special carbide tools?

Yes, we can produce special carbide tools according to your drawings or samples. And we also can design the tools according to the drawing of your work pieces.