Changzhou AMG Precision Tool Manufacturing CO., LTD
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Tungsten Carbide Step Drill Bit Customized 2 Flutes CNC Metal Working Drill
Introduction:
Features:
✔ Precision-Ground Carbide Construction
Ultra-fine 0.5μm grain tungsten carbide substrate
2-flute design optimized for chip evacuation
Rigid core design minimizes vibration
✔ Fully Customizable Geometry
Multiple step configurations (2-5 diameters)
Standard step increments or custom progressions
Optional chamfer edges at each transition
✔ Advanced Coating Options
Standard: AMG Nano coating (general purpose)
Premium: Diamond coating (for composites/CFRP)
Extreme: Hyper-TiAlN (hardened steels up to HRC 60)
✔ Specialized Point Geometries
118°/135°/140° point angle options
Split-point or full-web configurations
Custom relief angles available
Typical Applications:
Automotive: Drilling+chamfering engine blocks
Aerospace: Stack material drilling
Energy: Flange hole preparation
General Engineering: High-volume production
Detailed Pictures:
Our workshop:
Promotion policy:
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.
FAQ:
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.