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Brand Name : AMG
Certification : ISO9001
Place of Origin : CHINA
Payment Terms : T/T/Credit Card
Name : Carbide Step Drill Bit
Type : Customized forming tool
Material : Carbide
Number of flute : 2
Flute type : Spiral flute
Application : Cast iron, steel, stainless steel, inconel 718, etc
Shank Type : Straight shank
Size : Various sizes available
Cutting Angle : 118 degrees or customized
OEM : Yes
MOQ : 3-10PCS
Packaging Details : Plastic tube
Delivery Time : 5-12 working days
Supply Ability : 30000-100000pcs per month
Tungsten carbide CNC Cutting Tools Step Drill Bits Solid Carbide Tool
Introduction:
Features:
Advanced Carbide Formula
Ultra-fine 0.5μm grain tungsten carbide substrate
Special binder formulation for shock resistance
93.5 HRA hardness for maximum wear resistance
✔ Optimized Step Geometry
Precision-ground diameters (±0.01mm tolerance)
Graduated step transitions minimize burring
Customizable step configurations (2-5 diameters)
✔ High-Performance Coatings
Standard: AMG Nano coating (all-purpose)
Premium: TiAlSiN for high-temp alloys
Special: Diamond coating for composites
For CNC Operators:
60% faster than conventional drilling methods
Produces finished holes in single operation
Excellent chip evacuation in all materials
For Production Managers:
Reduces tool inventory requirements
3-5× longer life than HSS step tools
Maintains precision through entire lifespan
Typical Applications:
Automotive: Engine block oil galleries
Aerospace: Composite/titanium stacks
Electronics: Heat sink mounting holes
Medical: Implant component drilling
Detailed Pictures:

Our workshop:


Promotion policy:
To help you experience our premium products, we’re excited to offer the following exclusive promotions for first-time buyers:
1.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.
2.$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!
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. Can you do OEM?
Yes, we can.
4. Where is your factory.
Our factory is in Changzhou City, Jiangsu Province, China.
It’s around 1 hour from Shanghai by High-Speed Train.
5. 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.
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