Tungsten Carbide Drill Bit Flat Bottom Drill With Naco Black Coating Inconel 718

Introduction:

AMG's premium Naco Black-coated tungsten carbide flat bottom drill delivers unmatched precision in critical machining applications. The advanced coating technology combined with ultra-fine grain carbide substrate ensures maximum tool life and superior hole quality in hardened materials.

Coating:

Features:

✔ Naco Black Coating

• 30% lower friction coefficient than standard TiN

• Exceptional heat resistance (stable to 900°C)

• Anti-adhesion properties for clean cutting

✔ Precision Ground Geometry

• True 90° (±0.01mm) flat bottom profile

• Self-centering design reduces walking

• Optimized flute geometry for chip control

✔ Ultra-Fine Carbide Substrate

• 0.6μm grain structure for edge stability

• High transverse rupture strength (4500N/mm²)

Recommended Applications:

• • Precision mold bases & cavities

  • Aerospace structural components

  • Medical implant machining

  • Automotive die & fixture manufacturing

Available Specifications:

• Diameter Range: 1mm – 20mm (custom sizes available)

• Shank Type: Straight, reduced, or coolant-through (optional)

• Coating: Blue Nano (standard), TiAlN, or AlCrN for extreme conditions

Detailed Pictures:

Our workshop:

New Customer Special Offers:

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!

Our advantages:

1.Advanced grinding machines: All of our grinding machines are WALTER and SAACKE brands.

2.Advanced inspection machines: We have ZOLLER, OMEGA, PG1000, etc. For inspecting each carbide tools.

3.Fast feedback: we offer 24 hours online service

4.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
Final inspection after coating (pre-shipment check)

Related products:

  CHANGZHOU AMG PRECISION TOOL MANUFACTURING CO., LTD. is a leading manufacturer and solution provider specializing in high-performance carbide cutting tools for precision CNC machining applications. With a strong commitment to innovation and quality, we design and produce an extensive range of standard and custom cutting tools, including carbide drill bits, end mills, reamers, and complex non-standard forming tools tailored to meet the most demanding machining challenges.