Changzhou AMG Precision Tool Manufacturing CO., LTD
| Payment Terms | T/T/Credit Card |
| Supply Ability | 30000-100000pcs per month |
| Delivery Time | 5-12 working days |
| Packaging Details | Plastic tube |
| Name | Spiral Flute Reamer |
| Type | Reamer for steel |
| Coolant type | Inner coolant |
| Application | H13, A136, P20, H13 steel |
| Shank precision | H7 |
| Material | Carbide |
| Brand Name | AMG |
| Certification | ISO9001 |
| Place of Origin | CHINA |
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Product Specification
| Payment Terms | T/T/Credit Card | Supply Ability | 30000-100000pcs per month |
| Delivery Time | 5-12 working days | Packaging Details | Plastic tube |
| Name | Spiral Flute Reamer | Type | Reamer for steel |
| Coolant type | Inner coolant | Application | H13, A136, P20, H13 steel |
| Shank precision | H7 | Material | Carbide |
| Brand Name | AMG | Certification | ISO9001 |
| Place of Origin | CHINA | ||
| High Light | H7 Spiral Flute Reamer Bit ，Steel Spiral Flute Reamer Bit ，4mm Spiral Flute Reamer Bit | ||
Solid Carbide 4mm Diameter 30mm Flute Reamer Spiral Flute Coolant Through for CNC Machining
This high-precision solid carbide reamer features a 4mm diameter and 30mm flute length, optimized for CNC machining applications requiring tight tolerances (H5-H7) and superior surface finishes. The spiral flute design ensures efficient chip evacuation, while internal coolant channels enhance tool life and performance in hardened steels, stainless steel, and other tough alloys.
Features:
✔ Premium Solid Carbide Construction
Micro-grain carbide substrate (K10/K20 grade) for maximum wear resistance
Sub-micron grain structure ensures edge retention in high-speed machining
✔ Spiral Flute Design (30° Helix Angle)
Optimized chip evacuation prevents clogging in deep-hole applications
Reduces cutting forces for smoother finishes (Ra ≤0.4µm achievable)
✔ Through-Tool Coolant (Internal Coolant Holes)
2-4 precision coolant channels (Ø1.0mm) direct lubricant to cutting edges
Supports high-pressure coolant (70+ bar) for heat dissipation in hard materials
✔ Extended 30mm Flute Length
Ideal for deep-hole reaming (L:D ratio up to 7.5:1)
Reduces deflection vs. standard-length reamers
✔ High-Precision Ground Edges
H5-H7 tolerance compliance (ISO 286)
±0.005mm runout for ultra-precise bore finishing
Applications:
Aerospace
Turbine blade cooling holes (Inconel 718)
Hydraulic valve bodies
Automotive
Fuel injector nozzles
Transmission gear bores
Medical & Energy
Surgical instrument precision holes
Oil/gas valve components
Mold & Die
Ejector pin holes in hardened tool steel (HRC 50+)
Detailed Pictures:
Our wokshp:
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!
Other products:
FAQ:
1. Are you a manufacturer or trading company?
We are a professional manufacturer of carbide tools which established in 2017.
2. Which CNC grinding machine do you use?
All of our carbide tools are produced by imported WALTER grinding machines.
3. 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.
Company Details
Business Type:
Manufacturer
Year Established:
2017
Total Annual:
200-300
Employee Number:
30~50
Ecer Certification：
Verified Supplier
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... 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...
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