6-Flute 2-Step PCD Reamer Head – Multi-Diameter High-Precision Reaming
Overview
The 6-Flute 2-Step PCD Reamer Head is a precision modular reaming tool designed for finishing dual-diameter bores with exceptional accuracy and surface quality. Featuring six polycrystalline diamond (PCD) cutting edges and a two-step geometry, it ensures concentricity, tight tolerance control, and mirror-like finishes in high-volume CNC machining. As a modular head-only design, it integrates seamlessly with standard toolholders, reducing setup time and improving cost efficiency for manufacturers.Related technical article:How can automotive machining balance quality, efficiency, and cost? Aoshiji® Custom Tool’s PCD tools deliver precision and durability, offering a high-efficiency, cost-effective solution.
For a complete overview of PCD reamers, including piloted, brazed, form, multi-step, combination, and adjustable reaming tools, visit our main PCD Reamers guide.
Applications
Automotive engine blocks and cylinder heads with dual-diameter bores
Aerospace structural components requiring stepped bore finishing
Hydraulic and pneumatic housings with high-precision reaming needs
Transmission housings, gear cases, and die-cast aluminum parts
High-volume machining of aluminum, magnesium alloys, and non-ferrous materials
Key Features
6-flute cutting geometry – Provides stable machining, reduced vibration, and excellent surface quality
2-step reaming design – Finishes dual-diameter bores in one pass for maximum efficiency
Head-only modular concept – Compatible with ISO-standard modular holders, reducing tooling costs
PCD cutting edges – Deliver exceptional wear resistance, tool life, and repeatable accuracy in non-ferrous machining
Tight tolerance capability – Bore roundness and step depth accuracy within ≤ 5 μm
Benefits
Reduces cycle time by combining two reaming operations into a single tool
Cost-efficient modular replacement – Replace only the head, not the full tool system
Provides mirror-like bore finishes with Ra ≤ 0.2 µm
Ensures consistent IT6 tolerance-level accuracy in high-volume production lines
Extends tool life significantly compared to carbide and coated reamers
Technical Specifications
| Parameter | Specification |
|---|---|
| Tool type | PCD Step Reamer Head (modular, head-only) |
| Cutting edges | 6 (six-flute configuration) |
| Step count | 2 (dual-diameter bore reaming) |
| Cutting material | PCD (Polycrystalline Diamond) |
| Diameter range | Ø6 – Ø25 mm (custom sizes available) |
| Connection type | Modular head, compatible with standard holders |
| Application focus | Dual-diameter precision reaming in non-ferrous alloys |
| Tolerance | Bore and step accuracy ≤ 5 μm |
Options & Customization
Flute options: 2, 3, 4, or 6-flute configurations
Step designs: single-step, dual-step, or multi-step geometries
Coolant-through or solid design depending on application
Custom bore geometries including tapered, profiled, or countersink features
Fully compatible with modular toolholding systems (Weldon, HSK, BT, ISO)
Related Tools
2-Flute 3-Step PCD Reamer Head – High-Precision Multi-Diameter Finishing
2-Flute PCD Step Reamer with 2 Chamfers (Large Diameter, With Shank)
- Reamers – Solid Carbide & PCD Custom CNC Tools
Contact
For drawings, technical requirements, or custom quotations, please contact:
[email protected]
Aoshiji® Custom Tool – Precision PCD and Custom CNC Tooling Solutions
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