Solid CBN Inserts, PCD Inserts, CBN Cutting Tools

Engineered for Extreme Performance

Halnn Superhard Materials Co., Ltd. is a leading manufacturer of advanced cutting tools, specializing in CBN, PCD, and carbide solutions. With decades of expertise, we serve critical industries including aerospace, automotive, mining, metallurgy, and energy.

Our ISO-certified production processes ensure consistent quality and reliability. Trusted by global manufacturers such as Mahle, Brebo, Wanxiang, and GKN, Halnn delivers custom tooling solutions that enhance machining efficiency, extend tool life, and reduce production costs.

Custom cutting solutions for high-temperature alloys and hardened materials
Expertise in deep hole drilling, BTA drills, and precision reaming
Global distribution with technical support across Asia, Europe, and the Americas

Our Product Range

From solid CBN inserts to PCD drills and deep hole machining systems, Halnn offers a comprehensive portfolio of superhard cutting tools.

Solid CBN Inserts

High wear resistance for hard turning of hardened steels, cast iron, and high-temperature alloys.

• Grades: BN-K1, BN-K2, BN-K3
• Shapes: SNMN, RNMN, WNGA, CNGA, CCGW
• Applications: Gears, bearings, shafts, molds

PCD Inserts

Ultra-hard polycrystalline diamond inserts for non-ferrous and abrasive materials.

• Grades: PD-10, PD-20, PD-30
• Ideal for aluminum, composites, CFRP, MMCs
• Used in automotive pistons, aerospace components

BTA Drills

High-precision deep hole drilling tools for hydraulic cylinders, shafts, and molds.

• Diameter range: 18–500 mm
• Depth-to-diameter ratio up to 100:1
• Carbide and PCD tip options

Crankshaft Milling Cutters

Heavy-duty milling tools for crankshaft journal machining with high stability.

• Modular design for flexibility
• CBN and carbide insert options
• High metal removal rates

PCD Face Milling Tools

High-speed face milling for aluminum and non-ferrous engine blocks and housings.

• Up to 8,000 RPM capability
• Balanced for vibration control
• Custom diameters and insert layouts

Heavy Duty™ CBN Inserts

Designed for interrupted cuts and high-load machining of hardened components.

• Reinforced edge geometry
• Optimized for roughing and semi-finishing
• Superior thermal shock resistance

Diamond Honing Reamers

Ultra-precision reaming for hydraulic and pneumatic cylinder bores.

• Tolerance: IT6–IT7
• Surface finish: Ra 0.2–0.4 µm
• PCD or electroplated diamond

Custom End Mills

Tailored end mills for complex 3D profiling and cavity machining.

• Solid carbide or CBN-tipped
• Variable helix and pitch
• Coatings: TiAlN, AlCrN, DLC

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Industry Solutions

Custom cutting tool solutions for the world’s most demanding manufacturing sectors.

Aerospace Industry

Halnn provides advanced cutting solutions for aerospace components made from high-temperature alloys, titanium, and hardened steels. Our CBN and PCD tools deliver precision, stability, and extended tool life in critical applications such as turbine blades, landing gear, and engine casings.

Machining of Inconel, Waspaloy, and Ti-6Al-4V
High-efficiency hard turning and milling
Custom tooling for complex geometries

Automotive Manufacturing

Trusted by global OEMs including Mahle, Brebo, and GKN, Halnn delivers superhard tools for engine, transmission, and braking systems. Our CBN tools for cylinder liners, PCD tools for pistons, and high-performance reamers ensure consistent quality and productivity.

CBN inserts for hard turning of gears and shafts
PCD drills for aluminum wheel hubs
Diamond burnishing for brake drums

Mining & Hydraulic Systems

Our tools are engineered for the extreme conditions of mining machinery and hydraulic component manufacturing. From crankshafts to valve housings, Halnn’s solid carbide reamers, CBN tools, and PCD honing reamers ensure long life and high precision.

Deep hole drilling for hydraulic cylinders
CBN crankshaft turning tools
Wear-resistant guide sleeve reamers

Metallurgy & Steel Industry

With a 60% global market share in high-speed steel roll machining, Halnn is a leader in cutting tools for rebar, wire rod, and sheet rolls. We provide tailored solutions based on material, hardness, and machining conditions.

CBN tools for high-hardness roll turning
Custom geometries for interrupted cuts
High thermal stability and edge retention

Frequently Asked Questions

What materials can Halnn CBN tools machine?

CBN tools are ideal for hardened steels (45–70 HRC), chilled cast iron, high-temperature alloys, and powder metals. They excel in continuous and interrupted cutting operations.

Do you offer custom tooling solutions?

Yes, Halnn specializes in custom cutting tools. We work closely with clients to design and manufacture tools tailored to specific applications, materials, and machine setups.

What industries do you serve?

We serve aerospace, automotive, mining, hydraulics, energy, metallurgy, and general machinery industries with high-performance cutting solutions.

How can I become a distributor?

We are actively seeking business partners and authorized distributors. Contact us at [email protected] to learn more.

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Advanced Superhard Cutting Tools for Demanding Industries