Greenleaf Corporation

A next-generation cobalt-enriched grade for superior performance in metalcutting applications.

Since 1945, Greenleaf has been a leading supplier of industrial cutting tools, specializing in high-performance tungsten carbide and ceramic grade inserts, and innovative toolholding systems. We are problem solvers for the most challenging manufacturing projects.

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Our Story

Celebrating 80 years of innovation, precision, and partnership in industrial tooling.

Founded in 1945 in Saegertown, Pennsylvania, Greenleaf Corporation has grown into a global leader in metalcutting technology. We specialize in manufacturing high-performance tungsten carbide and ceramic grade inserts, along with advanced toolholding systems.

Our guiding principle has always been simple: be a true partner in our customers’ success. We thrive by solving the most difficult challenges in manufacturing, delivering not just tools—but solutions.

Greenleaf is ISO 9001 certified and continues to expand its global presence with operations in the USA, Europe, and China.

Our Products

Engineered for performance, precision, and durability in the most demanding environments.

G-9610 Tool Holder

High-strength holder for ceramic and carbide inserts, ideal for heavy-duty turning applications.

Ceramic Compatible

G5125 Insert

Cobalt-enriched carbide grade for enhanced wear resistance and thermal stability.

High-Performance Grade

Ceramic Grade Insert

Advanced technical ceramics for high-speed machining of hardened materials.

Up to 1000°C Tolerance

4-Flute End Mill

Precision-engineered for smooth cutting in steel and stainless alloys.

Balanced for High RPM

Indexable Tool System

Modular design for quick insert changes and minimal downtime.

Quick-Change Ready

360° Insert

Full-radius geometry for continuous cutting and extended tool life.

Multi-Directional Cutting

Heavy-Duty Boring Bar

Reinforced design for deep-hole boring in cast iron and steel.

Vibration-Resistant

Thread Milling System

Precision threading for internal and external applications with tight tolerances.

±0.0002" Accuracy

High-Pressure Coolant Holder

Optimized for chip evacuation and thermal management in deep cutting.

Up to 1000 psi

Double-Sided Insert

Cost-effective design with 16 usable edges for maximum economy.

8 Edges per Side

Face Milling Cutter

Large-diameter milling for flat surface finishing and high MRR.

Modular Arbor System

Grooving Tool System

Narrow-width inserts for precise groove and parting operations.

Down to 0.005" Width

Tooling Solutions

Custom-engineered systems to meet your unique manufacturing challenges.

High-Speed Machining

Optimized inserts and holders for maximum spindle speeds and feed rates.

Hard Turning

Ceramic and CBN solutions for machining hardened steels and alloys.

Custom Tooling

Application-specific designs to improve efficiency and reduce costs.

Technical Ceramics

Greenleaf technical ceramics are engineered for extreme environments, offering superior wear resistance, thermal stability, and chemical inertness.

Utilizing high-quality materials and advanced production processes, our ceramic components are trusted in aerospace, energy, and high-speed machining industries.

Alumina, Zirconia, and Silicon Nitride formulations
Capable of operating above 1000°C
Custom shapes and sizes available
ISO 9001 certified manufacturing

80+

Years of Innovation

Global Facilities

16433

Saegertown, PA

ISO 9001

Certified Quality

Frequently Asked Questions

Where is Greenleaf Corporation headquartered?

Greenleaf Corporation is headquartered in Saegertown, Pennsylvania, USA at 18695 Greenleaf Drive, 16433.

What types of materials do you manufacture?

We specialize in tungsten carbide and technical ceramic inserts, along with precision toolholding systems for industrial metalcutting.

Do you offer custom tooling solutions?

Yes, Greenleaf provides custom-engineered tooling solutions tailored to specific manufacturing challenges and applications.

Is Greenleaf ISO certified?

Yes, Greenleaf Corporation is ISO 9001 certified, ensuring consistent quality and process excellence.

Contact Greenleaf Corporation

For inquiries, support, or to request our latest catalog, visit our official website.

Phone: 814-763-2915

Fax: 814-763-4423

Address: 18695 Greenleaf Drive, Saegertown, PA 16433, USA

Global Locations: The Netherlands & China

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