PCD Tools

ACT produces Diamond cutting tools used in nonferrous and non metallic applications. We manufacture most any indexable PCD insert. We also have EDM capabilities for special form tools made from PCD.


CBN Tools

ACT offers a new generation of CBN tooling to better compete in the hard turning industry. They perform very well in Gray Cast Iron, Hardened Steel, Powdered Metal, and Tool and Die Steels.We offer single and double tipped inserts.

Brazed Tools

ACT is the leading manufacturer of American Standard single point brazed tools in a variety of grades to meet your cutting tool needs.

ACT Special Tools

Special Tools

ACT manufactures your modified brazed tools, inserts or special form tools and makes a large variety of special form tools. Our EDM machine is programmable to make any form in Carbide, PCD and CBN and hold tight tolerance.

ACT Reconditioning Services

Reconditioning Services

We also offer reconditioning of tools which would include re-tipping or re-grinding (to a smaller I.C.) of PCD and CBN  inserts where the main body of the insert is still in good shape but the tip in worn or fractured.


The quality of ACT tools surpasses industry standards. Our high quality expectations provide the customer with a tool that will outlast and outperform standard carbide tools as well as the accuracy and precision of our precision tool line is unmatched in the industry. The tools manufactured by ACT are closely examined by experienced staff under a 50/100X microscope for any inconsistencies unseen by the naked eye. Quality assurance staff is trained to see the unseen. Each person has experience in deciphering the visual with the technical requirements and basing approval on these details. When dealing with a product that is measured in nano and micrometers, even the tiniest flaw can cause issues in tooling and the final outcome of the grinding process.

Evaluation Process

Examining the surface of the tipped inserts for the integrity of the diamond particles and hexagonal boron nitrideEach tool is reviewed and undergoes scrutiny with a quality inspection process including but not limited to:

  • Checking the condition of the diamond strata/hexagonal boron nitride – under high magnification the geometric pattern and characteristics can be seen – does it fall within the narrow tolerance range of thickness and size of particles
  • Inspecting the bond created between the tool and the PCD/CBN materials
  • Approving the finishing process of the tool – looking for smooth edges of the tips and inserts on the tools.


Whether you need a selection from our standard tool line or a custom special tool, the engineers and tool designers have created tools that will meet the specific needs of your project.

From concept to final product

Start from scratch. Tell us what you would like your tool to achieve. We can render an industrial concept for review.  Based on the initial design we can proceed to narrow down the detail of how to build the tool and begin drawing the technical specs of the tools. Prototype tools can be made and tested for accuracy and precision.

The customer is involved in each step of the design process by providing valuable input to the design of the tool. Along the way engineers can apply their knowledge and experience gained while creating tools for various customers and industries. You can depend on them to keep you aware of options for adding value to your tool, provide cost savings analysis of changes made to tools resulting in the most efficient, high performing tool for your machining application.

Built for your equipment

Our capabilities include machine tool specific design that will meet your application needs. Consult with our design department on all your current or future requirements.

Production Processes

From start to finish ACT production processes include high tech equipment and advanced technology and procedures to create precision tools.

We begin the production process by purchasing high grade diamond and boron nitride materials such as PCD/CBN from vendors who are recognized in the industry for their quality products that meet the rigorous product standards for the tooling industry. Characteristics of their products include varying levels of hardness, particle size, thermal stability and purity of compounds.

Under high pressure and high temperature, PCD/CBN materials are commonly formed into a thin round shape and bonded onto a carbide backing. These wafers are then used in the manufacturing of precision tool inserts and tipped tools.

ACT Precision

The process of shaping the PCD/CBN materials for part application is completed by wire electrical discharge machining (EDM). Wire EDM machines use a thin wire to cut with electricity, with the wire advancing into the hard metal part as if it was a slow-motion saw blade. But the wire never touches the metal.

The thousands of electrical sparks emitted through the wire melt or vaporize the metal away. Deionized water flushes the remaining debris away and leaves a smooth cut surface. With a positioning accuracy of +/- .0004 inches, this type of cutting can easily machine complex and precision components into near net parts needing minimal – if any – finish grinding. The heightened accuracy and precision of this process influences the entire machining process using the finished ACT tool. A part that is manufactured for use in making a precision tool will define exactly how much material is taken off in the grind process of machining parts and can be a determining factor in reducing the amount of the grind and the stress it puts on the equipment. It is an integral part in the quality and total cost of a product.


Meeting Your Challenges

With over 50 years of experience in manufacturing standard carbide brazed tools, we have taken the knowledge we have gained working with equipment, technology and materials and have applied it to our production process. Production equipment has been tailored (modified) to enhance the intricacy of cutting tight corners, patterns and cuts. Wire cut EDM equipment is run by CNC (computer numerically controlled) instruments which can control the wire on a three dimensional axis to provide greater flexibility in meeting the challenges of machining precision tools. In the hands of a skilled operator, the equipment performs in perfect synchrony with the programmed data.

Any additional finishing of the segmented PCD/CBN component is then perfected using diamond grinding. This process produces a smooth, even edge and finish and provides a component of the exact size and cut needed for the precision tool.

ACT Reconditioning Services

Based on the specifications of the tool, the segment of PCD or CBN is accurately placed on the desired carrier, either an insert or a tool shank. The process of induction brazing joins the segment of PCD/CBN with the carrier. ACT selects C2 grade tungsten carbide steel for its wettability and hardness properties and high cobalt content. Under extreme heat – targeted on the placement of the segment – the binder of silver/copper melts and spreads into the geometric pattern of the diamond strata of PCD and the granular particles of CBN segments creating the joint between the tool carrier and the insert/tip. Once the silver/copper reaches its maximum fill, a chilling process quickly brings the temperature down to solidify the jointed materials.

The results are a precision tool that will cut accurately, is highly abrasion resistant, improves production processes and reduces overall production costs. Induction brazing, in the hands of a skilled operator, becomes an art of accuracy and precision. Highly qualified with intense training and years of experience, the artisan creates a tool of perfection.


Speed, Accuracy, Consistency

Induction brazing has the advantages of speed, accuracy and consistency. With faster heating cycles, targeted heat application and rapid cool down process; induction brazing provides better joint quality, and consistent repeatable results.

Selective heating

Induction brazing is targeted to very small areas with tight production tolerances. Only the segment of PCD and CBN to be jointed are heated. Heating these very small areas eliminates repeated exposure of intense heat to the fixtures and increases the life of the fixtures.

Better quality joints

When heated to an exact temperature and rapidly cooled, the filler is prevented from creeping into areas it shouldn’t. This creates clean concise joints.

Fast heating cycles

Induction heating cycles achieve exact heating and cooling temperatures quickly and allow for more parts to be processed and less heat consumption in production.

Consistent results

Skilled operators control the outcome of consistent quality results. Variables like time, temperature, fixturing and part positioning are controllable and repeatable.

Distributors and dealers can find a full inventory of precision PCD/CBN tools along with a full line of standard brazed carbide tools in our facility in Canton, Ohio, USA. Orders can be picked and shipped within 24 hours of ordering.