Since 1983, Contract Machining & Manufacturing Co. has been building strong relationships with customers who need precision parts and reliable production support. Based in Lexington, Kentucky, we’ve grown from a small operation into a trusted partner for companies across automotive, heavy truck, HVAC, mining, and drilling. Our team takes pride in doing things right the first time and backing every project with a comprehensive quality control system.
Our Services
We offer a wide range of CNC machining services that cover production machining, facing and centering, sawing, grinding, welding, and fabrication. Customers rely on us for projects that demand high accuracy and dependable delivery.
- Production Machining – High-volume or small runs, we machine parts that meet exact specifications.
- Production Facing & Centering – Precision preparation for shafts, tubes, and components.
- Production Sawing – Fast and accurate sawing to handle a variety of material sizes.
- Blanchard Grinding – Flat, consistent finishes for large parts.
- Welding & Fabrication – Complete solutions for machined weldments.
- Large Diameter Turning – Capability to handle oversized components without compromising accuracy.
- Drill Steel Fabrication – Specialized machining for rock drilling tools and accessories.
Every service is carried out with the goal of delivering quality parts on time.
PRODUCTION MACHINING
CMM specializes in CNC milling, turning, and multi-axis machining as well as having a fabrication department. Our team of experienced engineers and machinists works closely with customers to ensure every part is completed on time and to our customer's satisfaction.
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ROCK DRILL TOOL MANUFACTURING
Our expertise extends beyond general machining. We are also one of the established rock drilling tools manufacturers in the United States. Mining and drilling operations demand parts that hold up in tough environments, and we have built a solid reputation for delivering exactly that.
ROCK DRILL TOOLS
ROCK DRILL TOOLS
Sub Adapter Subs
Sub Adapters are used to connect drill rods, core barrels, casings, bits, water swivels, hoisting plugs and recovery tools. CMM can make any size needed by the customer in Sub Adapters.
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ROCK DRILL TOOLS
Drill Pipe
Drill Pipe for blast hole drilling is a specialized tool used in mining, quarrying and construction industries for creating blast holes. These drill pipes are integral components of drilling systems and are designed to withstand the rigorous demands of blast hole drilling operations. CMM can make various sizes of drill steel or pipe.
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ROCK DRILL TOOLS
Rotary Deck Bushings
The main purpose of Rotary Deck Business are to provide horizontal stabilization to the drill string at the deck level of the blasthole drilling. CMM can make deck bushings to whatever size needed by the customer.
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ROCK DRILL TOOLS
Bit Rings
Bit Rings are a special ring developed that helps safely remove a tri cone roller bits, predominantly used in blast hole drilling. CMM can make any size needed by the customer in bit rings.
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ROCK DRILL TOOLS
Lifting Bells & Custom Tools
Lifting Bells and Hoisting Plugs provide safe ways to connect cables to drill steel. CMM can make a wide range of sizes to fit any drill steel size.
Learn MoreMATERIAL EXPERTISE
Different industries require different materials, and our shop is ready for the challenge. We machine ductile and gray iron, steel, forgings, castings, and aluminum.
INDUSTRIES WE SERVE
Our machining services support a wide range of sectors:
- Automotive – Drivetrain and drive shaft blanks.
- Heavy Truck – Chassis and engine components.
- HVAC – Precision parts for air handling systems.
- Mining & Drilling – Complete solutions for rock drill tooling.
Whether it’s a small part or a large assembly, our team has the equipment and experience to keep production moving.
About Us
Over 40 Years – Founded in 1983, CMM specializes in precision machining of gray iron, steel, and aluminum castings as well as steel forgings and steel bar stock.
Experienced Staff – Long tenured management and machine operators have enabled CMM to endure and adapt
Quality Control – (CMM) is an ISO 9001:2015 registered
COMMITMENT TO QUALITY
Quality isn’t an afterthought here, it’s built into every step of the process. We are ISO 9001:2015 certified, and our quality control lab uses NIST-traceable calibration on all measuring tools. From digital calipers to coordinate measuring machines, every part is inspected with the same attention to accuracy.
Put Our 40+ Years of Experience to Work for You Today
Contract Machining & Manufacturing Co. is ready to support your next project. Whether you need reliable CNC machining services, lightweight aluminum CNC machining, or a trusted partner among rock drilling tools manufacturers, we have the team, equipment, and experience to deliver. Contact us today to discuss your project and see how we can help keep your production moving.
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