Precision Contract Manufacturing
for Complex Components
for Complex Components
Machining, grinding, and DFM engineering expertise for complex precision components across MedTech, aerospace, space exploration, and advanced industries.
Precision Contract Manufacturing
for Complex Components
for Complex Components
Machining, grinding, and DFM engineering expertise for complex precision components across MedTech, aerospace, space exploration, and advanced industries.
Trusted by Leading OEMs & Critical Industries









Complex Manufacturing Challenges, Solved Daily
If you’re struggling to find a supplier for a difficult part, you’re not alone, and you’re in the right place. KMM Group specializes in precision contract manufacturing by integrating CNC machining, precision grinding, and design for manufacturability (DFM) engineering. This cross-functional approach helps identify manufacturing risks early, improve part design, and deliver consistent, high-quality components from prototype through full-scale production.
Certified for Regulated & Mission-Critical Manufacturing
KMM Group maintains industry-recognized certifications to support precision manufacturing for regulated industries including medical, aerospace, and defense.
ISO 13485:2016 | FDA Registered | Class 8 Cleanroom | ISO 9001:2015 | AS9100D | ITAR
Integrated Capabilities
Machining, grinding, and value-added services that simplify your supply chain, improve quality, and deliver precision components from prototype through production.
ULTRA-PRECISION CNC MACHINING
Achieve tight tolerances and repeatable quality for complex components. Our multi-axis CNC machining delivers sub-micron precision, faster turnaround, and seamless integration with grinding and assembly, reducing risk from prototype through full production.
- Vertical machining (milling)
- Wire EDM
- Ram EDM
- Swiss screw machining
- Micro-machining
- Milling/turning
- Toolmaking
ADVANCED PRECISION GRINDING
Solve your toughest tolerance and surface finish challenges. From centerless to OD/ID and hybrid grinding, we deliver superior roundness, concentricity, and consistency, even on the most demanding geometries and materials.
- CNC Grinding
- Ultra-precision CNC centerless
- Hybrid CNC centerless
- Medical Guidewire grinding
- Multi-axis CNC OD/ID
- Non-round
- Surface
COREWIRE & GUIDEWIRE GRINDING
Engineered for MedTech performance and reliability. Our specialized guidewire and corewire grinding achieves precise tapers, smooth transitions, and superior surface finishes critical for device functionality and patient safety.
- Diameter tolerances to +/- .0001”
- Ground length tolerances to +/- .005”
- Wire lengths to 15 ft+ long. Grind lengths up to 48” (1200mm)
- Steps, taper, ball ends, back tapers, tight corner radii, paddles flats etc.
RESEARCH & DEVELOPMENT (R&D)
Accelerate innovation with a manufacturing partner who understands complexity. We support early-stage development, prototyping, and process validation, helping you refine designs for manufacturability before production begins.
- 5-Axis Milling
- 10-Axis Swiss
- Surface Grinding
- Hybrid Centerless
- Guidewire Grinding
- EDM
- ISO Class 8 Cleanroom
SUPPLIER & PROCESS MANAGEMENT
Simplify your supply chain without sacrificing control. We manage qualified partners and secondary processes, ensuring quality, traceability, and on-time delivery so you can focus on design, performance, and growth. We manage the following third-party processes with critical outside vendors:
- Plating & Coatings
- Heat Treatments
- Type I, II, III Anodize
- Chem Film
- Laser Welding and Cutting
- Additive Machining (3D Printing)
VALUE-ADDED SERVICES
Simplify your supply chain without sacrificing control. We manage qualified partners and secondary processes, ensuring quality, traceability, and on-time delivery so you can focus on design, performance, and growth. We manage the following third-party processes with critical outside vendors:
- Custom Tooling & Fixtures
- Assembly & Welding
- Nitric Passivation
- Citric Passivation
- Gear Hobbing
- Chemical Processing
Precision Manufacturing
for Essential Industries
for Essential Industries
We partner with OEMs in industries that require tight tolerances, strict compliance, and reliable manufacturing performance.
Don’t See
Your Industry?
If your application requires tight tolerances, complex geometry, or advanced manufacturing processes, we’d like to hear about it.
The Sweet Spot in
Contract Manufacturing
Contract Manufacturing
KMM Group operates as a Boutique Contract Manufacturer (BCMO™). This model combines the technical depth of a large manufacturer with the flexibility and responsiveness of a smaller partner. Our integrated approach enables engineering, machining, and grinding teams to collaborate from the start, helping identify risks early and keep your project aligned from concept through production.
Designed to scale without losing the personal touch that builds trust
Enables cross-functional collaboration under one roof
Backed by mature systems that support compliance, traceability, and growth
Proven Problem Solving in Precision Manufacturing
When a Critical Supplier Couldn’t Deliver
A MedTech innovator faced growing demand and escalating guidewire defects. See how KMM restored production stability and helped them scale with confidence.
Complex Geometry Meets Real-World Physics
Five eccentric features. Ultra-tight tolerances. Minimal margin for error. Learn how KMM controlled the process from start to finish.
One Design Change Made All the Difference
By collaborating early and applying Design for Manufacturing principles, KMM helped transform a difficult design into a successful production program.
Start Your Precision Manufacturing Project
REQUEST A QUOTE
Evaluate your part, identify manufacturing risks, and determine the most efficient path to production.
EXPLORE OUR CAPABILITIES
Get a closer look at how grinding, machining, and engineering come together at KMM.
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FAQs About Precision Contract Manufacturing
What is precision contract manufacturing?
Precision contract manufacturing is the process of outsourcing the production of complex, tight-tolerance components to a specialized manufacturer with advanced machining, grinding, and engineering capabilities.
What industries require tight-tolerance manufacturing?
Industries such as MedTech, aerospace, defense, and high-tech manufacturing require precision components with strict tolerances and regulatory compliance.
What is DFM in manufacturing?
Design for manufacturability (DFM) is the process of optimizing part design to reduce manufacturing risk, improve efficiency, and ensure consistent production quality.