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Business Details
Precision Manufacturing and Fabrication Services in Hiawatha, IA
Master Tool & Mfg.. Inc. is a precision manufacturing and fabrication company based in Hiawatha, Iowa, with over three decades of experience serving the automotive, medical, and appliance industries. Our team specializes in CNC machining, 3D printing, fabrication, and polishing, supported by ITAR/DDTC registration and ISO 9001:2015 and AS9100D certifications. We operate three facilities totaling 33,400 square feet, combining advanced technology with skilled craftsmanship to deliver high-quality, custom-engineered solutions. Our commitment to innovation and customer-centric service ensures reliability and precision for every project. With a focus on continuous improvement, we maintain state-of-the-art equipment and adhere to rigorous quality control standards.

Our leadership team, including co-owners Robert and Clint Bitterman, brings decades of industry expertise to drive operational excellence. We prioritize transparency, ethical practices, and long-term partnerships with clients across diverse sectors. Our flexible capabilities enable us to tackle complex challenges, from prototyping to full-scale production. By integrating cutting-edge technology with hands-on expertise, we consistently exceed client expectations for accuracy and efficiency. This dedication to excellence has solidified our reputation as a trusted partner in precision manufacturing.
Services
CNC Machining 3D Printing Fabrication Polishing CAD Design EDM Welding Custom Assemblies
Highlights and features
  • We offer ISO 9001:2015 and AS9100D certified manufacturing processes.
  • Our team has decades of experience in precision machining and fabrication.
  • We operate three state-of-the-art facilities totaling 33,400 square feet.
  • Our services include advanced 3D printing and CNC machining capabilities.
  • We serve critical industries including automotive, medical, and appliance sectors.
Associations and certifications
  • ITAR/DDTC
  • ISO 9001:2015
  • AS9100D
Services
CNC Machining
Our CNC machining services deliver high-precision components using advanced equipment for complex geometries and tight tolerances. We support prototyping and production runs across industries. Our team ensures consistent quality through rigorous inspection processes.
3D Printing
We provide 3D printing solutions for rapid prototyping and custom parts using cutting-edge technology. This service enables cost-effective, scalable production for intricate designs. Our expertise ensures material compatibility and dimensional accuracy.
Fabrication
Our fabrication shop offers cutting, welding, and forming services for custom metal components. We utilize CNC lasers, press brakes, and skilled technicians to meet exact specifications. Projects range from small assemblies to large-scale industrial equipment.
Polishing
Precision polishing services enhance surface quality using automated and manual techniques. We achieve mirror finishes and consistent textures for functional and aesthetic applications. Our process ensures compliance with industry standards for smoothness and durability.
CAD Design
We offer CAD design support for product development and tooling optimization. Our engineers collaborate with clients to create detailed digital models and technical drawings. This service streamlines manufacturing and ensures design intent is accurately realized.
People
Robert Bitterman
President / Co-Owner
Robert Bitterman co-founded Master Tool & Mfg.. Inc. and oversees strategic operations. With over 30 years in manufacturing, he ensures quality and innovation across all projects.
Clint Bitterman
Vice President / Co-Owner
Clint Bitterman co-owns the company and manages fabrication and polishing operations. His expertise in precision manufacturing drives efficiency and client satisfaction for complex projects.
Keith Musser
Fabrication Shop Supervisor
Keith Musser leads the fabrication team, ensuring adherence to quality standards and timely project completion. He brings 20+ years of hands-on experience in metalworking and production management.
Andy Higgins
Tool Engineer
Andy Higgins specializes in tool design and engineering solutions. He develops custom fixtures and dies to meet client-specific requirements, combining technical knowledge with practical problem-solving skills.
Dave Scheiding
Project Manager
Dave Scheiding coordinates project timelines and client communication. His organizational skills ensure seamless execution from design to delivery for diverse manufacturing needs.
Questions
What industries does Master Tool & Mfg... Inc. serve?
We serve automotive, medical, and appliance industries with precision manufacturing and fabrication solutions.
Are your services ITAR-compliant?
Yes, we are ITAR/DDTC registered to meet defense and aerospace industry requirements.
What certifications do you hold?
We maintain ISO 9001:2015 and AS9100D certifications for quality management systems.
What are your business hours?
We operate Monday-Friday 6:00 AM-4:30 PM and Saturdays 6:00 AM-12:00 PM.
Do you offer 3D printing services?
Yes, we provide 3D printing for prototyping and custom parts using advanced additive manufacturing technology.