BiTec is a custom precision machine shop. We use state-of-the-art computer numerically controlled (CNC) machines for major applications. We provide specialized products for the aerospace, entertainment, mechanical and medical industries.

Technical Skill and Teamwork

Competitive advantage cannot be found in the equipment a company possesses. Dedicated, motivated people are the basis for our capability.

Competence & Quality

In business since 1985, we have earned a reputation for competence and quality. We’ve supplied critical components and complex assemblies to top companies around the world. Our facility is equipped for precision machining high-temperature alloys, and from composite materials.


Sample Machining Inc. was founded in 1985 by Beverly and Kevin Bleicher with the objective of supplying world-class service in custom machined specimens or “samples” to high tech laboratories everywhere.

Today, Sample Machining Inc. dba BiTec is internally split into two distinct technology areas. (Bi tec) While operating out of 40,000 square feet an outstanding team of dedicated people, using state-of-the-art equipment, continue the legacy of world-class service that began decades ago.

A Customer-Driven Organization

Our focus sets us apart from the competition. Our attention is aimed at quality, process controls, employee training, and relationship sharing with our customers. 

Complex Machined Components

We supply complex machined components to leading companies industry-wide, and we leverage our industry expertise and manufacturing capabilities in our quest to find new opportunities through conventional subcontracting or formal partnership arrangements. 

Modern Composite Lay-Up Machining

Take advantage of our in-depth experience in machining composite components for quality finished products.

Precise CNC Machining

About our CNC Machining

BiTec Division of Sample Machining, Inc serves many fortune 500 companies by manufacturing precision-machined components to each customer’s specifications. Everything we do emphasizes quality and performance, making our services highly desirable among every major industry and branch of the military.

We use a combination of proven technologies and advanced concepts to stay at the forefront of cutting-edge machining. We have unique expertise in hi-temp alloys such as Inconel (625/718), Rene (80/120) among others. We also machine softer materials such as titanium and stainless steels.

Our Machining Services
  • CNC milling 
  • Thread grinding 
  • Honing 
  • CNC turning 
  • Crush form grinding 
  • Polishing 
  • CNC wire EDM 
  • Surface grinding 
  • Lapping 
  • CNC OD grinding 
  • Centerless grinding
  • Low-stress grinding 
Machining Materials
  • Nickel alloys 
  • Inconel
  • Cobalt alloys 
  • Composites 
  • Titanium alloys 
  • Waspaloy
  • Stainless
  • Rene

These materials are used on turbine engines and stationary engines for commercial and military applications. We also machine components from experimental materials, metal matrixes, castings, forgings, and hardware.

Tools in Our Machining Arsenal
  • (1) GANESH VFM 4024-B CNC MILL
  • (9) OKUMA Genos L400 CNC Lathes
  • (3) OKUMA Genos L250E CNC Lathes w/barfeed
  • (1) OKUMA Genos L250IIE CNC Lathe
  • (1) HAAS ST10 CNC Lathe
  • (2) YOUJI CNC Vertical Lathes
  • (1) FLOW MACH 2 Water Jet
  • (1) SODICK AM3 Sinker EDM
  • (2) ACCUTEX SP600l Wire EDM
  • (1) ACCUTEX GE43SA Wire EDM
  • (1) BARON AUTOCLAVE (5′ x 7′)
  • (1) REISHAUER Thread Grinder
  • (1) MITSUBISHI Surface Grinder CNC
  • (1) MITSUBISHI OD Grinder CNC
  • (1) SUPERTEC Centerless Grinder CNC
Industry Certifications
  • AS9100 REV D
  • ISO9001:2015 Eagle Registration
  • GE S400 A1 Approved
Memberships and Accreditations
  • ISO 9001: 2015  / AS9100: Rev. D
  • Dayton Regional Manufactures Association DRMA
  • Dayton Chamber of Commerce
  • Better Business Bureau

Mechanical Specimen Preparation

About our Preparation methods

Bitec Division of Sample Machining, Inc uses years of experience to conduct accurate specimen preparation of any material. We offer a complete line of standard specimen machining techniques, including inertial welding and crack starter notches.

Materials we prep include:

  • All metals
  • Ceramic matrix composites
  • Metal matrix composites
  • Other non-metallic materials
We machine specimens with controlled processes, including CNC grinding, to create low-stress finished gage surfaces. Traceability is maintained throughout the process – from receiving until the final inspection under our registered ISO9001:2015 quality system.
Advantages of Working With BiTec
  • Founded in 1985
  • Locally and family owned
  • Exceptional quality
  • Great pricing
  • On-time delivery
  • 100% quality satisfaction guarantee 
  • Estimates delivered in a timely manner
  • Return calls and emails within 24 hours
  • FREE estimates
  • State-of-the-art equipment
  • Big company quality, small company flexibility

Want to know more ABOUT BITEC?

Get In Touch


BiTec Division of Sample Machining, Inc
220 N Jersey Street
Dayton, OH 45403


M-F: 8 am – 4:30 pm
Sat-Sun: Closed
Services on Saturday
and Sunday are
by Appointment Only