About Us


RB Custom Machining’s team of Automation, Engineering, Programming and Continuous Improvement experts can elevate your business above your competitors.

Our Lean Six-Sigma and Continuous Improvement roots enable our team to work seamlessly together, eliminating inefficiencies, resulting in high quality parts and automation equipment for our customers. Our team brings to the table 70+ years of combined programming, molding, automation, Continuous Improvement and machining experience in Bio-Medical, Aerospace, Automotive and General Machining. We utilize industry recognized tools, software and programs to easily integrate with your internal systems.

Our machining center houses state-of-the-art HAAS mills and lathes that are capable of handling contract manufacturing or one-off rapid prototyping.

milling tools rb sigma utilizes for your custom projects

Why Choose Us?
Our People

People Process Product

We hire and develop the most qualified and experienced people in order to meet the ever evolving needs of our customers.

Our Process

Our top-tier Quality Management System and ISO 9001:2016 certified facilities ensure that quality and repeatability are our focus.

Quality Product

Our top-notch people and diligent processes mean your projects and parts are delivered on-time and to spec, the first time.

Our Equipment
Haas VF3-SSYT Vertical Milling Center
  • 3 Axis Milling Center
  • 40” x 26” x 25” Machinable Volume
  • Haas “Super Speed” High Spindle Speed
Haas ST-20 Turning Center
  • Standard X,Z 2 Axis Turning Center
  • 8” Chuck
  • Programmable Hydraulic Tail Stock
Summit EVS-350 Knee Mill
  • 3 Axis Milling Machine
  • Fagor DRO & X-axis Power Feed
  • Table 10” x 50” x 3 1/8”

ISO 9001:2015 Certified

  • CMM, Surface Plates, Height Gages,
    Comparators, and Associated
    Hand Tools

All Common Metals and Plastics

  • D2, A2 Tool Steels
  • 4140, Hot Rolled, Cold Rolled
  • 6061 Al
  • Acetal (Delrin)