SigmaPro Engineering

Ultra-Precise Injection Molded Parts and Mechanical Assemblies

Core Services


Injection molding: very small, very precise parts

Unique injection molds and part processing

Coatings, joining, de-flashing and assembly

Logistics, supply chain, project management

Measuring stereo microscopes, SPC process control

Insert molding, hand loading, very precise

Creative design solutions in plastic and metal


Call us at 
817-337-2708


Secondary Operations, EMI, Microflash, Insert Molding

  • Shielding, thin film for EMI, RFI, and ESD solutions
  • Ultrasonic welding; Branson 2000 series
  • De-burr; unique for micro-flash on semi-crystalline materials
  • Ultrasonic cleaning, different solvents
  • Hot stamping and pad printing
  • Solvent welding
  • Insert molding around glass, metal, or plastic parts
  • Our ability is to maintain dimensional stability of 2-3 microns through stages of Post Processing