Quality Assurance
ISO 9001:2015 Certified 

Our customers demand high quality from our machining process, and we deliver that quality.  Sterling Machinery has instituted
ISO 9001 to ensure our customers the quality they demand.  

  • Two Quality Assurance Labs 
  • Quality Manual
  • Inspection of all raw materials
  • QA tracks critical materials make-up and processes
  • 2 coordinate measuring machines
  • 2,500 ring gages
  • 400 thread gages
  • 150 bore gages
  • Strict gage calibration
  • Setup carts outfitted with needed measuring devices
The Sterling Way
Quality Assurance
Grinding Division
Contact Us

Our highly trained and experienced machine operators are given all the measuring tools they need to assure all parts meet customer specifications.