Welcome to Delta Secondary

Delta Secondary was founded more than 30 years ago in Bensenville Illinois, the epicenter over the fastener manufacturing industry.

Delta Secondary specializes in fastener related secondary machining operations and services, including supply of hard to find items and special prototypes with short lead times.

We can process your material or quote you a completed part utilizing our extensive sourcing network for the base material.

Our experienced employees have a high customer focus and provide fast quotes and product turnaround.

Operations include:

  • Cut off and chamfer
  • Thread cutting
  • Cross drilling
  • Drilling and tapping
  • Turning
  • Milling
  • Slotting
  • Grooving

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