Precision Bore Glass Tubing

PEG specializes in the manufacture of high-quality precision bore glass and quartz tubing used in a variety of applications. In addition, we have more than 140 spindles available to run simultaneously,

As a result, PEG has the ability to accommodate prototype to production quantities in a vast range of shapes and sizes.

Typical Components: Syringe Glass- Flow Meters- Precision Bore Tubing- Capillary Tubing- Laser Components & More

Our ultra accurate precision bore (PB) shrinking process results in glass and quartz tubing that meets your most stringent inner diameter (ID) requirements. With inner diameters ranging from 0.011” to 10”, meeting tolerances of +/- .02% and the ability to create a variety shapes, PEG is well positioned to manufacture to your unique needs.


For customers requiring low friction, ultra-smooth inner diameters, PEG offers “Best Bore” Precision Bore Tubing. Optimal for applications ranging from syringe glass to fluid flow and volume measurement, Best Bore tubing delivers increased accuracy and repeatability vital to many of the industries PEG serves.

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Precision Capillary Bore Blanks
Precision Bore Tubing
Assortment of Custom Precision Glass Bores

Capabilities Include:

  • Burets
  • Capillary Glass Tubing
  • Centrifuge Tubes
  • Chromatography Columns
  • Fiberoptic Reflectors
  • Flow Meters
  • Glass Syringes
  • High Vacuum Valves
  • Glass Tube Laminating
  • Laser Components
  • Multibore Tubing
  • Noncircular Tubing
  • Quartz Precision Bore 
  • Precision Bore Tubing
  • Drawn Precision Tubing
  • Precision Redraw Blanks
  • X-ray Tubes

Glass Types:

  • Quartz
  • Pyrex Glass
  • Soda Lime Glass
  • 8330 Borosilicate Glass
  • 8245
  • 8447
  • 8448
  • 8250
  • 8487
  • 8449
  • HLQ 200 
  • HLQ 210 
  • HLQ 100 
  • HLQ 270 
  • Cerium Doped Quartz
  • HLQ 300 Quartz
  • Simax