Best Bore Announced

A Superior Precision Bore Tubing Product in Best Bore

Best Bore is a Smoother and More Precise Glass Tube for Improved Feel, Higher Accuracy, and Longer Life.

Benefits applications ranging from syringe glass to fluid flow and volume measurement that depend on tubing made to tight tolerances for consistent, dependable performance. Diameter, roundness and internal surface finish determine how smoothly a syringe piston fits, slides, and feels in the bore.

Improved internal finish

Specialists in the process of shrinking glass and quartz tubing, Precision Electronic Glass (PEG) has manufactured precision bore tubing since 1962. Now, after painstaking R&D, they are pleased to announce a significant product advancement. Available under the name, “Best Bore,” this features the smoothest internal bore yet achieved. Projected usage is in equipment for instrumentation, the lifesciences, and similarly demanding applications.

Improved control

Precision bore tubing may look smooth to the eye but viewed through a microscope the internal surface shows tiny undulations. Pushing down on the plunger of a syringe moves a piston across that surface. Hence, any humps and bumps in the tube translate to friction and skips. Therefore, a smoother and more dimensionally stable surface results in a low friction syringe that feels more comfortable and is easier to use.

Longer life

The hardest known materials include glass and quartz. However, raised surface imperfections wear away softer materials, such as plungers, moving across the surface, leading to leaks and premature failure in applications where a good seal is essential. The optimal smoothness of PEG’s precision bore tubing reduces wear and extends product life.

Increased accuracy

Internal diameter is critical for precision bore glass tubing for volume or flow measurement. For one thing, the entire length of the tube must be uniform. For example, any deviations cause inaccuracies, which are magnified in smaller diameter tubes. PEG precision glass tubing is made to exceptionally tight tolerances, which, along with the smooth finish, delivers repeatable measurements.

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