Precision Bushes

S.G. Prittie manufactures precision bushes to suit your application, our specialty is working with very tight tolerances. We can manufacture low volume as well as high volume batches. We offer two main methods to produce very accurate bores, honing and CNC boring. Our GN4 CNC lathe is specifically set up for extremely accurate boring with closed loop gauging and automated loading. Typical applications are scientific and medical instruments that need high precision parts.

Product options

Low to high volume
Finished turned or honed
Diameter and length tolerance to 0.002 mm
Various materials including tool steel and stainless steel
Ultrasonic cleaning
Design and supply packaging

Applicable standards

Customer drawing or specification

Why use S.G.Prittie

Our measuring ability sets us apart from typical toolmakers. We have an onsite metrology laboratory accredited to ISO 17025 and a management system to ISO 9001. A Zeiss Prismo CMM and Zeiss O Inspect are key tools in maintaining high quality over large production runs. Our culture is based on gauge manufacture and all of our staff are focused on quality. Our team has vast experience working to tight tolerances with gauges and components, we understand how to achieve and maintain high volume with accuracy.

  • Customisation

    Customisation is offered on most gauges. We can add a new feature to a standard gauge, manufacture a revised design based on a standard gauge, or design a new gauge to suit your application.

  • Support

    We offer design and technical support for all our gauges, as well as support for measurement and calibration inquiries. Contact us via phone or email.

  • Delivery

    We offer express or economy delivery and can send products to local, interstate and overseas locations. We’re also happy to use your own delivery supplier.

  • Manufacturing

    We are an Australian business located in Airport West Victoria. Quality is a priority and we have ISO 9001 and ISO 17025 management systems in place.

Capacity offered

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Machine Max. Diameter Max. Length
GN4 Lathe 60 mm 100 mm
Robot Loading
Sunnen Hone 50 mm 100 mm
CNC grinder 300 mm 1000 mm
Centreless grinder 30 mm 300 mm
Star CNC lathe 20 mm


Do you offer heat treatment as part of the service?

Yes, we can include heat treatment as part of the service, O2 tool steel and 420 stainless steel are very common.

If you need assistance selecting the correct gauge or have technical questions please contact us.

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