Honing & Polishing
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Once our plungers have been machined and to ensure the quality of the surface finish, they are vertically honed and polished to achieve a surface finish of less than 0.058Ra with a mirror-like finish. At this stage, the components then go through a final inspection process to check the internal profiles and ensure the surface finish meets the specifications.
Quality and reliability at our core
Modern workshops with CNC technology
The leader in precision glass engineering
Deliver excellence to our customers
High quality and accurate machining
ISO9001 since 2010
Browse our frequently asked questions to help you find the answers to any questions you may have. If you cannot find the answer to your question please feel free to get in touch with the team.
Our success is built on our solid business foundations, our expertise in precision engineering and our outstanding people.
The service we received from Hunprenco was second to none. I would definitely recommend them to any business looking for high quality plungers and coolers.
Alan Ridge
Technical Director
The whole team at Hunprenco are easy to work with. They understood our requirements straight away and delivered a solution that more than met our needs and expectations.
Ted Beasley
Managing Director
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