Hunprenco Precision Engineering Ltd.

Bridlington Road, Hunmanby, YO14 0PH Filey
United Kingdom

Telephone +44 1723 890105
Fax +44 1723 890018

Trade fair hall

  • Hall 13 / B22
 Interactive Plan

Hall map

glasstec 2016 hall map (Hall 13): stand B22

Fairground map

glasstec 2016 fairground map: Hall 13

Our range of products

Product categories

  • 01  Glass production/Production Technology
  • 01.06  Forming for hollow glass
  • 01.06.13  Moulds for glass production

Our products

Product category: Moulds for glass production

Cooling Tubes

In 1999 Hunprenco started supplying cooling tubes to customers to the same standard and quality as the plungers. This developed into the cooler division.
Cooling tubes for both NNPB and Standard Press/Blow production are produced on CNC machines. Tube coolers are swaged to meet customer requirements for profile and accuracy, using swaging dies manufactured in-house to cover a wide range of tube sizes in both mild steel and stainless steel.The swaging technique ensures a uniform wall thickness and maintains concentricity to give excellent base fit and assembly, also allowing the internal tip profile to smoothly follow the external tip profile to improve cooling air flow within the plunger.

In addition, an anti-rotation mechanism has been implemented to eliminate movement and enhance cooler performance.

All cooling tubes undergo inline inspection, as well as final inspection, which includes a water and airflow test for vent hole clearance. A certificate of conformity is issued with all goods dispatched.

Tube Material and Sizes

A vast range of standard die sets are in stock and these are manufactured in-house with this facility able to produce additional to customer requirements.

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Product category: Moulds for glass production

Precision Engineering

Hunprenco also manufactures a wide range of machine parts including adaptors, split collars, vertiflow plates, mould arm inserts, pistons and sleeves to customer requirements.Our reputation in the Precision Engineering sub-contract market is built upon our customer service, both in terms of the quality and consistency of our machining, and meeting tight deadlines with rapid turnaround of components. All this is supported by our audited quality system, certified to ISO 9001.

Our dedicated inspection department check all machined components to ensure they meet customer requirements.
With a comprehensive range of four axis CNC vertical/horizontal milling, CNC turning centres, drilling, grinding, honing and conventional machining, we are able to accommodate the majority of customer requirements.

Modern workshops – CNC technology
Dedicated and experienced team
Batch work up to 10,000 units
Prototype work
Competitive prices
CAD/CAM programming
Diverse range of industry sectors, components and materials
Rapid turn around – reactive service
High quality, accurate machining

When coupled with a small and reputable group of suppliers for solid or tubular materials, laser cutting and profiling, heat treatment, gear cutting or plating etc, our aim is to provide a complete service to your business.

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Product category: Moulds for glass production


Hunprenco supply Plungers to the glass container industry for NNPB and Standard Press/Blow process throughout the world, including Russia, Eastern Europe, America, Europe, China, Japan, New Zealand & Australia.Hunprenco has worked closely with glass container companies to develop materials and production methods to assist the glass industry in its efforts for increased efficiency, reduction in downtime and improved environmentally-friendly quality containers, as well as perfecting a combination of steel-based plungers coated with quality tungsten carbide and nickel based powders, giving excellent hot hardness figures, lubricity and working life.

Plungers are manufactured with various coatings depending on customer preference, applied by state of the art technology ensuring a uniform dense coating.

Three Nickel coatings giving a hardness range of 40HRc to 60HRc
Three Tungsten coatings giving a hardness range of 56HRc to 62HRc

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About us

Company details

Where it all started...

Hunprenco was established in 1969 by Mr Eddie Neesom, who is Chairman and Managing Director. He started a small engineering workshop in a disused stable in the North Yorkshire village of Hunmanby on the east coast of England, as well as continuing his work as a Technical Steel Sales Representative.


In May 2009 the company was accredited with ISO 9001. This accreditation confirmed the company’s methodical procedures and high standards in supplying quality, service and reliability to all their customers.

Each component is checked at every stage, both dimensionally and visually, for any defects by the quality department. A final inspection is carried out using the latest computer-controlled coordinate measuring system, fibre optics to visually check internal profiles, and also check on surface finish.

Hunprenco’s policy is to give our customers a first class service at all times. Our dedicated, professional workforce and administration team work closely together to ensure total customer satisfaction. We also offer full sales and technical support and backup for complete peace of mind.

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Company data

Target groups

Manufacturing, Processing and Finishing