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Franklin Bronze Precision Components, LLC

655 Grant Street, 16323 Franklin, PA
Telephone +1 814 4376891
Fax +1 814 4373781

This company is co-exhibitor of
Wall Colmonoy Ltd.

Hall map

glasstec 2018 hall map (Hall 13): stand F45

Fairground map

glasstec 2018 fairground map: Hall 13

Our range of products

Product categories

  • 01  Glass production/Production Technology
  • 01.01  Raw material for glass production

Raw material for glass production

Our products

Product category: Raw material for glass production

Guide Rings

These castings form the lip or seal surface of the bottle and are made almost exclusively in nickel-boron alloys, 

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Product category: Raw material for glass production

Blow & Blow Plungers

These castings are used to plunge a hole into the semi-molten glass and complete a “blow” operation on the blank side of bottle making.  Most commonly these plungers are poured in nickel-boron alloys.

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Product category: Raw material for glass production


The baffle is used to fit into the blank side of bottle production to form the bottom contour and size of the bottle bottom.  Poured most commonly in nickel-boron alloys, and at times in “XX” bronze alloy.

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About us

Company details

Franklin Bronze Precision Components, LLC. is a world leader in the manufacturing of Nickel-Boron Alloy castings for the glass mould industry.

Established in 1878, Franklin Bronze is one of the oldest continually operating foundries in Pennsylvania.

Franklin Bronze’s Investment Casting production was founded in 1985 for the targeted supply of castings to the glass mould industry. Parts manufactured include guide rings, baffles, plungers, inserts, thimbles, blowheads, and top-plates.

Franklin Bronze provides a high-quality, consistent product due to technical expertise, in-house tooling & machining, and automated processing.

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