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Specialist manufacturers of Pinned Products

Tel: +44 (0)1575 570 203


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Spiked Lattices

  • Spiked Lattices with Aluminium pinned bars
  • Plain Lattices
  • Replacement pinned bars


STEWARTS offer and manufacture a wide range of Spiked Lattices for Hoppers and Conveyors which are a major improvement over other conventional spiked lattices.


Comprising of endless belts and pinned bars Stewarts spiked lattices offer efficient feeding of material in the opening process.


Made to Order Spiked Lattices


All our spike lattices are manufactured with high quality carbon steel pins which allow for longer production life and can be coated for permanent protection from corrosion.


Spiked Lattices can be made to any length with a maximum width of 1600mm.


A wide range of pinning specifications is available depending on your application and requirements which can be tailored to suit.


Manufactured using high tech processes, Stewart’s lattices offer the highest tolerances, alignment and accuracy available in the market today.


The preferred choice for Original Equipment Manufacturers!

Spiked Lattice image 1
Spiked Lattice image 2

Stewart spiked lattices work as transfer and opening devices in the bale opener consisting of circulating endless belts with pinned bars set at regular spacing.


The lattice needles penetrate the raw material and feed it into the hopper.


Opening occurs when the needles pass the counter rotating roller which allows small tufts to be stripped from the larger raw material lumps.


Opening intensity can be adjusted by changing the pinning specification.


Stewarts design department can offer a range of solutions to suit any spiked application.

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UK Division

Marywell Works

Marywell Brae

Kirriemuir, Angus

Scotland UK



Tel: +44 (0)1575 570 203

China Division

Juilong Industrail Park,

Juilong Town, Zhongmou,

Zhengzhou City,

Henan Province,

China, 451482


Tel: +86 371 6226 5807

A division of the original Wm R STEWART & SONS (HACKLEMAKERS) Ltd founded in 1874 in Scotland where we still develop and design the pinned products of tomorrow, today!

Precision Pinned Product Engineering

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